diff options
49 files changed, 1209 insertions, 1304 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index e2e326a96788..47107eebc685 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -30,7 +30,6 @@ config X86_64 select MODULES_USE_ELF_RELA select NEED_DMA_MAP_STATE select SWIOTLB - select ARCH_HAS_SYSCALL_WRAPPER config FORCE_DYNAMIC_FTRACE def_bool y @@ -79,6 +78,7 @@ config X86 select ARCH_HAS_STRICT_KERNEL_RWX select ARCH_HAS_STRICT_MODULE_RWX select ARCH_HAS_SYNC_CORE_BEFORE_USERMODE + select ARCH_HAS_SYSCALL_WRAPPER select ARCH_HAS_UBSAN_SANITIZE_ALL select ARCH_HAVE_NMI_SAFE_CMPXCHG select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI diff --git a/arch/x86/entry/Makefile b/arch/x86/entry/Makefile index 06fc70cf5433..85eb381259c2 100644 --- a/arch/x86/entry/Makefile +++ b/arch/x86/entry/Makefile @@ -14,4 +14,5 @@ obj-y += vdso/ obj-y += vsyscall/ obj-$(CONFIG_IA32_EMULATION) += entry_64_compat.o syscall_32.o +obj-$(CONFIG_X86_X32_ABI) += syscall_x32.o diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c index 9747876980b5..6062e8ebc315 100644 --- a/arch/x86/entry/common.c +++ b/arch/x86/entry/common.c @@ -333,20 +333,7 @@ static __always_inline void do_syscall_32_irqs_on(struct pt_regs *regs) if (likely(nr < IA32_NR_syscalls)) { nr = array_index_nospec(nr, IA32_NR_syscalls); -#ifdef CONFIG_IA32_EMULATION regs->ax = ia32_sys_call_table[nr](regs); -#else - /* - * It's possible that a 32-bit syscall implementation - * takes a 64-bit parameter but nonetheless assumes that - * the high bits are zero. Make sure we zero-extend all - * of the args. - */ - regs->ax = ia32_sys_call_table[nr]( - (unsigned int)regs->bx, (unsigned int)regs->cx, - (unsigned int)regs->dx, (unsigned int)regs->si, - (unsigned int)regs->di, (unsigned int)regs->bp); -#endif /* CONFIG_IA32_EMULATION */ } syscall_return_slowpath(regs); @@ -438,3 +425,8 @@ __visible long do_fast_syscall_32(struct pt_regs *regs) #endif } #endif + +SYSCALL_DEFINE0(ni_syscall) +{ + return -ENOSYS; +} diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S index 7e0560442538..b67bae7091d7 100644 --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -1088,10 +1088,10 @@ SYM_FUNC_START(entry_INT80_32) STACKLEAK_ERASE restore_all: - TRACE_IRQS_IRET + TRACE_IRQS_ON SWITCH_TO_ENTRY_STACK CHECK_AND_APPLY_ESPFIX -.Lrestore_nocheck: + /* Switch back to user CR3 */ SWITCH_TO_USER_CR3 scratch_reg=%eax @@ -1290,7 +1290,7 @@ SYM_CODE_END(simd_coprocessor_error) SYM_CODE_START(device_not_available) ASM_CLAC - pushl $-1 # mark this as an int + pushl $0 pushl $do_device_not_available jmp common_exception SYM_CODE_END(device_not_available) @@ -1365,7 +1365,7 @@ SYM_CODE_END(divide_error) SYM_CODE_START(machine_check) ASM_CLAC pushl $0 - pushl machine_check_vector + pushl $do_mce jmp common_exception SYM_CODE_END(machine_check) #endif @@ -1531,7 +1531,7 @@ SYM_CODE_START(debug) * Entry from sysenter is now handled in common_exception */ ASM_CLAC - pushl $-1 # mark this as an int + pushl $0 pushl $do_debug jmp common_exception SYM_CODE_END(debug) @@ -1682,18 +1682,13 @@ SYM_CODE_END(nmi) SYM_CODE_START(int3) ASM_CLAC - pushl $-1 # mark this as an int - - SAVE_ALL switch_stacks=1 - ENCODE_FRAME_POINTER - TRACE_IRQS_OFF - xorl %edx, %edx # zero error code - movl %esp, %eax # pt_regs pointer - call do_int3 - jmp ret_from_exception + pushl $0 + pushl $do_int3 + jmp common_exception SYM_CODE_END(int3) SYM_CODE_START(general_protection) + ASM_CLAC pushl $do_general_protection jmp common_exception SYM_CODE_END(general_protection) diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index f2bb91e87877..0e9504fabe52 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -174,7 +174,7 @@ SYM_INNER_LABEL(entry_SYSCALL_64_after_hwframe, SYM_L_GLOBAL) movq %rsp, %rsi call do_syscall_64 /* returns with IRQs disabled */ - TRACE_IRQS_IRETQ /* we're about to change IF */ + TRACE_IRQS_ON /* return enables interrupts */ /* * Try to use SYSRET instead of IRET if we're returning to @@ -619,7 +619,7 @@ ret_from_intr: .Lretint_user: mov %rsp,%rdi call prepare_exit_to_usermode - TRACE_IRQS_IRETQ + TRACE_IRQS_ON SYM_INNER_LABEL(swapgs_restore_regs_and_return_to_usermode, SYM_L_GLOBAL) #ifdef CONFIG_DEBUG_ENTRY diff --git a/arch/x86/entry/syscall_32.c b/arch/x86/entry/syscall_32.c index 7d17b3addbbb..86eb0d89d46f 100644 --- a/arch/x86/entry/syscall_32.c +++ b/arch/x86/entry/syscall_32.c @@ -4,29 +4,22 @@ #include <linux/linkage.h> #include <linux/sys.h> #include <linux/cache.h> -#include <asm/asm-offsets.h> +#include <linux/syscalls.h> +#include <asm/unistd.h> #include <asm/syscall.h> -#ifdef CONFIG_IA32_EMULATION -/* On X86_64, we use struct pt_regs * to pass parameters to syscalls */ -#define __SYSCALL_I386(nr, sym, qual) extern asmlinkage long sym(const struct pt_regs *); -#define __sys_ni_syscall __ia32_sys_ni_syscall -#else /* CONFIG_IA32_EMULATION */ -#define __SYSCALL_I386(nr, sym, qual) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long); -extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long); -#define __sys_ni_syscall sys_ni_syscall -#endif /* CONFIG_IA32_EMULATION */ +#define __SYSCALL_I386(nr, sym) extern long __ia32_##sym(const struct pt_regs *); #include <asm/syscalls_32.h> #undef __SYSCALL_I386 -#define __SYSCALL_I386(nr, sym, qual) [nr] = sym, +#define __SYSCALL_I386(nr, sym) [nr] = __ia32_##sym, -__visible const sys_call_ptr_t ia32_sys_call_table[__NR_syscall_compat_max+1] = { +__visible const sys_call_ptr_t ia32_sys_call_table[__NR_ia32_syscall_max+1] = { /* * Smells like a compiler bug -- it doesn't work * when the & below is removed. */ - [0 ... __NR_syscall_compat_max] = &__sys_ni_syscall, + [0 ... __NR_ia32_syscall_max] = &__ia32_sys_ni_syscall, #include <asm/syscalls_32.h> }; diff --git a/arch/x86/entry/syscall_64.c b/arch/x86/entry/syscall_64.c index adf619a856e8..1594ec72bcbb 100644 --- a/arch/x86/entry/syscall_64.c +++ b/arch/x86/entry/syscall_64.c @@ -5,24 +5,17 @@ #include <linux/sys.h> #include <linux/cache.h> #include <linux/syscalls.h> -#include <asm/asm-offsets.h> +#include <asm/unistd.h> #include <asm/syscall.h> -extern asmlinkage long sys_ni_syscall(void); +#define __SYSCALL_X32(nr, sym) +#define __SYSCALL_COMMON(nr, sym) __SYSCALL_64(nr, sym) -SYSCALL_DEFINE0(ni_syscall) -{ - return sys_ni_syscall(); -} - -#define __SYSCALL_64(nr, sym, qual) extern asmlinkage long sym(const struct pt_regs *); -#define __SYSCALL_X32(nr, sym, qual) __SYSCALL_64(nr, sym, qual) +#define __SYSCALL_64(nr, sym) extern long __x64_##sym(const struct pt_regs *); #include <asm/syscalls_64.h> #undef __SYSCALL_64 -#undef __SYSCALL_X32 -#define __SYSCALL_64(nr, sym, qual) [nr] = sym, -#define __SYSCALL_X32(nr, sym, qual) +#define __SYSCALL_64(nr, sym) [nr] = __x64_##sym, asmlinkage const sys_call_ptr_t sys_call_table[__NR_syscall_max+1] = { /* @@ -32,25 +25,3 @@ asmlinkage const sys_call_ptr_t sys_call_table[__NR_syscall_max+1] = { [0 ... __NR_syscall_max] = &__x64_sys_ni_syscall, #include <asm/syscalls_64.h> }; - -#undef __SYSCALL_64 -#undef __SYSCALL_X32 - -#ifdef CONFIG_X86_X32_ABI - -#define __SYSCALL_64(nr, sym, qual) -#define __SYSCALL_X32(nr, sym, qual) [nr] = sym, - -asmlinkage const sys_call_ptr_t x32_sys_call_table[__NR_syscall_x32_max+1] = { - /* - * Smells like a compiler bug -- it doesn't work - * when the & below is removed. - */ - [0 ... __NR_syscall_x32_max] = &__x64_sys_ni_syscall, -#include <asm/syscalls_64.h> -}; - -#undef __SYSCALL_64 -#undef __SYSCALL_X32 - -#endif diff --git a/arch/x86/entry/syscall_x32.c b/arch/x86/entry/syscall_x32.c new file mode 100644 index 000000000000..3d8d70d3896c --- /dev/null +++ b/arch/x86/entry/syscall_x32.c @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: GPL-2.0 +/* System call table for x32 ABI. */ + +#include <linux/linkage.h> +#include <linux/sys.h> +#include <linux/cache.h> +#include <linux/syscalls.h> +#include <asm/unistd.h> +#include <asm/syscall.h> + +#define __SYSCALL_64(nr, sym) + +#define __SYSCALL_X32(nr, sym) extern long __x32_##sym(const struct pt_regs *); +#define __SYSCALL_COMMON(nr, sym) extern long __x64_##sym(const struct pt_regs *); +#include <asm/syscalls_64.h> +#undef __SYSCALL_X32 +#undef __SYSCALL_COMMON + +#define __SYSCALL_X32(nr, sym) [nr] = __x32_##sym, +#define __SYSCALL_COMMON(nr, sym) [nr] = __x64_##sym, + +asmlinkage const sys_call_ptr_t x32_sys_call_table[__NR_x32_syscall_max+1] = { + /* + * Smells like a compiler bug -- it doesn't work + * when the & below is removed. + */ + [0 ... __NR_x32_syscall_max] = &__x64_sys_ni_syscall, +#include <asm/syscalls_64.h> +}; diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl index c17cb77eb150..54581ac671b4 100644 --- a/arch/x86/entry/syscalls/syscall_32.tbl +++ b/arch/x86/entry/syscalls/syscall_32.tbl @@ -11,434 +11,434 @@ # # The abi is always "i386" for this file. # -0 i386 restart_syscall sys_restart_syscall __ia32_sys_restart_syscall -1 i386 exit sys_exit __ia32_sys_exit -2 i386 fork sys_fork __ia32_sys_fork -3 i386 read sys_read __ia32_sys_read -4 i386 write sys_write __ia32_sys_write -5 i386 open sys_open __ia32_compat_sys_open -6 i386 close sys_close __ia32_sys_close -7 i386 waitpid sys_waitpid __ia32_sys_waitpid -8 i386 creat sys_creat __ia32_sys_creat -9 i386 link sys_link __ia32_sys_link -10 i386 unlink sys_unlink __ia32_sys_unlink -11 i386 execve sys_execve __ia32_compat_sys_execve -12 i386 chdir sys_chdir __ia32_sys_chdir -13 i386 time sys_time32 __ia32_sys_time32 -14 i386 mknod sys_mknod __ia32_sys_mknod -15 i386 chmod sys_chmod __ia32_sys_chmod -16 i386 lchown sys_lchown16 __ia32_sys_lchown16 +0 i386 restart_syscall sys_restart_syscall +1 i386 exit sys_exit +2 i386 fork sys_fork +3 i386 read sys_read +4 i386 write sys_write +5 i386 open sys_open compat_sys_open +6 i386 close sys_close +7 i386 waitpid sys_waitpid +8 i386 creat sys_creat +9 i386 link sys_link +10 i386 unlink sys_unlink +11 i386 execve sys_execve compat_sys_execve +12 i386 chdir sys_chdir +13 i386 time sys_time32 +14 i386 mknod sys_mknod +15 i386 chmod sys_chmod +16 i386 lchown sys_lchown16 17 i386 break -18 i386 oldstat sys_stat __ia32_sys_stat -19 i386 lseek sys_lseek __ia32_compat_sys_lseek -20 i386 getpid sys_getpid __ia32_sys_getpid -21 i386 mount sys_mount __ia32_compat_sys_mount -22 i386 umount sys_oldumount __ia32_sys_oldumount -23 i386 setuid sys_setuid16 __ia32_sys_setuid16 -24 i386 getuid sys_getuid16 __ia32_sys_getuid16 -25 i386 stime sys_stime32 __ia32_sys_stime32 -26 i386 ptrace sys_ptrace __ia32_compat_sys_ptrace -27 i386 alarm sys_alarm __ia32_sys_alarm -28 i386 oldfstat sys_fstat __ia32_sys_fstat -29 i386 pause sys_pause __ia32_sys_pause -30 i386 utime sys_utime32 __ia32_sys_utime32 +18 i386 oldstat sys_stat +19 i386 lseek sys_lseek compat_sys_lseek +20 i386 getpid sys_getpid +21 i386 mount sys_mount compat_sys_mount +22 i386 umount sys_oldumount +23 i386 setuid sys_setuid16 +24 i386 getuid sys_getuid16 +25 i386 stime sys_stime32 +26 i386 ptrace sys_ptrace compat_sys_ptrace +27 i386 alarm sys_alarm +28 i386 oldfstat sys_fstat +29 i386 pause sys_pause +30 i386 utime sys_utime32 31 i386 stty 32 i386 gtty -33 i386 access sys_access __ia32_sys_access -34 i386 nice sys_nice __ia32_sys_nice +33 i386 access sys_access +34 i386 nice sys_nice 35 i386 ftime -36 i386 sync sys_sync __ia32_sys_sync -37 i386 kill sys_kill __ia32_sys_kill -38 i386 rename sys_rename __ia32_sys_rename -39 i386 mkdir sys_mkdir __ia32_sys_mkdir -40 i386 rmdir sys_rmdir __ia32_sys_rmdir -41 i386 dup sys_dup __ia32_sys_dup -42 i386 pipe sys_pipe __ia32_sys_pipe -43 i386 times sys_times __ia32_compat_sys_times +36 i386 sync sys_sync +37 i386 kill sys_kill +38 i386 rename sys_rename +39 i386 mkdir sys_mkdir +40 i386 rmdir sys_rmdir +41 i386 dup sys_dup +42 i386 pipe sys_pipe +43 i386 times sys_times compat_sys_times 44 i386 prof -45 i386 brk sys_brk __ia32_sys_brk -46 i386 setgid sys_setgid16 __ia32_sys_setgid16 -47 i386 getgid sys_getgid16 __ia32_sys_getgid16 -48 i386 signal sys_signal __ia32_sys_signal -49 i386 geteuid sys_geteuid16 __ia32_sys_geteuid16 -50 i386 getegid sys_getegid16 __ia32_sys_getegid16 -51 i386 acct sys_acct __ia32_sys_acct -52 i386 umount2 sys_umount __ia32_sys_umount +45 i386 brk sys_brk +46 i386 setgid sys_setgid16 +47 i386 getgid sys_getgid16 +48 i386 signal sys_signal +49 i386 geteuid sys_geteuid16 +50 i386 getegid sys_getegid16 +51 i386 acct sys_acct +52 i386 umount2 sys_umount 53 i386 lock -54 i386 ioctl sys_ioctl __ia32_compat_sys_ioctl -55 i386 fcntl sys_fcntl __ia32_compat_sys_fcntl64 +54 i386 ioctl sys_ioctl compat_sys_ioctl +55 i386 fcntl sys_fcntl compat_sys_fcntl64 56 i386 mpx -57 i386 setpgid sys_setpgid __ia32_sys_setpgid +57 i386 setpgid sys_setpgid 58 i386 ulimit -59 i386 oldolduname sys_olduname __ia32_sys_olduname -60 i386 umask sys_umask __ia32_sys_umask -61 i386 chroot sys_chroot __ia32_sys_chroot -62 i386 ustat sys_ustat __ia32_compat_sys_ustat -63 i386 dup2 sys_dup2 __ia32_sys_dup2 -64 i386 getppid sys_getppid __ia32_sys_getppid -65 i386 getpgrp sys_getpgrp __ia32_sys_getpgrp -66 i386 setsid sys_setsid __ia32_sys_setsid -67 i386 sigaction sys_sigaction __ia32_compat_sys_sigaction -68 i386 sgetmask sys_sgetmask __ia32_sys_sgetmask -69 i386 ssetmask sys_ssetmask __ia32_sys_ssetmask -70 i386 setreuid sys_setreuid16 __ia32_sys_setreuid16 -71 i386 setregid sys_setregid16 __ia32_sys_setregid16 -72 i386 sigsuspend sys_sigsuspend __ia32_sys_sigsuspend -73 i386 sigpending sys_sigpending __ia32_compat_sys_sigpending -74 i386 sethostname sys_sethostname __ia32_sys_sethostname -75 i386 setrlimit sys_setrlimit __ia32_compat_sys_setrlimit -76 i386 getrlimit sys_old_getrlimit __ia32_compat_sys_old_getrlimit -77 i386 getrusage sys_getrusage __ia32_compat_sys_getrusage -78 i386 gettimeofday sys_gettimeofday __ia32_compat_sys_gettimeofday -79 i386 settimeofday sys_settimeofday __ia32_compat_sys_settimeofday -80 i386 getgroups sys_getgroups16 __ia32_sys_getgroups16 -81 i386 setgroups sys_setgroups16 __ia32_sys_setgroups16 -82 i386 select sys_old_select __ia32_compat_sys_old_select -83 i386 symlink sys_symlink __ia32_sys_symlink -84 i386 oldlstat sys_lstat __ia32_sys_lstat -85 i386 readlink sys_readlink __ia32_sys_readlink -86 i386 uselib sys_uselib __ia32_sys_uselib -87 i386 swapon sys_swapon __ia32_sys_swapon -88 i386 reboot sys_reboot __ia32_sys_reboot -89 i386 readdir sys_old_readdir __ia32_compat_sys_old_readdir -90 i386 mmap sys_old_mmap __ia32_compat_sys_x86_mmap -91 i386 munmap sys_munmap __ia32_sys_munmap -92 i386 truncate sys_truncate __ia32_compat_sys_truncate -93 i386 ftruncate sys_ftruncate __ia32_compat_sys_ftruncate -94 i386 fchmod sys_fchmod __ia32_sys_fchmod -95 i386 fchown sys_fchown16 __ia32_sys_fchown16 -96 i386 getpriority sys_getpriority __ia32_sys_getpriority -97 i386 setpriority sys_setpriority __ia32_sys_setpriority +59 i386 oldolduname sys_olduname +60 i386 umask sys_umask +61 i386 chroot sys_chroot +62 i386 ustat sys_ustat compat_sys_ustat +63 i386 dup2 sys_dup2 +64 i386 getppid sys_getppid +65 i386 getpgrp sys_getpgrp +66 i386 setsid sys_setsid +67 i386 sigaction sys_sigaction compat_sys_sigaction +68 i386 sgetmask sys_sgetmask +69 i386 ssetmask sys_ssetmask +70 i386 setreuid sys_setreuid16 +71 i386 setregid sys_setregid16 +72 i386 sigsuspend sys_sigsuspend +73 i386 sigpending sys_sigpending compat_sys_sigpending +74 i386 sethostname sys_sethostname +75 i386 setrlimit sys_setrlimit compat_sys_setrlimit +76 i386 getrlimit sys_old_getrlimit compat_sys_old_getrlimit +77 i386 getrusage sys_getrusage compat_sys_getrusage +78 i386 gettimeofday sys_gettimeofday compat_sys_gettimeofday +79 i386 settimeofday sys_settimeofday compat_sys_settimeofday +80 i386 getgroups sys_getgroups16 +81 i386 setgroups sys_setgroups16 +82 i386 select sys_old_select compat_sys_old_select +83 i386 symlink sys_symlink +84 i386 oldlstat sys_lstat +85 i386 readlink sys_readlink +86 i386 uselib sys_uselib +87 i386 swapon sys_swapon +88 i386 reboot sys_reboot +89 i386 readdir sys_old_readdir compat_sys_old_readdir +90 i386 mmap sys_old_mmap compat_sys_ia32_mmap +91 i386 munmap sys_munmap +92 i386 truncate sys_truncate compat_sys_truncate +93 i386 ftruncate sys_ftruncate compat_sys_ftruncate +94 i386 fchmod sys_fchmod +95 i386 fchown sys_fchown16 +96 i386 getpriority sys_getpriority +97 i386 setpriority sys_setpriority 98 i386 profil -99 i386 statfs sys_statfs __ia32_compat_sys_statfs -100 i386 fstatfs sys_fstatfs __ia32_compat_sys_fstatfs -101 i386 ioperm sys_ioperm __ia32_sys_ioperm -102 i386 socketcall sys_socketcall __ia32_compat_sys_socketcall -103 i386 syslog sys_syslog __ia32_sys_syslog -104 i386 setitimer sys_setitimer __ia32_compat_sys_setitimer -105 i386 getitimer sys_getitimer __ia32_compat_sys_getitimer -106 i386 stat sys_newstat __ia32_compat_sys_newstat -107 i386 lstat sys_newlstat __ia32_compat_sys_newlstat -108 i386 fstat sys_newfstat __ia32_compat_sys_newfstat -109 i386 olduname sys_uname __ia32_sys_uname -110 i386 iopl sys_iopl __ia32_sys_iopl -111 i386 vhangup sys_vhangup __ia32_sys_vhangup +99 i386 statfs sys_statfs compat_sys_statfs +100 i386 fstatfs sys_fstatfs compat_sys_fstatfs +101 i386 ioperm sys_ioperm +102 i386 socketcall sys_socketcall compat_sys_socketcall +103 i386 syslog sys_syslog +104 i386 setitimer sys_setitimer compat_sys_setitimer +105 i386 getitimer sys_getitimer compat_sys_getitimer +106 i386 stat sys_newstat compat_sys_newstat +107 i386 lstat sys_newlstat compat_sys_newlstat +108 i386 fstat sys_newfstat compat_sys_newfstat +109 i386 olduname sys_uname +110 i386 iopl sys_iopl +111 i386 vhangup sys_vhangup 112 i386 idle -113 i386 vm86old sys_vm86old __ia32_sys_ni_syscall -114 i386 wait4 sys_wait4 __ia32_compat_sys_wait4 -115 i386 swapoff sys_swapoff __ia32_sys_swapoff -116 i386 sysinfo sys_sysinfo __ia32_compat_sys_sysinfo -117 i386 ipc sys_ipc __ia32_compat_sys_ipc -118 i386 fsync sys_fsync __ia32_sys_fsync -119 i386 sigreturn sys_sigreturn __ia32_compat_sys_sigreturn -120 i386 clone sys_clone __ia32_compat_sys_x86_clone -121 i386 setdomainname sys_setdomainname __ia32_sys_setdomainname -122 i386 uname sys_newuname __ia32_sys_newuname -123 i386 modify_ldt sys_modify_ldt __ia32_sys_modify_ldt -124 i386 adjtimex sys_adjtimex_time32 __ia32_sys_adjtimex_time32 -125 i386 mprotect sys_mprotect __ia32_sys_mprotect -126 i386 sigprocmask sys_sigprocmask __ia32_compat_sys_sigprocmask +113 i386 vm86old sys_vm86old sys_ni_syscall +114 i386 wait4 sys_wait4 compat_sys_wait4 +115 i386 swapoff sys_swapoff +116 i386 sysinfo sys_sysinfo compat_sys_sysinfo +117 i386 ipc sys_ipc compat_sys_ipc +118 i386 fsync sys_fsync +119 i386 sigreturn sys_sigreturn compat_sys_sigreturn +120 i386 clone sys_clone compat_sys_ia32_clone +121 i386 setdomainname sys_setdomainname +122 i386 uname sys_newuname +123 i386 modify_ldt sys_modify_ldt +124 i386 adjtimex sys_adjtimex_time32 +125 i386 mprotect sys_mprotect +126 i386 sigprocmask sys_sigprocmask compat_sys_sigprocmask 127 i386 create_module -128 i386 init_module sys_init_module __ia32_sys_init_module -129 i386 delete_module sys_delete_module __ia32_sys_delete_module +128 i386 init_module sys_init_module +129 i386 delete_module sys_delete_module 130 i386 get_kernel_syms -131 i386 quotactl sys_quotactl __ia32_compat_sys_quotactl32 -132 i386 getpgid sys_getpgid __ia32_sys_getpgid -133 i386 fchdir sys_fchdir __ia32_sys_fchdir -134 i386 bdflush sys_bdflush __ia32_sys_bdflush -135 i386 sysfs sys_sysfs __ia32_sys_sysfs -136 i386 personality sys_personality __ia32_sys_personality +131 i386 quotactl sys_quotactl compat_sys_quotactl32 +132 i386 getpgid sys_getpgid +133 i386 fchdir sys_fchdir +134 i386 bdflush sys_bdflush +135 i386 sysfs sys_sysfs +136 i386 personality sys_personality 137 i386 afs_syscall -138 i386 setfsuid sys_setfsuid16 __ia32_sys_setfsuid16 -139 i386 setfsgid sys_setfsgid16 __ia32_sys_setfsgid16 -140 i386 _llseek sys_llseek __ia32_sys_llseek -141 i386 getdents sys_getdents __ia32_compat_sys_getdents -142 i386 _newselect sys_select __ia32_compat_sys_select -143 i386 flock sys_flock __ia32_sys_flock -144 i386 msync sys_msync __ia32_sys_msync -145 i386 readv sys_readv __ia32_compat_sys_readv -146 i386 writev sys_writev __ia32_compat_sys_writev -147 i386 getsid sys_getsid __ia32_sys_getsid -148 i386 fdatasync sys_fdatasync __ia32_sys_fdatasync -149 i386 _sysctl sys_sysctl __ia32_compat_sys_sysctl -150 i386 mlock sys_mlock __ia32_sys_mlock -151 i386 munlock sys_munlock __ia32_sys_munlock -152 i386 mlockall sys_mlockall __ia32_sys_mlockall -153 i386 munlockall sys_munlockall __ia32_sys_munlockall -154 i386 sched_setparam sys_sched_setparam __ia32_sys_sched_setparam -155 i386 sched_getparam sys_sched_getparam __ia32_sys_sched_getparam -156 i386 sched_setscheduler sys_sched_setscheduler __ia32_sys_sched_setscheduler -157 i386 sched_getscheduler sys_sched_getscheduler __ia32_sys_sched_getscheduler -158 i386 sched_yield sys_sched_yield __ia32_sys_sched_yield -159 i386 sched_get_priority_max sys_sched_get_priority_max __ia32_sys_sched_get_priority_max -160 i386 sched_get_priority_min sys_sched_get_priority_min __ia32_sys_sched_get_priority_min -161 i386 sched_rr_get_interval sys_sched_rr_get_interval_time32 __ia32_sys_sched_rr_get_interval_time32 -162 i386 nanosleep sys_nanosleep_time32 __ia32_sys_nanosleep_time32 -163 i386 mremap sys_mremap __ia32_sys_mremap -164 i386 setresuid sys_setresuid16 __ia32_sys_setresuid16 -165 i386 getresuid sys_getresuid16 __ia32_sys_getresuid16 -166 i386 vm86 sys_vm86 __ia32_sys_ni_syscall +138 i386 setfsuid sys_setfsuid16 +139 i386 setfsgid sys_setfsgid16 +140 i386 _llseek sys_llseek +141 i386 getdents sys_getdents compat_sys_getdents +142 i386 _newselect sys_select compat_sys_select +143 i386 flock sys_flock +144 i386 msync sys_msync +145 i386 readv sys_readv compat_sys_readv +146 i386 writev sys_writev compat_sys_writev +147 i386 getsid sys_getsid +148 i386 fdatasync sys_fdatasync +149 i386 _sysctl sys_sysctl compat_sys_sysctl +150 i386 mlock sys_mlock +151 i386 munlock sys_munlock +152 i386 mlockall sys_mlockall +153 i386 munlockall sys_munlockall +154 i386 sched_setparam sys_sched_setparam +155 i386 sched_getparam sys_sched_getparam +156 i386 sched_setscheduler sys_sched_setscheduler +157 i386 sched_getscheduler sys_sched_getscheduler +158 i386 sched_yield sys_sched_yield +159 i386 sched_get_priority_max sys_sched_get_priority_max +160 i386 sched_get_priority_min sys_sched_get_priority_min +161 i386 sched_rr_get_interval sys_sched_rr_get_interval_time32 +162 i386 nanosleep sys_nanosleep_time32 +163 i386 mremap sys_mremap +164 i386 setresuid sys_setresuid16 +165 i386 getresuid sys_getresuid16 +166 i386 vm86 sys_vm86 sys_ni_syscall 167 i386 query_module -168 i386 poll sys_poll __ia32_sys_poll +168 i386 poll sys_poll 169 i386 nfsservctl -170 i386 setresgid sys_setresgid16 __ia32_sys_setresgid16 -171 i386 getresgid sys_getresgid16 __ia32_sys_getresgid16 -172 i386 prctl sys_prctl __ia32_sys_prctl -173 i386 rt_sigreturn sys_rt_sigreturn __ia32_compat_sys_rt_sigreturn -174 i386 rt_sigaction sys_rt_sigaction __ia32_compat_sys_rt_sigaction -175 i386 rt_sigprocmask sys_rt_sigprocmask __ia32_compat_sys_rt_sigprocmask -176 i386 rt_sigpending sys_rt_sigpending __ia32_compat_sys_rt_sigpending -177 i386 rt_sigtimedwait sys_rt_sigtimedwait_time32 __ia32_compat_sys_rt_sigtimedwait_time32 -178 i386 rt_sigqueueinfo sys_rt_sigqueueinfo __ia32_compat_sys_rt_sigqueueinfo -179 i386 rt_sigsuspend sys_rt_sigsuspend __ia32_compat_sys_rt_sigsuspend -180 i386 pread64 sys_pread64 __ia32_compat_sys_x86_pread -181 i386 pwrite64 sys_pwrite64 __ia32_compat_sys_x86_pwrite -182 i386 chown sys_chown16 __ia32_sys_chown16 -183 i386 getcwd sys_getcwd __ia32_sys_getcwd -184 i386 capget sys_capget __ia32_sys_capget -185 i386 capset sys_capset __ia32_sys_capset -186 i386 sigaltstack sys_sigaltstack __ia32_compat_sys_sigaltstack -187 i386 sendfile sys_sendfile __ia32_compat_sys_sendfile +170 i386 setresgid sys_setresgid16 +171 i386 getresgid sys_getresgid16 +172 i386 prctl sys_prctl +173 i386 rt_sigreturn sys_rt_sigreturn compat_sys_rt_sigreturn +174 i386 rt_sigaction sys_rt_sigaction compat_sys_rt_sigaction +175 i386 rt_sigprocmask sys_rt_sigprocmask compat_sys_rt_sigprocmask +176 i386 rt_sigpending sys_rt_sigpending compat_sys_rt_sigpending +177 i386 rt_sigtimedwait sys_rt_sigtimedwait_time32 compat_sys_rt_sigtimedwait_time32 +178 i386 rt_sigqueueinfo sys_rt_sigqueueinfo compat_sys_rt_sigqueueinfo +179 i386 rt_sigsuspend sys_rt_sigsuspend compat_sys_rt_sigsuspend +180 i386 pread64 sys_ia32_pread64 +181 i386 pwrite64 sys_ia32_pwrite64 +182 i386 chown sys_chown16 +183 i386 getcwd sys_getcwd +184 i386 capget sys_capget +185 i386 capset sys_capset +186 i386 sigaltstack sys_sigaltstack compat_sys_sigaltstack +187 i386 sendfile sys_sendfile compat_sys_sendfile 188 i386 getpmsg 189 i386 putpmsg -190 i386 vfork sys_vfork __ia32_sys_vfork -191 i386 ugetrlimit sys_getrlimit __ia32_compat_sys_getrlimit -192 i386 mmap2 sys_mmap_pgoff __ia32_sys_mmap_pgoff -193 i386 truncate64 sys_truncate64 __ia32_compat_sys_x86_truncate64 -194 i386 ftruncate64 sys_ftruncate64 __ia32_compat_sys_x86_ftruncate64 -195 i386 stat64 sys_stat64 __ia32_compat_sys_x86_stat64 -196 i386 lstat64 sys_lstat64 __ia32_compat_sys_x86_lstat64 -197 i386 fstat64 sys_fstat64 __ia32_compat_sys_x86_fstat64 -198 i386 lchown32 sys_lchown __ia32_sys_lchown -199 i386 getuid32 sys_getuid __ia32_sys_getuid -200 i386 getgid32 sys_getgid __ia32_sys_getgid -201 i386 geteuid32 sys_geteuid __ia32_sys_geteuid -202 i386 getegid32 sys_getegid __ia32_sys_getegid -203 i386 setreuid32 sys_setreuid __ia32_sys_setreuid -204 i386 setregid32 sys_setregid __ia32_sys_setregid -205 i386 getgroups32 sys_getgroups __ia32_sys_getgroups -206 i386 setgroups32 sys_setgroups __ia32_sys_setgroups -207 i386 fchown32 sys_fchown __ia32_sys_fchown -208 i386 setresuid32 sys_setresuid __ia32_sys_setresuid -209 i386 getresuid32 sys_getresuid __ia32_sys_getresuid -210 i386 setresgid32 sys_setresgid __ia32_sys_setresgid -211 i386 getresgid32 sys_getresgid __ia32_sys_getresgid -212 i386 chown32 sys_chown __ia32_sys_chown -213 i386 setuid32 sys_setuid __ia32_sys_setuid -214 i386 setgid32 sys_setgid __ia32_sys_setgid -215 i386 setfsuid32 sys_setfsuid __ia32_sys_setfsuid -216 i386 setfsgid32 sys_setfsgid __ia32_sys_setfsgid -217 i386 pivot_root sys_pivot_root __ia32_sys_pivot_root -218 i386 mincore sys_mincore __ia32_sys_mincore -219 i386 madvise sys_madvise __ia32_sys_madvise -220 i386 getdents64 sys_getdents64 __ia32_sys_getdents64 -221 i386 fcntl64 sys_fcntl64 __ia32_compat_sys_fcntl64 +190 i386 vfork sys_vfork +191 i386 ugetrlimit sys_getrlimit compat_sys_getrlimit +192 i386 mmap2 sys_mmap_pgoff +193 i386 truncate64 sys_ia32_truncate64 +194 i386 ftruncate64 sys_ia32_ftruncate64 +195 i386 stat64 sys_stat64 compat_sys_ia32_stat64 +196 i386 lstat64 sys_lstat64 compat_sys_ia32_lstat64 +197 i386 fstat64 sys_fstat64 compat_sys_ia32_fstat64 +198 i386 lchown32 sys_lchown +199 i386 getuid32 sys_getuid +200 i386 getgid32 sys_getgid +201 i386 geteuid32 sys_geteuid +202 i386 getegid32 sys_getegid +203 i386 setreuid32 sys_setreuid +204 i386 setregid32 sys_setregid +205 i386 getgroups32 sys_getgroups +206 i386 setgroups32 sys_setgroups +207 i386 fchown32 sys_fchown +208 i386 setresuid32 sys_setresuid +209 i386 getresuid32 sys_getresuid +210 i386 setresgid32 sys_setresgid +211 i386 getresgid32 sys_getresgid +212 i386 chown32 sys_chown +213 i386 setuid32 sys_setuid +214 i386 setgid32 sys_setgid +215 i386 setfsuid32 sys_setfsuid +216 i386 setfsgid32 sys_setfsgid +217 i386 pivot_root sys_pivot_root +218 i386 mincore sys_mincore +219 i386 madvise sys_madvise +220 i386 getdents64 sys_getdents64 +221 i386 fcntl64 sys_fcntl64 compat_sys_fcntl64 # 222 is unused # 223 is unused -224 i386 gettid sys_gettid __ia32_sys_gettid -225 i386 readahead sys_readahead __ia32_compat_sys_x86_readahead -226 i386 setxattr sys_setxattr __ia32_sys_setxattr -227 i386 lsetxattr sys_lsetxattr __ia32_sys_lsetxattr -228 i386 fsetxattr sys_fsetxattr __ia32_sys_fsetxattr -229 i386 getxattr sys_getxattr __ia32_sys_getxattr -230 i386 lgetxattr sys_lgetxattr __ia32_sys_lgetxattr -231 i386 fgetxattr sys_fgetxattr __ia32_sys_fgetxattr -232 i386 listxattr sys_listxattr __ia32_sys_listxattr -233 i386 llistxattr sys_llistxattr __ia32_sys_llistxattr -234 i386 flistxattr sys_flistxattr __ia32_sys_flistxattr -235 i386 removexattr sys_removexattr __ia32_sys_removexattr -236 i386 lremovexattr sys_lremovexattr __ia32_sys_lremovexattr -237 i386 fremovexattr sys_fremovexattr __ia32_sys_fremovexattr -238 i386 tkill sys_tkill __ia32_sys_tkill -239 i386 sendfile64 sys_sendfile64 __ia32_sys_sendfile64 -240 i386 futex sys_futex_time32 __ia32_sys_futex_time32 -241 i386 sched_setaffinity sys_sched_setaffinity __ia32_compat_sys_sched_setaffinity -242 i386 sched_getaffinity sys_sched_getaffinity __ia32_compat_sys_sched_getaffinity -243 i386 set_thread_area sys_set_thread_area __ia32_sys_set_thread_area -244 i386 get_thread_area sys_get_thread_area __ia32_sys_get_thread_area -245 i386 io_setup sys_io_setup __ia32_compat_sys_io_setup -246 i386 io_destroy sys_io_destroy __ia32_sys_io_destroy -247 i386 io_getevents sys_io_getevents_time32 __ia32_sys_io_getevents_time32 -248 i386 io_submit sys_io_submit __ia32_compat_sys_io_submit -249 i386 io_cancel sys_io_cancel __ia32_sys_io_cancel -250 i386 fadvise64 sys_fadvise64 __ia32_compat_sys_x86_fadvise64 +224 i386 gettid sys_gettid +225 i386 readahead sys_ia32_readahead +226 i386 setxattr sys_setxattr +227 i386 lsetxattr sys_lsetxattr +228 i386 fsetxattr sys_fsetxattr +229 i386 getxattr sys_getxattr +230 i386 lgetxattr sys_lgetxattr +231 i386 fgetxattr sys_fgetxattr +232 i386 listxattr sys_listxattr +233 i386 llistxattr sys_llistxattr +234 i386 flistxattr sys_flistxattr +235 i386 removexattr sys_removexattr +236 i386 lremovexattr sys_lremovexattr +237 i386 fremovexattr sys_fremovexattr +238 i386 tkill sys_tkill +239 i386 sendfile64 sys_sendfile64 +240 i386 futex sys_futex_time32 +241 i386 sched_setaffinity sys_sched_setaffinity compat_sys_sched_setaffinity +242 i386 sched_getaffinity sys_sched_getaffinity compat_sys_sched_getaffinity +243 i386 set_thread_area sys_set_thread_area +244 i386 get_thread_area sys_get_thread_area +245 i386 io_setup sys_io_setup compat_sys_io_setup +246 i386 io_destroy sys_io_destroy +247 i386 io_getevents sys_io_getevents_time32 +248 i386 io_submit sys_io_submit compat_sys_io_submit +249 i386 io_cancel sys_io_cancel +250 i386 fadvise64 sys_ia32_fadvise64 # 251 is available for reuse (was briefly sys_set_zone_reclaim) -252 i386 exit_group sys_exit_group __ia32_sys_exit_group -253 i386 lookup_dcookie sys_lookup_dcookie __ia32_compat_sys_lookup_dcookie -254 i386 epoll_create sys_epoll_create __ia32_sys_epoll_create -255 i386 epoll_ctl sys_epoll_ctl __ia32_sys_epoll_ctl -256 i386 epoll_wait sys_epoll_wait __ia32_sys_epoll_wait -257 i386 remap_file_pages sys_remap_file_pages __ia32_sys_remap_file_pages -258 i386 set_tid_address sys_set_tid_address __ia32_sys_set_tid_address -259 i386 timer_create sys_timer_create __ia32_compat_sys_timer_create -260 i386 timer_settime sys_timer_settime32 __ia32_sys_timer_settime32 -261 i386 timer_gettime sys_timer_gettime32 __ia32_sys_timer_gettime32 -262 i386 timer_getoverrun sys_timer_getoverrun __ia32_sys_timer_getoverrun -263 i386 timer_delete sys_timer_delete __ia32_sys_timer_delete -264 i386 clock_settime sys_clock_settime32 __ia32_sys_clock_settime32 -265 i386 clock_gettime sys_clock_gettime32 __ia32_sys_clock_gettime32 -266 i386 clock_getres sys_clock_getres_time32 __ia32_sys_clock_getres_time32 -267 i386 clock_nanosleep sys_clock_nanosleep_time32 __ia32_sys_clock_nanosleep_time32 -268 i386 statfs64 sys_statfs64 __ia32_compat_sys_statfs64 -269 i386 fstatfs64 sys_fstatfs64 __ia32_compat_sys_fstatfs64 -270 i386 tgkill sys_tgkill __ia32_sys_tgkill -271 i386 utimes sys_utimes_time32 __ia32_sys_utimes_time32 -272 i386 fadvise64_64 sys_fadvise64_64 __ia32_compat_sys_x86_fadvise64_64 +252 i386 exit_group sys_exit_group +253 i386 lookup_dcookie sys_lookup_dcookie compat_sys_lookup_dcookie +254 i386 epoll_create sys_epoll_create +255 i386 epoll_ctl sys_epoll_ctl +256 i386 epoll_wait sys_epoll_wait +257 i386 remap_file_pages sys_remap_file_pages +258 i386 set_tid_address sys_set_tid_address +259 i386 timer_create sys_timer_create compat_sys_timer_create +260 i386 timer_settime sys_timer_settime32 +261 i386 timer_gettime sys_timer_gettime32 +262 i386 timer_getoverrun sys_timer_getoverrun +263 i386 timer_delete sys_timer_delete +264 i386 clock_settime sys_clock_settime32 +265 i386 clock_gettime sys_clock_gettime32 +266 i386 clock_getres sys_clock_getres_time32 +267 i386 clock_nanosleep sys_clock_nanosleep_time32 +268 i386 statfs64 sys_statfs64 compat_sys_statfs64 +269 i386 fstatfs64 sys_fstatfs64 compat_sys_fstatfs64 +270 i386 tgkill sys_tgkill +271 i386 utimes sys_utimes_time32 +272 i386 fadvise64_64 sys_ia32_fadvise64_64 273 i386 vserver -274 i386 mbind sys_mbind __ia32_sys_mbind -275 i386 get_mempolicy sys_get_mempolicy __ia32_compat_sys_get_mempolicy -276 i386 set_mempolicy sys_set_mempolicy __ia32_sys_set_mempolicy -277 i386 mq_open sys_mq_open __ia32_compat_sys_mq_open -278 i386 mq_unlink sys_mq_unlink __ia32_sys_mq_unlink -279 i386 mq_timedsend sys_mq_timedsend_time32 __ia32_sys_mq_timedsend_time32 -280 i386 mq_timedreceive sys_mq_timedreceive_time32 __ia32_sys_mq_timedreceive_time32 -281 i386 mq_notify sys_mq_notify __ia32_compat_sys_mq_notify -282 i386 mq_getsetattr sys_mq_getsetattr __ia32_compat_sys_mq_getsetattr -283 i386 kexec_load sys_kexec_load __ia32_compat_sys_kexec_load -284 i386 waitid sys_waitid __ia32_compat_sys_waitid +274 i386 mbind sys_mbind +275 i386 get_mempolicy sys_get_mempolicy compat_sys_get_mempolicy +276 i386 set_mempolicy sys_set_mempolicy +277 i386 mq_open sys_mq_open compat_sys_mq_open +278 i386 mq_unlink sys_mq_unlink +279 i386 mq_timedsend sys_mq_timedsend_time32 +280 i386 mq_timedreceive sys_mq_timedreceive_time32 +281 i386 mq_notify sys_mq_notify compat_sys_mq_notify +282 i386 mq_getsetattr sys_mq_getsetattr compat_sys_mq_getsetattr +283 i386 kexec_load sys_kexec_load compat_sys_kexec_load +284 i386 waitid sys_waitid compat_sys_waitid # 285 sys_setaltroot -286 i386 add_key sys_add_key __ia32_sys_add_key -287 i386 request_key sys_request_key __ia32_sys_request_key -288 i386 keyctl sys_keyctl __ia32_compat_sys_keyctl -289 i386 ioprio_set sys_ioprio_set __ia32_sys_ioprio_set -290 i386 ioprio_get sys_ioprio_get __ia32_sys_ioprio_get -291 i386 inotify_init sys_inotify_init __ia32_sys_inotify_init -292 i386 inotify_add_watch sys_inotify_add_watch __ia32_sys_inotify_add_watch -293 i386 inotify_rm_watch sys_inotify_rm_watch __ia32_sys_inotify_rm_watch -294 i386 migrate_pages sys_migrate_pages __ia32_sys_migrate_pages -295 i386 openat sys_openat __ia32_compat_sys_openat -296 i386 mkdirat sys_mkdirat __ia32_sys_mkdirat -297 i386 mknodat sys_mknodat __ia32_sys_mknodat -298 i386 fchownat sys_fchownat __ia32_sys_fchownat -299 i386 futimesat sys_futimesat_time32 __ia32_sys_futimesat_time32 -300 i386 fstatat64 sys_fstatat64 __ia32_compat_sys_x86_fstatat -301 i386 unlinkat sys_unlinkat __ia32_sys_unlinkat -302 i386 renameat sys_renameat __ia32_sys_renameat -303 i386 linkat sys_linkat __ia32_sys_linkat -304 i386 symlinkat sys_symlinkat __ia32_sys_symlinkat -305 i386 readlinkat sys_readlinkat __ia32_sys_readlinkat -306 i386 fchmodat sys_fchmodat __ia32_sys_fchmodat -307 i386 faccessat sys_faccessat __ia32_sys_faccessat -308 i386 pselect6 sys_pselect6_time32 __ia32_compat_sys_pselect6_time32 -309 i386 ppoll sys_ppoll_time32 __ia32_compat_sys_ppoll_time32 -310 i386 unshare sys_unshare __ia32_sys_unshare -311 i386 set_robust_list sys_set_robust_list __ia32_compat_sys_set_robust_list -312 i386 get_robust_list sys_get_robust_list __ia32_compat_sys_get_robust_list -313 i386 splice sys_splice __ia32_sys_splice -314 i386 sync_file_range sys_sync_file_range __ia32_compat_sys_x86_sync_file_range -315 i386 tee sys_tee __ia32_sys_tee -316 i386 vmsplice sys_vmsplice __ia32_compat_sys_vmsplice -317 i386 move_pages sys_move_pages __ia32_compat_sys_move_pages -318 i386 getcpu sys_getcpu __ia32_sys_getcpu -319 i386 epoll_pwait sys_epoll_pwait __ia32_sys_epoll_pwait -320 i386 utimensat sys_utimensat_time32 __ia32_sys_utimensat_time32 -321 i386 signalfd sys_signalfd __ia32_compat_sys_signalfd -322 i386 timerfd_create sys_timerfd_create __ia32_sys_timerfd_create -323 i386 eventfd sys_eventfd __ia32_sys_eventfd -324 i386 fallocate sys_fallocate __ia32_compat_sys_x86_fallocate -325 i386 timerfd_settime sys_timerfd_settime32 __ia32_sys_timerfd_settime32 -326 i386 timerfd_gettime sys_timerfd_gettime32 __ia32_sys_timerfd_gettime32 -327 i386 signalfd4 sys_signalfd4 __ia32_compat_sys_signalfd4 -328 i386 eventfd2 sys_eventfd2 __ia32_sys_eventfd2 -329 i386 epoll_create1 sys_epoll_create1 __ia32_sys_epoll_create1 -330 i386 dup3 sys_dup3 __ia32_sys_dup3 -331 i386 pipe2 sys_pipe2 __ia32_sys_pipe2 -332 i386 inotify_init1 sys_inotify_init1 __ia32_sys_inotify_init1 -333 i386 preadv sys_preadv __ia32_compat_sys_preadv -334 i386 pwritev sys_pwritev __ia32_compat_sys_pwritev -335 i386 rt_tgsigqueueinfo sys_rt_tgsigqueueinfo __ia32_compat_sys_rt_tgsigqueueinfo -336 i386 perf_event_open sys_perf_event_open __ia32_sys_perf_event_open -337 i386 recvmmsg sys_recvmmsg_time32 __ia32_compat_sys_recvmmsg_time32 -338 i386 fanotify_init sys_fanotify_init __ia32_sys_fanotify_init -339 i386 fanotify_mark sys_fanotify_mark __ia32_compat_sys_fanotify_mark -340 i386 prlimit64 sys_prlimit64 __ia32_sys_prlimit64 -341 i386 name_to_handle_at sys_name_to_handle_at __ia32_sys_name_to_handle_at -342 i386 open_by_handle_at sys_open_by_handle_at __ia32_compat_sys_open_by_handle_at -343 i386 clock_adjtime sys_clock_adjtime32 __ia32_sys_clock_adjtime32 -344 i386 syncfs sys_syncfs __ia32_sys_syncfs -345 i386 sendmmsg sys_sendmmsg __ia32_compat_sys_sendmmsg -346 i386 setns sys_setns __ia32_sys_setns -347 i386 process_vm_readv sys_process_vm_readv __ia32_compat_sys_process_vm_readv -348 i386 process_vm_writev sys_process_vm_writev __ia32_compat_sys_process_vm_writev -349 i386 kcmp sys_kcmp __ia32_sys_kcmp -350 i386 finit_module sys_finit_module __ia32_sys_finit_module -351 i386 sched_setattr sys_sched_setattr __ia32_sys_sched_setattr -352 i386 sched_getattr sys_sched_getattr __ia32_sys_sched_getattr -353 i386 renameat2 sys_renameat2 __ia32_sys_renameat2 -354 i386 seccomp sys_seccomp __ia32_sys_seccomp -355 i386 getrandom sys_getrandom __ia32_sys_getrandom -356 i386 memfd_create sys_memfd_create __ia32_sys_memfd_create -357 i386 bpf sys_bpf __ia32_sys_bpf -358 i386 execveat sys_execveat __ia32_compat_sys_execveat -359 i386 socket sys_socket __ia32_sys_socket -360 i386 socketpair sys_socketpair __ia32_sys_socketpair -361 i386 bind sys_bind __ia32_sys_bind -362 i386 connect sys_connect __ia32_sys_connect -363 i386 listen sys_listen __ia32_sys_listen -364 i386 accept4 sys_accept4 __ia32_sys_accept4 -365 i386 getsockopt sys_getsockopt __ia32_compat_sys_getsockopt -366 i386 setsockopt sys_setsockopt __ia32_compat_sys_setsockopt -367 i386 getsockname sys_getsockname __ia32_sys_getsockname -368 i386 getpeername sys_getpeername __ia32_sys_getpeername -369 i386 sendto sys_sendto __ia32_sys_sendto -370 i386 sendmsg sys_sendmsg __ia32_compat_sys_sendmsg -371 i386 recvfrom sys_recvfrom __ia32_compat_sys_recvfrom -372 i386 recvmsg sys_recvmsg __ia32_compat_sys_recvmsg -373 i386 shutdown sys_shutdown __ia32_sys_shutdown -374 i386 userfaultfd sys_userfaultfd __ia32_sys_userfaultfd -375 i386 membarrier sys_membarrier __ia32_sys_membarrier -376 i386 mlock2 sys_mlock2 __ia32_sys_mlock2 -377 i386 copy_file_range sys_copy_file_range __ia32_sys_copy_file_range -378 i386 preadv2 sys_preadv2 __ia32_compat_sys_preadv2 -379 i386 pwritev2 sys_pwritev2 __ia32_compat_sys_pwritev2 -380 i386 pkey_mprotect sys_pkey_mprotect __ia32_sys_pkey_mprotect -381 i386 pkey_alloc sys_pkey_alloc __ia32_sys_pkey_alloc -382 i386 pkey_free sys_pkey_free __ia32_sys_pkey_free -383 i386 statx sys_statx __ia32_sys_statx -384 i386 arch_prctl sys_arch_prctl __ia32_compat_sys_arch_prctl -385 i386 io_pgetevents sys_io_pgetevents_time32 __ia32_compat_sys_io_pgetevents -386 i386 rseq sys_rseq __ia32_sys_rseq -393 i386 semget sys_semget __ia32_sys_semget -394 i386 semctl sys_semctl __ia32_compat_sys_semctl -395 i386 shmget sys_shmget __ia32_sys_shmget -396 i386 shmctl sys_shmctl __ia32_compat_sys_shmctl -397 i386 shmat sys_shmat __ia32_compat_sys_shmat -398 i386 shmdt sys_shmdt __ia32_sys_shmdt -399 i386 msgget sys_msgget __ia32_sys_msgget -400 i386 msgsnd sys_msgsnd __ia32_compat_sys_msgsnd -401 i386 msgrcv sys_msgrcv __ia32_compat_sys_msgrcv -402 i386 msgctl sys_msgctl __ia32_compat_sys_msgctl -403 i386 clock_gettime64 sys_clock_gettime __ia32_sys_clock_gettime -404 i386 clock_settime64 sys_clock_settime __ia32_sys_clock_settime -405 i386 clock_adjtime64 sys_clock_adjtime __ia32_sys_clock_adjtime -406 i386 clock_getres_time64 sys_clock_getres __ia32_sys_clock_getres -407 i386 clock_nanosleep_time64 sys_clock_nanosleep __ia32_sys_clock_nanosleep -408 i386 timer_gettime64 sys_timer_gettime __ia32_sys_timer_gettime -409 i386 timer_settime64 sys_timer_settime __ia32_sys_timer_settime -410 i386 timerfd_gettime64 sys_timerfd_gettime __ia32_sys_timerfd_gettime -411 i386 timerfd_settime64 sys_timerfd_settime __ia32_sys_timerfd_settime -412 i386 utimensat_time64 sys_utimensat __ia32_sys_utimensat -413 i386 pselect6_time64 sys_pselect6 __ia32_compat_sys_pselect6_time64 -414 i386 ppoll_time64 sys_ppoll __ia32_compat_sys_ppoll_time64 -416 i386 io_pgetevents_time64 sys_io_pgetevents __ia32_sys_io_pgetevents -417 i386 recvmmsg_time64 sys_recvmmsg __ia32_compat_sys_recvmmsg_time64 -418 i386 mq_timedsend_time64 sys_mq_timedsend __ia32_sys_mq_timedsend -419 i386 mq_timedreceive_time64 sys_mq_timedreceive __ia32_sys_mq_timedreceive -420 i386 semtimedop_time64 sys_semtimedop __ia32_sys_semtimedop -421 i386 rt_sigtimedwait_time64 sys_rt_sigtimedwait __ia32_compat_sys_rt_sigtimedwait_time64 -422 i386 futex_time64 sys_futex __ia32_sys_futex -423 i386 sched_rr_get_interval_time64 sys_sched_rr_get_interval __ia32_sys_sched_rr_get_interval -424 i386 pidfd_send_signal sys_pidfd_send_signal __ia32_sys_pidfd_send_signal -425 i386 io_uring_setup sys_io_uring_setup __ia32_sys_io_uring_setup -426 i386 io_uring_enter sys_io_uring_enter __ia32_sys_io_uring_enter -427 i386 io_uring_register sys_io_uring_register __ia32_sys_io_uring_register -428 i386 open_tree sys_open_tree __ia32_sys_open_tree -429 i386 move_mount sys_move_mount __ia32_sys_move_mount -430 i386 fsopen sys_fsopen __ia32_sys_fsopen -431 i386 fsconfig sys_fsconfig __ia32_sys_fsconfig -432 i386 fsmount sys_fsmount __ia32_sys_fsmount -433 i386 fspick sys_fspick __ia32_sys_fspick -434 i386 pidfd_open sys_pidfd_open __ia32_sys_pidfd_open -435 i386 clone3 sys_clone3 __ia32_sys_clone3 -437 i386 openat2 sys_openat2 __ia32_sys_openat2 -438 i386 pidfd_getfd sys_pidfd_getfd __ia32_sys_pidfd_getfd +286 i386 add_key sys_add_key +287 i386 request_key sys_request_key +288 i386 keyctl sys_keyctl compat_sys_keyctl +289 i386 ioprio_set sys_ioprio_set +290 i386 ioprio_get sys_ioprio_get +291 i386 inotify_init sys_inotify_init +292 i386 inotify_add_watch sys_inotify_add_watch +293 i386 inotify_rm_watch sys_inotify_rm_watch +294 i386 migrate_pages sys_migrate_pages +295 i386 openat sys_openat compat_sys_openat +296 i386 mkdirat sys_mkdirat +297 i386 mknodat sys_mknodat +298 i386 fchownat sys_fchownat +299 i386 futimesat sys_futimesat_time32 +300 i386 fstatat64 sys_fstatat64 compat_sys_ia32_fstatat64 +301 i386 unlinkat sys_unlinkat +302 i386 renameat sys_renameat +303 i386 linkat sys_linkat +304 i386 symlinkat sys_symlinkat +305 i386 readlinkat sys_readlinkat +306 i386 fchmodat sys_fchmodat +307 i386 faccessat sys_faccessat +308 i386 pselect6 sys_pselect6_time32 compat_sys_pselect6_time32 +309 i386 ppoll sys_ppoll_time32 compat_sys_ppoll_time32 +310 i386 unshare sys_unshare +311 i386 set_robust_list sys_set_robust_list compat_sys_set_robust_list +312 i386 get_robust_list sys_get_robust_list compat_sys_get_robust_list +313 i386 splice sys_splice +314 i386 sync_file_range sys_ia32_sync_file_range +315 i386 tee sys_tee +316 i386 vmsplice sys_vmsplice compat_sys_vmsplice +317 i386 move_pages sys_move_pages compat_sys_move_pages +318 i386 getcpu sys_getcpu +319 i386 epoll_pwait sys_epoll_pwait +320 i386 utimensat sys_utimensat_time32 +321 i386 signalfd sys_signalfd compat_sys_signalfd +322 i386 timerfd_create sys_timerfd_create +323 i386 eventfd sys_eventfd +324 i386 fallocate sys_ia32_fallocate +325 i386 timerfd_settime sys_timerfd_settime32 +326 i386 timerfd_gettime sys_timerfd_gettime32 +327 i386 signalfd4 sys_signalfd4 compat_sys_signalfd4 +328 i386 eventfd2 sys_eventfd2 +329 i386 epoll_create1 sys_epoll_create1 +330 i386 dup3 sys_dup3 +331 i386 pipe2 sys_pipe2 +332 i386 inotify_init1 sys_inotify_init1 +333 i386 preadv sys_preadv compat_sys_preadv +334 i386 pwritev sys_pwritev compat_sys_pwritev +335 i386 rt_tgsigqueueinfo sys_rt_tgsigqueueinfo compat_sys_rt_tgsigqueueinfo +336 i386 perf_event_open sys_perf_event_open +337 i386 recvmmsg sys_recvmmsg_time32 compat_sys_recvmmsg_time32 +338 i386 fanotify_init sys_fanotify_init +339 i386 fanotify_mark sys_fanotify_mark compat_sys_fanotify_mark +340 i386 prlimit64 sys_prlimit64 +341 i386 name_to_handle_at sys_name_to_handle_at +342 i386 open_by_handle_at sys_open_by_handle_at compat_sys_open_by_handle_at +343 i386 clock_adjtime sys_clock_adjtime32 +344 i386 syncfs sys_syncfs +345 i386 sendmmsg sys_sendmmsg compat_sys_sendmmsg +346 i386 setns sys_setns +347 i386 process_vm_readv sys_process_vm_readv compat_sys_process_vm_readv +348 i386 process_vm_writev sys_process_vm_writev compat_sys_process_vm_writev +349 i386 kcmp sys_kcmp +350 i386 finit_module sys_finit_module +351 i386 sched_setattr sys_sched_setattr +352 i386 sched_getattr sys_sched_getattr +353 i386 renameat2 sys_renameat2 +354 i386 seccomp sys_seccomp +355 i386 getrandom sys_getrandom +356 i386 memfd_create sys_memfd_create +357 i386 bpf sys_bpf +358 i386 execveat sys_execveat compat_sys_execveat +359 i386 socket sys_socket +360 i386 socketpair sys_socketpair +361 i386 bind sys_bind +362 i386 connect sys_connect +363 i386 listen sys_listen +364 i386 accept4 sys_accept4 +365 i386 getsockopt sys_getsockopt compat_sys_getsockopt +366 i386 setsockopt sys_setsockopt compat_sys_setsockopt +367 i386 getsockname sys_getsockname +368 i386 getpeername sys_getpeername +369 i386 sendto sys_sendto +370 i386 sendmsg sys_sendmsg compat_sys_sendmsg +371 i386 recvfrom sys_recvfrom compat_sys_recvfrom +372 i386 recvmsg sys_recvmsg compat_sys_recvmsg +373 i386 shutdown sys_shutdown +374 i386 userfaultfd sys_userfaultfd +375 i386 membarrier sys_membarrier +376 i386 mlock2 sys_mlock2 +377 i386 copy_file_range sys_copy_file_range +378 i386 preadv2 sys_preadv2 compat_sys_preadv2 +379 i386 pwritev2 sys_pwritev2 compat_sys_pwritev2 +380 i386 pkey_mprotect sys_pkey_mprotect +381 i386 pkey_alloc sys_pkey_alloc +382 i386 pkey_free sys_pkey_free +383 i386 statx sys_statx +384 i386 arch_prctl sys_arch_prctl compat_sys_arch_prctl +385 i386 io_pgetevents sys_io_pgetevents_time32 compat_sys_io_pgetevents +386 i386 rseq sys_rseq +393 i386 semget sys_semget +394 i386 semctl sys_semctl compat_sys_semctl +395 i386 shmget sys_shmget +396 i386 shmctl sys_shmctl compat_sys_shmctl +397 i386 shmat sys_shmat compat_sys_shmat +398 i386 shmdt sys_shmdt +399 i386 msgget sys_msgget +400 i386 msgsnd sys_msgsnd compat_sys_msgsnd +401 i386 msgrcv sys_msgrcv compat_sys_msgrcv +402 i386 msgctl sys_msgctl compat_sys_msgctl +403 i386 clock_gettime64 sys_clock_gettime +404 i386 clock_settime64 sys_clock_settime +405 i386 clock_adjtime64 sys_clock_adjtime +406 i386 clock_getres_time64 sys_clock_getres +407 i386 clock_nanosleep_time64 sys_clock_nanosleep +408 i386 timer_gettime64 sys_timer_gettime +409 i386 timer_settime64 sys_timer_settime +410 i386 timerfd_gettime64 sys_timerfd_gettime +411 i386 timerfd_settime64 sys_timerfd_settime +412 i386 utimensat_time64 sys_utimensat +413 i386 pselect6_time64 sys_pselect6 compat_sys_pselect6_time64 +414 i386 ppoll_time64 sys_ppoll compat_sys_ppoll_time64 +416 i386 io_pgetevents_time64 sys_io_pgetevents +417 i386 recvmmsg_time64 sys_recvmmsg compat_sys_recvmmsg_time64 +418 i386 mq_timedsend_time64 sys_mq_timedsend +419 i386 mq_timedreceive_time64 sys_mq_timedreceive +420 i386 semtimedop_time64 sys_semtimedop +421 i386 rt_sigtimedwait_time64 sys_rt_sigtimedwait compat_sys_rt_sigtimedwait_time64 +422 i386 futex_time64 sys_futex +423 i386 sched_rr_get_interval_time64 sys_sched_rr_get_interval +424 i386 pidfd_send_signal sys_pidfd_send_signal +425 i386 io_uring_setup sys_io_uring_setup +426 i386 io_uring_enter sys_io_uring_enter +427 i386 io_uring_register sys_io_uring_register +428 i386 open_tree sys_open_tree +429 i386 move_mount sys_move_mount +430 i386 fsopen sys_fsopen +431 i386 fsconfig sys_fsconfig +432 i386 fsmount sys_fsmount +433 i386 fspick sys_fspick +434 i386 pidfd_open sys_pidfd_open +435 i386 clone3 sys_clone3 +437 i386 openat2 sys_openat2 +438 i386 pidfd_getfd sys_pidfd_getfd diff --git a/arch/x86/entry/syscalls/syscall_64.tbl b/arch/x86/entry/syscalls/syscall_64.tbl index 44d510bc9b78..37b844f839bc 100644 --- a/arch/x86/entry/syscalls/syscall_64.tbl +++ b/arch/x86/entry/syscalls/syscall_64.tbl @@ -8,357 +8,357 @@ # # The abi is "common", "64" or "x32" for this file. # -0 common read __x64_sys_read -1 common write __x64_sys_write -2 common open __x64_sys_open -3 common close __x64_sys_close -4 common stat __x64_sys_newstat -5 common fstat __x64_sys_newfstat -6 common lstat __x64_sys_newlstat -7 common poll __x64_sys_poll -8 common lseek __x64_sys_lseek -9 common mmap __x64_sys_mmap -10 common mprotect __x64_sys_mprotect -11 common munmap __x64_sys_munmap -12 common brk __x64_sys_brk -13 64 rt_sigaction __x64_sys_rt_sigaction -14 common rt_sigprocmask __x64_sys_rt_sigprocmask -15 64 rt_sigreturn __x64_sys_rt_sigreturn/ptregs -16 64 ioctl __x64_sys_ioctl -17 common pread64 __x64_sys_pread64 -18 common pwrite64 __x64_sys_pwrite64 -19 64 readv __x64_sys_readv -20 64 writev __x64_sys_writev -21 common access __x64_sys_access -22 common pipe __x64_sys_pipe -23 common select __x64_sys_select -24 common sched_yield __x64_sys_sched_yield -25 common mremap __x64_sys_mremap -26 common msync __x64_sys_msync -27 common mincore __x64_sys_mincore -28 common madvise __x64_sys_madvise -29 common shmget __x64_sys_shmget -30 common shmat __x64_sys_shmat -31 common shmctl __x64_sys_shmctl -32 common dup __x64_sys_dup -33 common dup2 __x64_sys_dup2 -34 common pause __x64_sys_pause -35 common nanosleep __x64_sys_nanosleep -36 common getitimer __x64_sys_getitimer -37 common alarm __x64_sys_alarm -38 common setitimer __x64_sys_setitimer -39 common getpid __x64_sys_getpid -40 common sendfile __x64_sys_sendfile64 -41 common socket __x64_sys_socket -42 common connect __x64_sys_connect -43 common accept __x64_sys_accept -44 common sendto __x64_sys_sendto -45 64 recvfrom __x64_sys_recvfrom -46 64 sendmsg __x64_sys_sendmsg -47 64 recvmsg __x64_sys_recvmsg -48 common shutdown __x64_sys_shutdown -49 common bind __x64_sys_bind -50 common listen __x64_sys_listen -51 common getsockname __x64_sys_getsockname -52 common getpeername __x64_sys_getpeername -53 common socketpair __x64_sys_socketpair -54 64 setsockopt __x64_sys_setsockopt -55 64 getsockopt __x64_sys_getsockopt -56 common clone __x64_sys_clone/ptregs -57 common fork __x64_sys_fork/ptregs -58 common vfork __x64_sys_vfork/ptregs -59 64 execve __x64_sys_execve/ptregs -60 common exit __x64_sys_exit -61 common wait4 __x64_sys_wait4 -62 common kill __x64_sys_kill -63 common uname __x64_sys_newuname -64 common semget __x64_sys_semget -65 common semop __x64_sys_semop -66 common semctl __x64_sys_semctl -67 common shmdt __x64_sys_shmdt -68 common msgget __x64_sys_msgget -69 common msgsnd __x64_sys_msgsnd -70 common msgrcv __x64_sys_msgrcv -71 common msgctl __x64_sys_msgctl -72 common fcntl __x64_sys_fcntl -73 common flock __x64_sys_flock -74 common fsync __x64_sys_fsync -75 common fdatasync __x64_sys_fdatasync -76 common truncate __x64_sys_truncate -77 common ftruncate __x64_sys_ftruncate -78 common getdents __x64_sys_getdents -79 common getcwd __x64_sys_getcwd -80 common chdir __x64_sys_chdir -81 common fchdir __x64_sys_fchdir -82 common rename __x64_sys_rename -83 common mkdir __x64_sys_mkdir -84 common rmdir __x64_sys_rmdir -85 common creat __x64_sys_creat -86 common link __x64_sys_link -87 common unlink __x64_sys_unlink -88 common symlink __x64_sys_symlink -89 common readlink __x64_sys_readlink -90 common chmod __x64_sys_chmod -91 common fchmod __x64_sys_fchmod -92 common chown __x64_sys_chown -93 common fchown __x64_sys_fchown -94 common lchown __x64_sys_lchown -95 common umask __x64_sys_umask -96 common gettimeofday __x64_sys_gettimeofday -97 common getrlimit __x64_sys_getrlimit -98 common getrusage __x64_sys_getrusage -99 common sysinfo __x64_sys_sysinfo -100 common times __x64_sys_times -101 64 ptrace __x64_sys_ptrace -102 common getuid __x64_sys_getuid -103 common syslog __x64_sys_syslog -104 common getgid __x64_sys_getgid -105 common setuid __x64_sys_setuid -106 common setgid __x64_sys_setgid -107 common geteuid __x64_sys_geteuid -108 common getegid __x64_sys_getegid -109 common setpgid __x64_sys_setpgid -110 common getppid __x64_sys_getppid -111 common getpgrp __x64_sys_getpgrp -112 common setsid __x64_sys_setsid -113 common setreuid __x64_sys_setreuid -114 common setregid __x64_sys_setregid -115 common getgroups __x64_sys_getgroups -116 common setgroups __x64_sys_setgroups -117 common setresuid __x64_sys_setresuid -118 common getresuid __x64_sys_getresuid -119 common setresgid __x64_sys_setresgid -120 common getresgid __x64_sys_getresgid -121 common getpgid __x64_sys_getpgid -122 common setfsuid __x64_sys_setfsuid -123 common setfsgid __x64_sys_setfsgid -124 common getsid __x64_sys_getsid -125 common capget __x64_sys_capget -126 common capset __x64_sys_capset -127 64 rt_sigpending __x64_sys_rt_sigpending -128 64 rt_sigtimedwait __x64_sys_rt_sigtimedwait -129 64 rt_sigqueueinfo __x64_sys_rt_sigqueueinfo -130 common rt_sigsuspend __x64_sys_rt_sigsuspend -131 64 sigaltstack __x64_sys_sigaltstack -132 common utime __x64_sys_utime -133 common mknod __x64_sys_mknod +0 common read sys_read +1 common write sys_write +2 common open sys_open +3 common close sys_close +4 common stat sys_newstat +5 common fstat sys_newfstat +6 common lstat sys_newlstat +7 common poll sys_poll +8 common lseek sys_lseek +9 common mmap sys_mmap +10 common mprotect sys_mprotect +11 common munmap sys_munmap +12 common brk sys_brk +13 64 rt_sigaction sys_rt_sigaction +14 common rt_sigprocmask sys_rt_sigprocmask +15 64 rt_sigreturn sys_rt_sigreturn +16 64 ioctl sys_ioctl +17 common pread64 sys_pread64 +18 common pwrite64 sys_pwrite64 +19 64 readv sys_readv +20 64 writev sys_writev +21 common access sys_access +22 common pipe sys_pipe +23 common select sys_select +24 common sched_yield sys_sched_yield +25 common mremap sys_mremap +26 common msync sys_msync +27 common mincore sys_mincore +28 common madvise sys_madvise +29 common shmget sys_shmget +30 common shmat sys_shmat +31 common shmctl sys_shmctl +32 common dup sys_dup +33 common dup2 sys_dup2 +34 common pause sys_pause +35 common nanosleep sys_nanosleep +36 common getitimer sys_getitimer +37 common alarm sys_alarm +38 common setitimer sys_setitimer +39 common getpid sys_getpid +40 common sendfile sys_sendfile64 +41 common socket sys_socket +42 common connect sys_connect +43 common accept sys_accept +44 common sendto sys_sendto +45 64 recvfrom sys_recvfrom +46 64 sendmsg sys_sendmsg +47 64 recvmsg sys_recvmsg +48 common shutdown sys_shutdown +49 common bind sys_bind +50 common listen sys_listen +51 common getsockname sys_getsockname +52 common getpeername sys_getpeername +53 common socketpair sys_socketpair +54 64 setsockopt sys_setsockopt +55 64 getsockopt sys_getsockopt +56 common clone sys_clone +57 common fork sys_fork +58 common vfork sys_vfork +59 64 execve sys_execve +60 common exit sys_exit +61 common wait4 sys_wait4 +62 common kill sys_kill +63 common uname sys_newuname +64 common semget sys_semget +65 common semop sys_semop +66 common semctl sys_semctl +67 common shmdt sys_shmdt +68 common msgget sys_msgget +69 common msgsnd sys_msgsnd +70 common msgrcv sys_msgrcv +71 common msgctl sys_msgctl +72 common fcntl sys_fcntl +73 common flock sys_flock +74 common fsync sys_fsync +75 common fdatasync sys_fdatasync +76 common truncate sys_truncate +77 common ftruncate sys_ftruncate +78 common getdents sys_getdents +79 common getcwd sys_getcwd +80 common chdir sys_chdir +81 common fchdir sys_fchdir +82 common rename sys_rename +83 common mkdir sys_mkdir +84 common rmdir sys_rmdir +85 common creat sys_creat +86 common link sys_link +87 common unlink sys_unlink +88 common symlink sys_symlink +89 common readlink sys_readlink +90 common chmod sys_chmod +91 common fchmod sys_fchmod +92 common chown sys_chown +93 common fchown sys_fchown +94 common lchown sys_lchown +95 common umask sys_umask +96 common gettimeofday sys_gettimeofday +97 common getrlimit sys_getrlimit +98 common getrusage sys_getrusage +99 common sysinfo sys_sysinfo +100 common times sys_times +101 64 ptrace sys_ptrace +102 common getuid sys_getuid +103 common syslog sys_syslog +104 common getgid sys_getgid +105 common setuid sys_setuid +106 common setgid sys_setgid +107 common geteuid sys_geteuid +108 common getegid sys_getegid +109 common setpgid sys_setpgid +110 common getppid sys_getppid +111 common getpgrp sys_getpgrp +112 common setsid sys_setsid +113 common setreuid sys_setreuid +114 common setregid sys_setregid +115 common getgroups sys_getgroups +116 common setgroups sys_setgroups +117 common setresuid sys_setresuid +118 common getresuid sys_getresuid +119 common setresgid sys_setresgid +120 common getresgid sys_getresgid +121 common getpgid sys_getpgid +122 common setfsuid sys_setfsuid +123 common setfsgid sys_setfsgid +124 common getsid sys_getsid +125 common capget sys_capget +126 common capset sys_capset +127 64 rt_sigpending sys_rt_sigpending +128 64 rt_sigtimedwait sys_rt_sigtimedwait +129 64 rt_sigqueueinfo sys_rt_sigqueueinfo +130 common rt_sigsuspend sys_rt_sigsuspend +131 64 sigaltstack sys_sigaltstack +132 common utime sys_utime +133 common mknod sys_mknod 134 64 uselib -135 common personality __x64_sys_personality -136 common ustat __x64_sys_ustat -137 common statfs __x64_sys_statfs -138 common fstatfs __x64_sys_fstatfs -139 common sysfs __x64_sys_sysfs -140 common getpriority __x64_sys_getpriority -141 common setpriority __x64_sys_setpriority -142 common sched_setparam __x64_sys_sched_setparam -143 common sched_getparam __x64_sys_sched_getparam -144 common sched_setscheduler __x64_sys_sched_setscheduler -145 common sched_getscheduler __x64_sys_sched_getscheduler -146 common sched_get_priority_max __x64_sys_sched_get_priority_max -147 common sched_get_priority_min __x64_sys_sched_get_priority_min -148 common sched_rr_get_interval __x64_sys_sched_rr_get_interval -149 common mlock __x64_sys_mlock -150 common munlock __x64_sys_munlock -151 common mlockall __x64_sys_mlockall -152 common munlockall __x64_sys_munlockall -153 common vhangup __x64_sys_vhangup -154 common modify_ldt __x64_sys_modify_ldt -155 common pivot_root __x64_sys_pivot_root -156 64 _sysctl __x64_sys_sysctl -157 common prctl __x64_sys_prctl -158 common arch_prctl __x64_sys_arch_prctl -159 common adjtimex __x64_sys_adjtimex -160 common setrlimit __x64_sys_setrlimit -161 common chroot __x64_sys_chroot -162 common sync __x64_sys_sync -163 common acct __x64_sys_acct -164 common settimeofday __x64_sys_settimeofday -165 common mount __x64_sys_mount -166 common umount2 __x64_sys_umount -167 common swapon __x64_sys_swapon -168 common swapoff __x64_sys_swapoff -169 common reboot __x64_sys_reboot -170 common sethostname __x64_sys_sethostname -171 common setdomainname __x64_sys_setdomainname -172 common iopl __x64_sys_iopl/ptregs -173 common ioperm __x64_sys_ioperm +135 common personality sys_personality +136 common ustat sys_ustat +137 common statfs sys_statfs +138 common fstatfs sys_fstatfs +139 common sysfs sys_sysfs +140 common getpriority sys_getpriority +141 common setpriority sys_setpriority +142 common sched_setparam sys_sched_setparam +143 common sched_getparam sys_sched_getparam +144 common sched_setscheduler sys_sched_setscheduler +145 common sched_getscheduler sys_sched_getscheduler +146 common sched_get_priority_max sys_sched_get_priority_max +147 common sched_get_priority_min sys_sched_get_priority_min +148 common sched_rr_get_interval sys_sched_rr_get_interval +149 common mlock sys_mlock +150 common munlock sys_munlock +151 common mlockall sys_mlockall +152 common munlockall sys_munlockall +153 common vhangup sys_vhangup +154 common modify_ldt sys_modify_ldt +155 common pivot_root sys_pivot_root +156 64 _sysctl sys_sysctl +157 common prctl sys_prctl +158 common arch_prctl sys_arch_prctl +159 common adjtimex sys_adjtimex +160 common setrlimit sys_setrlimit +161 common chroot sys_chroot +162 common sync sys_sync +163 common acct sys_acct +164 common settimeofday sys_settimeofday +165 common mount sys_mount +166 common umount2 sys_umount +167 common swapon sys_swapon +168 common swapoff sys_swapoff +169 common reboot sys_reboot +170 common sethostname sys_sethostname +171 common setdomainname sys_setdomainname +172 common iopl sys_iopl +173 common ioperm sys_ioperm 174 64 create_module -175 common init_module __x64_sys_init_module -176 common delete_module __x64_sys_delete_module +175 common init_module sys_init_module +176 common delete_module sys_delete_module 177 64 get_kernel_syms 178 64 query_module -179 common quotactl __x64_sys_quotactl +179 common quotactl sys_quotactl 180 64 nfsservctl 181 common getpmsg 182 common putpmsg 183 common afs_syscall 184 common tuxcall 185 common security -186 common gettid __x64_sys_gettid -187 common readahead __x64_sys_readahead -188 common setxattr __x64_sys_setxattr -189 common lsetxattr __x64_sys_lsetxattr -190 common fsetxattr __x64_sys_fsetxattr -191 common getxattr __x64_sys_getxattr -192 common lgetxattr __x64_sys_lgetxattr -193 common fgetxattr __x64_sys_fgetxattr -194 common listxattr __x64_sys_listxattr -195 common llistxattr __x64_sys_llistxattr -196 common flistxattr __x64_sys_flistxattr -197 common removexattr __x64_sys_removexattr -198 common lremovexattr __x64_sys_lremovexattr -199 common fremovexattr __x64_sys_fremovexattr -200 common tkill __x64_sys_tkill -201 common time __x64_sys_time -202 common futex __x64_sys_futex -203 common sched_setaffinity __x64_sys_sched_setaffinity -204 common sched_getaffinity __x64_sys_sched_getaffinity +186 common gettid sys_gettid +187 common readahead sys_readahead +188 common setxattr sys_setxattr +189 common lsetxattr sys_lsetxattr +190 common fsetxattr sys_fsetxattr +191 common getxattr sys_getxattr +192 common lgetxattr sys_lgetxattr +193 common fgetxattr sys_fgetxattr +194 common listxattr sys_listxattr +195 common llistxattr sys_llistxattr +196 common flistxattr sys_flistxattr +197 common removexattr sys_removexattr +198 common lremovexattr sys_lremovexattr +199 common fremovexattr sys_fremovexattr +200 common tkill sys_tkill +201 common time sys_time +202 common futex sys_futex +203 common sched_setaffinity sys_sched_setaffinity +204 common sched_getaffinity sys_sched_getaffinity 205 64 set_thread_area -206 64 io_setup __x64_sys_io_setup -207 common io_destroy __x64_sys_io_destroy -208 common io_getevents __x64_sys_io_getevents -209 64 io_submit __x64_sys_io_submit -210 common io_cancel __x64_sys_io_cancel +206 64 io_setup sys_io_setup +207 common io_destroy sys_io_destroy +208 common io_getevents sys_io_getevents +209 64 io_submit sys_io_submit +210 common io_cancel sys_io_cancel 211 64 get_thread_area -212 common lookup_dcookie __x64_sys_lookup_dcookie -213 common epoll_create __x64_sys_epoll_create +212 common lookup_dcookie sys_lookup_dcookie +213 common epoll_create sys_epoll_create 214 64 epoll_ctl_old 215 64 epoll_wait_old -216 common remap_file_pages __x64_sys_remap_file_pages -217 common getdents64 __x64_sys_getdents64 -218 common set_tid_address __x64_sys_set_tid_address -219 common restart_syscall __x64_sys_restart_syscall -220 common semtimedop __x64_sys_semtimedop -221 common fadvise64 __x64_sys_fadvise64 -222 64 timer_create __x64_sys_timer_create -223 common timer_settime __x64_sys_timer_settime -224 common timer_gettime __x64_sys_timer_gettime -225 common timer_getoverrun __x64_sys_timer_getoverrun -226 common timer_delete __x64_sys_timer_delete -227 common clock_settime __x64_sys_clock_settime -228 common clock_gettime __x64_sys_clock_gettime -229 common clock_getres __x64_sys_clock_getres -230 common clock_nanosleep __x64_sys_clock_nanosleep -231 common exit_group __x64_sys_exit_group -232 common epoll_wait __x64_sys_epoll_wait -233 common epoll_ctl __x64_sys_epoll_ctl -234 common tgkill __x64_sys_tgkill -235 common utimes __x64_sys_utimes +216 common remap_file_pages sys_remap_file_pages +217 common getdents64 sys_getdents64 +218 common set_tid_address sys_set_tid_address +219 common restart_syscall sys_restart_syscall +220 common semtimedop sys_semtimedop +221 common fadvise64 sys_fadvise64 +222 64 timer_create sys_timer_create +223 common timer_settime sys_timer_settime +224 common timer_gettime sys_timer_gettime +225 common timer_getoverrun sys_timer_getoverrun +226 common timer_delete sys_timer_delete +227 common clock_settime sys_clock_settime +228 common clock_gettime sys_clock_gettime +229 common clock_getres sys_clock_getres +230 common clock_nanosleep sys_clock_nanosleep +231 common exit_group sys_exit_group +232 common epoll_wait sys_epoll_wait +233 common epoll_ctl sys_epoll_ctl +234 common tgkill sys_tgkill +235 common utimes sys_utimes 236 64 vserver -237 common mbind __x64_sys_mbind -238 common set_mempolicy __x64_sys_set_mempolicy -239 common get_mempolicy __x64_sys_get_mempolicy -240 common mq_open __x64_sys_mq_open -241 common mq_unlink __x64_sys_mq_unlink -242 common mq_timedsend __x64_sys_mq_timedsend -243 common mq_timedreceive __x64_sys_mq_timedreceive -244 64 mq_notify __x64_sys_mq_notify -245 common mq_getsetattr __x64_sys_mq_getsetattr -246 64 kexec_load __x64_sys_kexec_load -247 64 waitid __x64_sys_waitid -248 common add_key __x64_sys_add_key -249 common request_key __x64_sys_request_key -250 common keyctl __x64_sys_keyctl -251 common ioprio_set __x64_sys_ioprio_set -252 common ioprio_get __x64_sys_ioprio_get -253 common inotify_init __x64_sys_inotify_init -254 common inotify_add_watch __x64_sys_inotify_add_watch -255 common inotify_rm_watch __x64_sys_inotify_rm_watch -256 common migrate_pages __x64_sys_migrate_pages -257 common openat __x64_sys_openat -258 common mkdirat __x64_sys_mkdirat -259 common mknodat __x64_sys_mknodat -260 common fchownat __x64_sys_fchownat -261 common futimesat __x64_sys_futimesat -262 common newfstatat __x64_sys_newfstatat -263 common unlinkat __x64_sys_unlinkat -264 common renameat __x64_sys_renameat -265 common linkat __x64_sys_linkat -266 common symlinkat __x64_sys_symlinkat -267 common readlinkat __x64_sys_readlinkat -268 common fchmodat __x64_sys_fchmodat -269 common faccessat __x64_sys_faccessat -270 common pselect6 __x64_sys_pselect6 -271 common ppoll __x64_sys_ppoll -272 common unshare __x64_sys_unshare -273 64 set_robust_list __x64_sys_set_robust_list -274 64 get_robust_list __x64_sys_get_robust_list -275 common splice __x64_sys_splice -276 common tee __x64_sys_tee -277 common sync_file_range __x64_sys_sync_file_range -278 64 vmsplice __x64_sys_vmsplice -279 64 move_pages __x64_sys_move_pages -280 common utimensat __x64_sys_utimensat -281 common epoll_pwait __x64_sys_epoll_pwait -282 common signalfd __x64_sys_signalfd -283 common timerfd_create __x64_sys_timerfd_create -284 common eventfd __x64_sys_eventfd -285 common fallocate __x64_sys_fallocate -286 common timerfd_settime __x64_sys_timerfd_settime -287 common timerfd_gettime __x64_sys_timerfd_gettime -288 common accept4 __x64_sys_accept4 -289 common signalfd4 __x64_sys_signalfd4 -290 common eventfd2 __x64_sys_eventfd2 -291 common epoll_create1 __x64_sys_epoll_create1 -292 common dup3 __x64_sys_dup3 -293 common pipe2 __x64_sys_pipe2 -294 common inotify_init1 __x64_sys_inotify_init1 -295 64 preadv __x64_sys_preadv -296 64 pwritev __x64_sys_pwritev -297 64 rt_tgsigqueueinfo __x64_sys_rt_tgsigqueueinfo -298 common perf_event_open __x64_sys_perf_event_open -299 64 recvmmsg __x64_sys_recvmmsg -300 common fanotify_init __x64_sys_fanotify_init -301 common fanotify_mark __x64_sys_fanotify_mark -302 common prlimit64 __x64_sys_prlimit64 -303 common name_to_handle_at __x64_sys_name_to_handle_at -304 common open_by_handle_at __x64_sys_open_by_handle_at -305 common clock_adjtime __x64_sys_clock_adjtime -306 common syncfs __x64_sys_syncfs -307 64 sendmmsg __x64_sys_sendmmsg -308 common setns __x64_sys_setns -309 common getcpu __x64_sys_getcpu -310 64 process_vm_readv __x64_sys_process_vm_readv -311 64 process_vm_writev __x64_sys_process_vm_writev -312 common kcmp __x64_sys_kcmp -313 common finit_module __x64_sys_finit_module -314 common sched_setattr __x64_sys_sched_setattr -315 common sched_getattr __x64_sys_sched_getattr -316 common renameat2 __x64_sys_renameat2 -317 common seccomp __x64_sys_seccomp -318 common getrandom __x64_sys_getrandom -319 common memfd_create __x64_sys_memfd_create -320 common kexec_file_load __x64_sys_kexec_file_load -321 common bpf __x64_sys_bpf -322 64 execveat __x64_sys_execveat/ptregs -323 common userfaultfd __x64_sys_userfaultfd -324 common membarrier __x64_sys_membarrier -325 common mlock2 __x64_sys_mlock2 -326 common copy_file_range __x64_sys_copy_file_range -327 64 preadv2 __x64_sys_preadv2 -328 64 pwritev2 __x64_sys_pwritev2 -329 common pkey_mprotect __x64_sys_pkey_mprotect -330 common pkey_alloc __x64_sys_pkey_alloc -331 common pkey_free __x64_sys_pkey_free -332 common statx __x64_sys_statx -333 common io_pgetevents __x64_sys_io_pgetevents -334 common rseq __x64_sys_rseq +237 common mbind sys_mbind +238 common set_mempolicy sys_set_mempolicy +239 common get_mempolicy sys_get_mempolicy +240 common mq_open sys_mq_open +241 common mq_unlink sys_mq_unlink +242 common mq_timedsend sys_mq_timedsend +243 common mq_timedreceive sys_mq_timedreceive +244 64 mq_notify sys_mq_notify +245 common mq_getsetattr sys_mq_getsetattr +246 64 kexec_load sys_kexec_load +247 64 waitid sys_waitid +248 common add_key sys_add_key +249 common request_key sys_request_key +250 common keyctl sys_keyctl +251 common ioprio_set sys_ioprio_set +252 common ioprio_get sys_ioprio_get +253 common inotify_init sys_inotify_init +254 common inotify_add_watch sys_inotify_add_watch +255 common inotify_rm_watch sys_inotify_rm_watch +256 common migrate_pages sys_migrate_pages +257 common openat sys_openat +258 common mkdirat sys_mkdirat +259 common mknodat sys_mknodat +260 common fchownat sys_fchownat +261 common futimesat sys_futimesat +262 common newfstatat sys_newfstatat +263 common unlinkat sys_unlinkat +264 common renameat sys_renameat +265 common linkat sys_linkat +266 common symlinkat sys_symlinkat +267 common readlinkat sys_readlinkat +268 common fchmodat sys_fchmodat +269 common faccessat sys_faccessat +270 common pselect6 sys_pselect6 +271 common ppoll sys_ppoll +272 common unshare sys_unshare +273 64 set_robust_list sys_set_robust_list +274 64 get_robust_list sys_get_robust_list +275 common splice sys_splice +276 common tee sys_tee +277 common sync_file_range sys_sync_file_range +278 64 vmsplice sys_vmsplice +279 64 move_pages sys_move_pages +280 common utimensat sys_utimensat +281 common epoll_pwait sys_epoll_pwait +282 common signalfd sys_signalfd +283 common timerfd_create sys_timerfd_create +284 common eventfd sys_eventfd +285 common fallocate sys_fallocate +286 common timerfd_settime sys_timerfd_settime +287 common timerfd_gettime sys_timerfd_gettime +288 common accept4 sys_accept4 +289 common signalfd4 sys_signalfd4 +290 common eventfd2 sys_eventfd2 +291 common epoll_create1 sys_epoll_create1 +292 common dup3 sys_dup3 +293 common pipe2 sys_pipe2 +294 common inotify_init1 sys_inotify_init1 +295 64 preadv sys_preadv +296 64 pwritev sys_pwritev +297 64 rt_tgsigqueueinfo sys_rt_tgsigqueueinfo +298 common perf_event_open sys_perf_event_open +299 64 recvmmsg sys_recvmmsg +300 common fanotify_init sys_fanotify_init +301 common fanotify_mark sys_fanotify_mark +302 common prlimit64 sys_prlimit64 +303 common name_to_handle_at sys_name_to_handle_at +304 common open_by_handle_at sys_open_by_handle_at +305 common clock_adjtime sys_clock_adjtime +306 common syncfs sys_syncfs +307 64 sendmmsg sys_sendmmsg +308 common setns sys_setns +309 common getcpu sys_getcpu +310 64 process_vm_readv sys_process_vm_readv +311 64 process_vm_writev sys_process_vm_writev +312 common kcmp sys_kcmp +313 common finit_module sys_finit_module +314 common sched_setattr sys_sched_setattr +315 common sched_getattr sys_sched_getattr +316 common renameat2 sys_renameat2 +317 common seccomp sys_seccomp +318 common getrandom sys_getrandom +319 common memfd_create sys_memfd_create +320 common kexec_file_load sys_kexec_file_load +321 common bpf sys_bpf +322 64 execveat sys_execveat +323 common userfaultfd sys_userfaultfd +324 common membarrier sys_membarrier +325 common mlock2 sys_mlock2 +326 common copy_file_range sys_copy_file_range +327 64 preadv2 sys_preadv2 +328 64 pwritev2 sys_pwritev2 +329 common pkey_mprotect sys_pkey_mprotect +330 common pkey_alloc sys_pkey_alloc +331 common pkey_free sys_pkey_free +332 common statx sys_statx +333 common io_pgetevents sys_io_pgetevents +334 common rseq sys_rseq # don't use numbers 387 through 423, add new calls after the last # 'common' entry -424 common pidfd_send_signal __x64_sys_pidfd_send_signal -425 common io_uring_setup __x64_sys_io_uring_setup -426 common io_uring_enter __x64_sys_io_uring_enter -427 common io_uring_register __x64_sys_io_uring_register -428 common open_tree __x64_sys_open_tree -429 common move_mount __x64_sys_move_mount -430 common fsopen __x64_sys_fsopen -431 common fsconfig __x64_sys_fsconfig -432 common fsmount __x64_sys_fsmount -433 common fspick __x64_sys_fspick -434 common pidfd_open __x64_sys_pidfd_open -435 common clone3 __x64_sys_clone3/ptregs -437 common openat2 __x64_sys_openat2 -438 common pidfd_getfd __x64_sys_pidfd_getfd +424 common pidfd_send_signal sys_pidfd_send_signal +425 common io_uring_setup sys_io_uring_setup +426 common io_uring_enter sys_io_uring_enter +427 common io_uring_register sys_io_uring_register +428 common open_tree sys_open_tree +429 common move_mount sys_move_mount +430 common fsopen sys_fsopen +431 common fsconfig sys_fsconfig +432 common fsmount sys_fsmount +433 common fspick sys_fspick +434 common pidfd_open sys_pidfd_open +435 common clone3 sys_clone3 +437 common openat2 sys_openat2 +438 common pidfd_getfd sys_pidfd_getfd # # x32-specific system call numbers start at 512 to avoid cache impact @@ -366,39 +366,39 @@ # on-the-fly for compat_sys_*() compatibility system calls if X86_X32 # is defined. # -512 x32 rt_sigaction __x32_compat_sys_rt_sigaction -513 x32 rt_sigreturn sys32_x32_rt_sigreturn -514 x32 ioctl __x32_compat_sys_ioctl -515 x32 readv __x32_compat_sys_readv -516 x32 writev __x32_compat_sys_writev -517 x32 recvfrom __x32_compat_sys_recvfrom -518 x32 sendmsg __x32_compat_sys_sendmsg -519 x32 recvmsg __x32_compat_sys_recvmsg -520 x32 execve __x32_compat_sys_execve/ptregs -521 x32 ptrace __x32_compat_sys_ptrace -522 x32 rt_sigpending __x32_compat_sys_rt_sigpending -523 x32 rt_sigtimedwait __x32_compat_sys_rt_sigtimedwait_time64 -524 x32 rt_sigqueueinfo __x32_compat_sys_rt_sigqueueinfo -525 x32 sigaltstack __x32_compat_sys_sigaltstack -526 x32 timer_create __x32_compat_sys_timer_create -527 x32 mq_notify __x32_compat_sys_mq_notify -528 x32 kexec_load __x32_compat_sys_kexec_load -529 x32 waitid __x32_compat_sys_waitid -530 x32 set_robust_list __x32_compat_sys_set_robust_list -531 x32 get_robust_list __x32_compat_sys_get_robust_list -532 x32 vmsplice __x32_compat_sys_vmsplice -533 x32 move_pages __x32_compat_sys_move_pages -534 x32 preadv __x32_compat_sys_preadv64 -535 x32 pwritev __x32_compat_sys_pwritev64 -536 x32 rt_tgsigqueueinfo __x32_compat_sys_rt_tgsigqueueinfo -537 x32 recvmmsg __x32_compat_sys_recvmmsg_time64 -538 x32 sendmmsg __x32_compat_sys_sendmmsg -539 x32 process_vm_readv __x32_compat_sys_process_vm_readv -540 x32 process_vm_writev __x32_compat_sys_process_vm_writev -541 x32 setsockopt __x32_compat_sys_setsockopt -542 x32 getsockopt __x32_compat_sys_getsockopt -543 x32 io_setup __x32_compat_sys_io_setup -544 x32 io_submit __x32_compat_sys_io_submit -545 x32 execveat __x32_compat_sys_execveat/ptregs -546 x32 preadv2 __x32_compat_sys_preadv64v2 -547 x32 pwritev2 __x32_compat_sys_pwritev64v2 +512 x32 rt_sigaction compat_sys_rt_sigaction +513 x32 rt_sigreturn compat_sys_x32_rt_sigreturn +514 x32 ioctl compat_sys_ioctl +515 x32 readv compat_sys_readv +516 x32 writev compat_sys_writev +517 x32 recvfrom compat_sys_recvfrom +518 x32 sendmsg compat_sys_sendmsg +519 x32 recvmsg compat_sys_recvmsg +520 x32 execve compat_sys_execve +521 x32 ptrace compat_sys_ptrace +522 x32 rt_sigpending compat_sys_rt_sigpending +523 x32 rt_sigtimedwait compat_sys_rt_sigtimedwait_time64 +524 x32 rt_sigqueueinfo compat_sys_rt_sigqueueinfo +525 x32 sigaltstack compat_sys_sigaltstack +526 x32 timer_create compat_sys_timer_create +527 x32 mq_notify compat_sys_mq_notify +528 x32 kexec_load compat_sys_kexec_load +529 x32 waitid compat_sys_waitid +530 x32 set_robust_list compat_sys_set_robust_list +531 x32 get_robust_list compat_sys_get_robust_list +532 x32 vmsplice compat_sys_vmsplice +533 x32 move_pages compat_sys_move_pages +534 x32 preadv compat_sys_preadv64 +535 x32 pwritev compat_sys_pwritev64 +536 x32 rt_tgsigqueueinfo compat_sys_rt_tgsigqueueinfo +537 x32 recvmmsg compat_sys_recvmmsg_time64 +538 x32 sendmmsg compat_sys_sendmmsg +539 x32 process_vm_readv compat_sys_process_vm_readv +540 x32 process_vm_writev compat_sys_process_vm_writev +541 x32 setsockopt compat_sys_setsockopt +542 x32 getsockopt compat_sys_getsockopt +543 x32 io_setup compat_sys_io_setup +544 x32 io_submit compat_sys_io_submit +545 x32 execveat compat_sys_execveat +546 x32 preadv2 compat_sys_preadv64v2 +547 x32 pwritev2 compat_sys_pwritev64v2 diff --git a/arch/x86/entry/syscalls/syscallhdr.sh b/arch/x86/entry/syscalls/syscallhdr.sh index 12fbbcfe7ef3..cc1e63857427 100644 --- a/arch/x86/entry/syscalls/syscallhdr.sh +++ b/arch/x86/entry/syscalls/syscallhdr.sh @@ -15,14 +15,21 @@ grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | ( echo "#define ${fileguard} 1" echo "" + max=0 while read nr abi name entry ; do if [ -z "$offset" ]; then echo "#define __NR_${prefix}${name} $nr" else echo "#define __NR_${prefix}${name} ($offset + $nr)" fi + + max=$nr done echo "" + echo "#ifdef __KERNEL__" + echo "#define __NR_${prefix}syscall_max $max" + echo "#endif" + echo "" echo "#endif /* ${fileguard} */" ) > "$out" diff --git a/arch/x86/entry/syscalls/syscalltbl.sh b/arch/x86/entry/syscalls/syscalltbl.sh index 1af2be39e7d9..929bde120d6b 100644 --- a/arch/x86/entry/syscalls/syscalltbl.sh +++ b/arch/x86/entry/syscalls/syscalltbl.sh @@ -9,15 +9,7 @@ syscall_macro() { local nr="$2" local entry="$3" - # Entry can be either just a function name or "function/qualifier" - real_entry="${entry%%/*}" - if [ "$entry" = "$real_entry" ]; then - qualifier= - else - qualifier=${entry#*/} - fi - - echo "__SYSCALL_${abi}($nr, $real_entry, $qualifier)" + echo "__SYSCALL_${abi}($nr, $entry)" } emit() { @@ -25,27 +17,15 @@ emit() { local nr="$2" local entry="$3" local compat="$4" - local umlentry="" if [ "$abi" != "I386" -a -n "$compat" ]; then echo "a compat entry ($abi: $compat) for a 64-bit syscall makes no sense" >&2 exit 1 fi - # For CONFIG_UML, we need to strip the __x64_sys prefix - if [ "$abi" = "64" -a "${entry}" != "${entry#__x64_sys}" ]; then - umlentry="sys${entry#__x64_sys}" - fi - if [ -z "$compat" ]; then - if [ -n "$entry" -a -z "$umlentry" ]; then - syscall_macro "$abi" "$nr" "$entry" - elif [ -n "$umlentry" ]; then # implies -n "$entry" - echo "#ifdef CONFIG_X86" + if [ -n "$entry" ]; then syscall_macro "$abi" "$nr" "$entry" - echo "#else /* CONFIG_UML */" - syscall_macro "$abi" "$nr" "$umlentry" - echo "#endif" fi else echo "#ifdef CONFIG_X86_32" @@ -61,24 +41,6 @@ emit() { grep '^[0-9]' "$in" | sort -n | ( while read nr abi name entry compat; do abi=`echo "$abi" | tr '[a-z]' '[A-Z]'` - if [ "$abi" = "COMMON" -o "$abi" = "64" ]; then - emit 64 "$nr" "$entry" "$compat" - if [ "$abi" = "COMMON" ]; then - # COMMON means that this syscall exists in the same form for - # 64-bit and X32. - echo "#ifdef CONFIG_X86_X32_ABI" - emit X32 "$nr" "$entry" "$compat" - echo "#endif" - fi - elif [ "$abi" = "X32" ]; then - echo "#ifdef CONFIG_X86_X32_ABI" - emit X32 "$nr" "$entry" "$compat" - echo "#endif" - elif [ "$abi" = "I386" ]; then - emit "$abi" "$nr" "$entry" "$compat" - else - echo "Unknown abi $abi" >&2 - exit 1 - fi + emit "$abi" "$nr" "$entry" "$compat" done ) > "$out" diff --git a/arch/x86/entry/thunk_32.S b/arch/x86/entry/thunk_32.S index e010d4ae11f1..3a07ce3ec70b 100644 --- a/arch/x86/entry/thunk_32.S +++ b/arch/x86/entry/thunk_32.S @@ -35,9 +35,9 @@ SYM_CODE_END(\name) #endif #ifdef CONFIG_PREEMPTION - THUNK ___preempt_schedule, preempt_schedule - THUNK ___preempt_schedule_notrace, preempt_schedule_notrace - EXPORT_SYMBOL(___preempt_schedule) - EXPORT_SYMBOL(___preempt_schedule_notrace) + THUNK preempt_schedule_thunk, preempt_schedule + THUNK preempt_schedule_notrace_thunk, preempt_schedule_notrace + EXPORT_SYMBOL(preempt_schedule_thunk) + EXPORT_SYMBOL(preempt_schedule_notrace_thunk) #endif diff --git a/arch/x86/entry/thunk_64.S b/arch/x86/entry/thunk_64.S index c5c3b6e86e62..dbe4493b534e 100644 --- a/arch/x86/entry/thunk_64.S +++ b/arch/x86/entry/thunk_64.S @@ -47,10 +47,10 @@ SYM_FUNC_END(\name) #endif #ifdef CONFIG_PREEMPTION - THUNK ___preempt_schedule, preempt_schedule - THUNK ___preempt_schedule_notrace, preempt_schedule_notrace - EXPORT_SYMBOL(___preempt_schedule) - EXPORT_SYMBOL(___preempt_schedule_notrace) + THUNK preempt_schedule_thunk, preempt_schedule + THUNK preempt_schedule_notrace_thunk, preempt_schedule_notrace + EXPORT_SYMBOL(preempt_schedule_thunk) + EXPORT_SYMBOL(preempt_schedule_notrace_thunk) #endif #if defined(CONFIG_TRACE_IRQFLAGS) \ diff --git a/arch/x86/entry/vdso/vdso32/vclock_gettime.c b/arch/x86/entry/vdso/vdso32/vclock_gettime.c index 9242b28418d5..1e82bd43286c 100644 --- a/arch/x86/entry/vdso/vdso32/vclock_gettime.c +++ b/arch/x86/entry/vdso/vdso32/vclock_gettime.c @@ -13,6 +13,7 @@ */ #undef CONFIG_64BIT #undef CONFIG_X86_64 +#undef CONFIG_COMPAT #undef CONFIG_PGTABLE_LEVELS #undef CONFIG_ILLEGAL_POINTER_VALUE #undef CONFIG_SPARSEMEM_VMEMMAP diff --git a/arch/x86/ia32/Makefile b/arch/x86/ia32/Makefile index d13b352b2aa7..8e4d0391ff6c 100644 --- a/arch/x86/ia32/Makefile +++ b/arch/x86/ia32/Makefile @@ -3,7 +3,7 @@ # Makefile for the ia32 kernel emulation subsystem. # -obj-$(CONFIG_IA32_EMULATION) := sys_ia32.o ia32_signal.o +obj-$(CONFIG_IA32_EMULATION) := ia32_signal.o obj-$(CONFIG_IA32_AOUT) += ia32_aout.o diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h index a176f6165d85..72fba0eeeb30 100644 --- a/arch/x86/include/asm/irq.h +++ b/arch/x86/include/asm/irq.h @@ -36,7 +36,7 @@ extern void native_init_IRQ(void); extern void handle_irq(struct irq_desc *desc, struct pt_regs *regs); -extern __visible unsigned int do_IRQ(struct pt_regs *regs); +extern __visible void do_IRQ(struct pt_regs *regs); extern void init_ISA_irqs(void); diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h index 9d5b09913ef3..f9cea081c05b 100644 --- a/arch/x86/include/asm/mce.h +++ b/arch/x86/include/asm/mce.h @@ -238,9 +238,6 @@ extern void mce_disable_bank(int bank); /* * Exception handler */ - -/* Call the installed machine check handler for this CPU setup. */ -extern void (*machine_check_vector)(struct pt_regs *, long error_code); void do_machine_check(struct pt_regs *, long); /* diff --git a/arch/x86/include/asm/preempt.h b/arch/x86/include/asm/preempt.h index 3d4cb83a8828..69485ca13665 100644 --- a/arch/x86/include/asm/preempt.h +++ b/arch/x86/include/asm/preempt.h @@ -103,14 +103,14 @@ static __always_inline bool should_resched(int preempt_offset) } #ifdef CONFIG_PREEMPTION - extern asmlinkage void ___preempt_schedule(void); + extern asmlinkage void preempt_schedule_thunk(void); # define __preempt_schedule() \ - asm volatile ("call ___preempt_schedule" : ASM_CALL_CONSTRAINT) + asm volatile ("call preempt_schedule_thunk" : ASM_CALL_CONSTRAINT) extern asmlinkage void preempt_schedule(void); - extern asmlinkage void ___preempt_schedule_notrace(void); + extern asmlinkage void preempt_schedule_notrace_thunk(void); # define __preempt_schedule_notrace() \ - asm volatile ("call ___preempt_schedule_notrace" : ASM_CALL_CONSTRAINT) + asm volatile ("call preempt_schedule_notrace_thunk" : ASM_CALL_CONSTRAINT) extern asmlinkage void preempt_schedule_notrace(void); #endif diff --git a/arch/x86/include/asm/sighandling.h b/arch/x86/include/asm/sighandling.h index 2fcbd6f33ef7..bd26834724e5 100644 --- a/arch/x86/include/asm/sighandling.h +++ b/arch/x86/include/asm/sighandling.h @@ -17,9 +17,4 @@ void signal_fault(struct pt_regs *regs, void __user *frame, char *where); int setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate, struct pt_regs *regs, unsigned long mask); - -#ifdef CONFIG_X86_X32_ABI -asmlinkage long sys32_x32_rt_sigreturn(void); -#endif - #endif /* _ASM_X86_SIGHANDLING_H */ diff --git a/arch/x86/include/asm/syscall.h b/arch/x86/include/asm/syscall.h index 8db3fdb6102e..643529417f74 100644 --- a/arch/x86/include/asm/syscall.h +++ b/arch/x86/include/asm/syscall.h @@ -13,23 +13,14 @@ #include <uapi/linux/audit.h> #include <linux/sched.h> #include <linux/err.h> -#include <asm/asm-offsets.h> /* For NR_syscalls */ #include <asm/thread_info.h> /* for TS_COMPAT */ #include <asm/unistd.h> -#ifdef CONFIG_X86_64 -typedef asmlinkage long (*sys_call_ptr_t)(const struct pt_regs *); -#else -typedef asmlinkage long (*sys_call_ptr_t)(unsigned long, unsigned long, - unsigned long, unsigned long, - unsigned long, unsigned long); -#endif /* CONFIG_X86_64 */ +typedef long (*sys_call_ptr_t)(const struct pt_regs *); extern const sys_call_ptr_t sys_call_table[]; #if defined(CONFIG_X86_32) #define ia32_sys_call_table sys_call_table -#define __NR_syscall_compat_max __NR_syscall_max -#define IA32_NR_syscalls NR_syscalls #endif #if defined(CONFIG_IA32_EMULATION) diff --git a/arch/x86/include/asm/syscall_wrapper.h b/arch/x86/include/asm/syscall_wrapper.h index e2389ce9bf58..a84333adeef2 100644 --- a/arch/x86/include/asm/syscall_wrapper.h +++ b/arch/x86/include/asm/syscall_wrapper.h @@ -8,6 +8,50 @@ struct pt_regs; +extern long __x64_sys_ni_syscall(const struct pt_regs *regs); +extern long __ia32_sys_ni_syscall(const struct pt_regs *regs); + +/* + * Instead of the generic __SYSCALL_DEFINEx() definition, the x86 version takes + * struct pt_regs *regs as the only argument of the syscall stub(s) named as: + * __x64_sys_*() - 64-bit native syscall + * __ia32_sys_*() - 32-bit native syscall or common compat syscall + * __ia32_compat_sys_*() - 32-bit compat syscall + * __x32_compat_sys_*() - 64-bit X32 compat syscall + * + * The registers are decoded according to the ABI: + * 64-bit: RDI, RSI, RDX, R10, R8, R9 + * 32-bit: EBX, ECX, EDX, ESI, EDI, EBP + * + * The stub then passes the decoded arguments to the __se_sys_*() wrapper to + * perform sign-extension (omitted for zero-argument syscalls). Finally the + * arguments are passed to the __do_sys_*() function which is the actual + * syscall. These wrappers are marked as inline so the compiler can optimize + * the functions where appropriate. + * + * Example assembly (slightly re-ordered for better readability): + * + * <__x64_sys_recv>: <-- syscall with 4 parameters + * callq <__fentry__> + * + * mov 0x70(%rdi),%rdi <-- decode regs->di + * mov 0x68(%rdi),%rsi <-- decode regs->si + * mov 0x60(%rdi),%rdx <-- decode regs->dx + * mov 0x38(%rdi),%rcx <-- decode regs->r10 + * + * xor %r9d,%r9d <-- clear %r9 + * xor %r8d,%r8d <-- clear %r8 + * + * callq __sys_recvfrom <-- do the actual work in __sys_recvfrom() + * which takes 6 arguments + * + * cltq <-- extend return value to 64-bit + * retq <-- return + * + * This approach avoids leaking random user-provided register content down + * the call chain. + */ + /* Mapping of registers to parameters for syscalls on x86-64 and x32 */ #define SC_X86_64_REGS_TO_ARGS(x, ...) \ __MAP(x,__SC_ARGS \ @@ -21,68 +65,96 @@ struct pt_regs; ,,(unsigned int)regs->dx,,(unsigned int)regs->si \ ,,(unsigned int)regs->di,,(unsigned int)regs->bp) -#ifdef CONFIG_IA32_EMULATION -/* - * For IA32 emulation, we need to handle "compat" syscalls *and* create - * additional wrappers (aptly named __ia32_sys_xyzzy) which decode the - * ia32 regs in the proper order for shared or "common" syscalls. As some - * syscalls may not be implemented, we need to expand COND_SYSCALL in - * kernel/sys_ni.c and SYS_NI in kernel/time/posix-stubs.c to cover this - * case as well. - */ -#define __IA32_COMPAT_SYS_STUB0(x, name) \ - asmlinkage long __ia32_compat_sys_##name(const struct pt_regs *regs);\ - ALLOW_ERROR_INJECTION(__ia32_compat_sys_##name, ERRNO); \ - asmlinkage long __ia32_compat_sys_##name(const struct pt_regs *regs)\ +#define __SYS_STUB0(abi, name) \ + long __##abi##_##name(const struct pt_regs *regs); \ + ALLOW_ERROR_INJECTION(__##abi##_##name, ERRNO); \ + long __##abi##_##name(const struct pt_regs *regs) \ + __alias(__do_##name); + +#define __SYS_STUBx(abi, name, ...) \ + long __##abi##_##name(const struct pt_regs *regs); \ + ALLOW_ERROR_INJECTION(__##abi##_##name, ERRNO); \ + long __##abi##_##name(const struct pt_regs *regs) \ { \ - return __se_compat_sys_##name(); \ + return __se_##name(__VA_ARGS__); \ } -#define __IA32_COMPAT_SYS_STUBx(x, name, ...) \ - asmlinkage long __ia32_compat_sys##name(const struct pt_regs *regs);\ - ALLOW_ERROR_INJECTION(__ia32_compat_sys##name, ERRNO); \ - asmlinkage long __ia32_compat_sys##name(const struct pt_regs *regs)\ +#define __COND_SYSCALL(abi, name) \ + __weak long __##abi##_##name(const struct pt_regs *__unused) \ { \ - return __se_compat_sys##name(SC_IA32_REGS_TO_ARGS(x,__VA_ARGS__));\ + return sys_ni_syscall(); \ } +#define __SYS_NI(abi, name) \ + SYSCALL_ALIAS(__##abi##_##name, sys_ni_posix_timers); + +#ifdef CONFIG_X86_64 +#define __X64_SYS_STUB0(name) \ + __SYS_STUB0(x64, sys_##name) + +#define __X64_SYS_STUBx(x, name, ...) \ + __SYS_STUBx(x64, sys##name, \ + SC_X86_64_REGS_TO_ARGS(x, __VA_ARGS__)) + +#define __X64_COND_SYSCALL(name) \ + __COND_SYSCALL(x64, sys_##name) + +#define __X64_SYS_NI(name) \ + __SYS_NI(x64, sys_##name) +#else /* CONFIG_X86_64 */ +#define __X64_SYS_STUB0(name) +#define __X64_SYS_STUBx(x, name, ...) +#define __X64_COND_SYSCALL(name) +#define __X64_SYS_NI(name) +#endif /* CONFIG_X86_64 */ + +#if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION) +#define __IA32_SYS_STUB0(name) \ + __SYS_STUB0(ia32, sys_##name) + #define __IA32_SYS_STUBx(x, name, ...) \ - asmlinkage long __ia32_sys##name(const struct pt_regs *regs); \ - ALLOW_ERROR_INJECTION(__ia32_sys##name, ERRNO); \ - asmlinkage long __ia32_sys##name(const struct pt_regs *regs) \ - { \ - return __se_sys##name(SC_IA32_REGS_TO_ARGS(x,__VA_ARGS__));\ - } + __SYS_STUBx(ia32, sys##name, \ + SC_IA32_REGS_TO_ARGS(x, __VA_ARGS__)) + +#define __IA32_COND_SYSCALL(name) \ + __COND_SYSCALL(ia32, sys_##name) +#define __IA32_SYS_NI(name) \ + __SYS_NI(ia32, sys_##name) +#else /* CONFIG_X86_32 || CONFIG_IA32_EMULATION */ +#define __IA32_SYS_STUB0(name) +#define __IA32_SYS_STUBx(x, name, ...) +#define __IA32_COND_SYSCALL(name) +#define __IA32_SYS_NI(name) +#endif /* CONFIG_X86_32 || CONFIG_IA32_EMULATION */ + +#ifdef CONFIG_IA32_EMULATION /* - * To keep the naming coherent, re-define SYSCALL_DEFINE0 to create an alias - * named __ia32_sys_*() + * For IA32 emulation, we need to handle "compat" syscalls *and* create + * additional wrappers (aptly named __ia32_sys_xyzzy) which decode the + * ia32 regs in the proper order for shared or "common" syscalls. As some + * syscalls may not be implemented, we need to expand COND_SYSCALL in + * kernel/sys_ni.c and SYS_NI in kernel/time/posix-stubs.c to cover this + * case as well. */ +#define __IA32_COMPAT_SYS_STUB0(name) \ + __SYS_STUB0(ia32, compat_sys_##name) -#define SYSCALL_DEFINE0(sname) \ - SYSCALL_METADATA(_##sname, 0); \ - asmlinkage long __x64_sys_##sname(const struct pt_regs *__unused);\ - ALLOW_ERROR_INJECTION(__x64_sys_##sname, ERRNO); \ - SYSCALL_ALIAS(__ia32_sys_##sname, __x64_sys_##sname); \ - asmlinkage long __x64_sys_##sname(const struct pt_regs *__unused) +#define __IA32_COMPAT_SYS_STUBx(x, name, ...) \ + __SYS_STUBx(ia32, compat_sys##name, \ + SC_IA32_REGS_TO_ARGS(x, __VA_ARGS__)) -#define COND_SYSCALL(name) \ - asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ - { \ - return sys_ni_syscall(); \ - } \ - asmlinkage __weak long __ia32_sys_##name(const struct pt_regs *__unused)\ - { \ - return sys_ni_syscall(); \ - } +#define __IA32_COMPAT_COND_SYSCALL(name) \ + __COND_SYSCALL(ia32, compat_sys_##name) -#define SYS_NI(name) \ - SYSCALL_ALIAS(__x64_sys_##name, sys_ni_posix_timers); \ - SYSCALL_ALIAS(__ia32_sys_##name, sys_ni_posix_timers) +#define __IA32_COMPAT_SYS_NI(name) \ + __SYS_NI(ia32, compat_sys_##name) #else /* CONFIG_IA32_EMULATION */ +#define __IA32_COMPAT_SYS_STUB0(name) #define __IA32_COMPAT_SYS_STUBx(x, name, ...) -#define __IA32_SYS_STUBx(x, fullname, name, ...) +#define __IA32_COMPAT_COND_SYSCALL(name) +#define __IA32_COMPAT_SYS_NI(name) #endif /* CONFIG_IA32_EMULATION */ @@ -92,25 +164,23 @@ struct pt_regs; * of the x86-64-style parameter ordering of x32 syscalls. The syscalls common * with x86_64 obviously do not need such care. */ -#define __X32_COMPAT_SYS_STUB0(x, name, ...) \ - asmlinkage long __x32_compat_sys_##name(const struct pt_regs *regs);\ - ALLOW_ERROR_INJECTION(__x32_compat_sys_##name, ERRNO); \ - asmlinkage long __x32_compat_sys_##name(const struct pt_regs *regs)\ - { \ - return __se_compat_sys_##name();\ - } +#define __X32_COMPAT_SYS_STUB0(name) \ + __SYS_STUB0(x32, compat_sys_##name) #define __X32_COMPAT_SYS_STUBx(x, name, ...) \ - asmlinkage long __x32_compat_sys##name(const struct pt_regs *regs);\ - ALLOW_ERROR_INJECTION(__x32_compat_sys##name, ERRNO); \ - asmlinkage long __x32_compat_sys##name(const struct pt_regs *regs)\ - { \ - return __se_compat_sys##name(SC_X86_64_REGS_TO_ARGS(x,__VA_ARGS__));\ - } + __SYS_STUBx(x32, compat_sys##name, \ + SC_X86_64_REGS_TO_ARGS(x, __VA_ARGS__)) + +#define __X32_COMPAT_COND_SYSCALL(name) \ + __COND_SYSCALL(x32, compat_sys_##name) +#define __X32_COMPAT_SYS_NI(name) \ + __SYS_NI(x32, compat_sys_##name) #else /* CONFIG_X86_X32 */ -#define __X32_COMPAT_SYS_STUB0(x, name) +#define __X32_COMPAT_SYS_STUB0(name) #define __X32_COMPAT_SYS_STUBx(x, name, ...) +#define __X32_COMPAT_COND_SYSCALL(name) +#define __X32_COMPAT_SYS_NI(name) #endif /* CONFIG_X86_X32 */ @@ -121,15 +191,12 @@ struct pt_regs; * of them. */ #define COMPAT_SYSCALL_DEFINE0(name) \ - static long __se_compat_sys_##name(void); \ - static inline long __do_compat_sys_##name(void); \ - __IA32_COMPAT_SYS_STUB0(x, name) \ - __X32_COMPAT_SYS_STUB0(x, name) \ - static long __se_compat_sys_##name(void) \ - { \ - return __do_compat_sys_##name(); \ - } \ - static inline long __do_compat_sys_##name(void) + static long \ + __do_compat_sys_##name(const struct pt_regs *__unused); \ + __IA32_COMPAT_SYS_STUB0(name) \ + __X32_COMPAT_SYS_STUB0(name) \ + static long \ + __do_compat_sys_##name(const struct pt_regs *__unused) #define COMPAT_SYSCALL_DEFINEx(x, name, ...) \ static long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \ @@ -148,58 +215,19 @@ struct pt_regs; * kernel/time/posix-stubs.c to cover this case as well. */ #define COND_SYSCALL_COMPAT(name) \ - cond_syscall(__ia32_compat_sys_##name); \ - cond_syscall(__x32_compat_sys_##name) + __IA32_COMPAT_COND_SYSCALL(name) \ + __X32_COMPAT_COND_SYSCALL(name) #define COMPAT_SYS_NI(name) \ - SYSCALL_ALIAS(__ia32_compat_sys_##name, sys_ni_posix_timers); \ - SYSCALL_ALIAS(__x32_compat_sys_##name, sys_ni_posix_timers) + __IA32_COMPAT_SYS_NI(name) \ + __X32_COMPAT_SYS_NI(name) #endif /* CONFIG_COMPAT */ - -/* - * Instead of the generic __SYSCALL_DEFINEx() definition, this macro takes - * struct pt_regs *regs as the only argument of the syscall stub named - * __x64_sys_*(). It decodes just the registers it needs and passes them on to - * the __se_sys_*() wrapper performing sign extension and then to the - * __do_sys_*() function doing the actual job. These wrappers and functions - * are inlined (at least in very most cases), meaning that the assembly looks - * as follows (slightly re-ordered for better readability): - * - * <__x64_sys_recv>: <-- syscall with 4 parameters - * callq <__fentry__> - * - * mov 0x70(%rdi),%rdi <-- decode regs->di - * mov 0x68(%rdi),%rsi <-- decode regs->si - * mov 0x60(%rdi),%rdx <-- decode regs->dx - * mov 0x38(%rdi),%rcx <-- decode regs->r10 - * - * xor %r9d,%r9d <-- clear %r9 - * xor %r8d,%r8d <-- clear %r8 - * - * callq __sys_recvfrom <-- do the actual work in __sys_recvfrom() - * which takes 6 arguments - * - * cltq <-- extend return value to 64-bit - * retq <-- return - * - * This approach avoids leaking random user-provided register content down - * the call chain. - * - * If IA32_EMULATION is enabled, this macro generates an additional wrapper - * named __ia32_sys_*() which decodes the struct pt_regs *regs according - * to the i386 calling convention (bx, cx, dx, si, di, bp). - */ #define __SYSCALL_DEFINEx(x, name, ...) \ - asmlinkage long __x64_sys##name(const struct pt_regs *regs); \ - ALLOW_ERROR_INJECTION(__x64_sys##name, ERRNO); \ static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \ static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\ - asmlinkage long __x64_sys##name(const struct pt_regs *regs) \ - { \ - return __se_sys##name(SC_X86_64_REGS_TO_ARGS(x,__VA_ARGS__));\ - } \ + __X64_SYS_STUBx(x, name, __VA_ARGS__) \ __IA32_SYS_STUBx(x, name, __VA_ARGS__) \ static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \ { \ @@ -217,33 +245,28 @@ struct pt_regs; * SYSCALL_DEFINEx() -- which is essential for the COND_SYSCALL() and SYS_NI() * macros to work correctly. */ -#ifndef SYSCALL_DEFINE0 #define SYSCALL_DEFINE0(sname) \ SYSCALL_METADATA(_##sname, 0); \ - asmlinkage long __x64_sys_##sname(const struct pt_regs *__unused);\ - ALLOW_ERROR_INJECTION(__x64_sys_##sname, ERRNO); \ - asmlinkage long __x64_sys_##sname(const struct pt_regs *__unused) -#endif - -#ifndef COND_SYSCALL -#define COND_SYSCALL(name) \ - asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ - { \ - return sys_ni_syscall(); \ - } -#endif + static long __do_sys_##sname(const struct pt_regs *__unused); \ + __X64_SYS_STUB0(sname) \ + __IA32_SYS_STUB0(sname) \ + static long __do_sys_##sname(const struct pt_regs *__unused) + +#define COND_SYSCALL(name) \ + __X64_COND_SYSCALL(name) \ + __IA32_COND_SYSCALL(name) -#ifndef SYS_NI -#define SYS_NI(name) SYSCALL_ALIAS(__x64_sys_##name, sys_ni_posix_timers); -#endif +#define SYS_NI(name) \ + __X64_SYS_NI(name) \ + __IA32_SYS_NI(name) /* * For VSYSCALLS, we need to declare these three syscalls with the new * pt_regs-based calling convention for in-kernel use. */ -asmlinkage long __x64_sys_getcpu(const struct pt_regs *regs); -asmlinkage long __x64_sys_gettimeofday(const struct pt_regs *regs); -asmlinkage long __x64_sys_time(const struct pt_regs *regs); +long __x64_sys_getcpu(const struct pt_regs *regs); +long __x64_sys_gettimeofday(const struct pt_regs *regs); +long __x64_sys_time(const struct pt_regs *regs); #endif /* _ASM_X86_SYSCALL_WRAPPER_H */ diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h index 91b7b6e1a115..6714a358235d 100644 --- a/arch/x86/include/asm/syscalls.h +++ b/arch/x86/include/asm/syscalls.h @@ -8,42 +8,8 @@ #ifndef _ASM_X86_SYSCALLS_H #define _ASM_X86_SYSCALLS_H -#include <linux/compiler.h> -#include <linux/linkage.h> -#include <linux/signal.h> -#include <linux/types.h> - /* Common in X86_32 and X86_64 */ /* kernel/ioport.c */ long ksys_ioperm(unsigned long from, unsigned long num, int turn_on); -#ifdef CONFIG_X86_32 -/* - * These definitions are only valid on pure 32-bit systems; x86-64 uses a - * different syscall calling convention - */ -asmlinkage long sys_ioperm(unsigned long, unsigned long, int); -asmlinkage long sys_iopl(unsigned int); - -/* kernel/ldt.c */ -asmlinkage long sys_modify_ldt(int, void __user *, unsigned long); - -/* kernel/signal.c */ -asmlinkage long sys_rt_sigreturn(void); - -/* kernel/tls.c */ -asmlinkage long sys_set_thread_area(struct user_desc __user *); -asmlinkage long sys_get_thread_area(struct user_desc __user *); - -/* X86_32 only */ - -/* kernel/signal.c */ -asmlinkage long sys_sigreturn(void); - -/* kernel/vm86_32.c */ -struct vm86_struct; -asmlinkage long sys_vm86old(struct vm86_struct __user *); -asmlinkage long sys_vm86(unsigned long, unsigned long); - -#endif /* CONFIG_X86_32 */ #endif /* _ASM_X86_SYSCALLS_H */ diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h index ffa0dc8a535e..c26a7e1d8a2c 100644 --- a/arch/x86/include/asm/traps.h +++ b/arch/x86/include/asm/traps.h @@ -76,27 +76,24 @@ dotraplinkage void do_coprocessor_segment_overrun(struct pt_regs *regs, long err dotraplinkage void do_invalid_TSS(struct pt_regs *regs, long error_code); dotraplinkage void do_segment_not_present(struct pt_regs *regs, long error_code); dotraplinkage void do_stack_segment(struct pt_regs *regs, long error_code); -#ifdef CONFIG_X86_64 -dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code, unsigned long address); -asmlinkage __visible notrace struct pt_regs *sync_regs(struct pt_regs *eregs); -asmlinkage __visible notrace -struct bad_iret_stack *fixup_bad_iret(struct bad_iret_stack *s); -void __init trap_init(void); -#endif dotraplinkage void do_general_protection(struct pt_regs *regs, long error_code); dotraplinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code, unsigned long address); dotraplinkage void do_spurious_interrupt_bug(struct pt_regs *regs, long error_code); dotraplinkage void do_coprocessor_error(struct pt_regs *regs, long error_code); dotraplinkage void do_alignment_check(struct pt_regs *regs, long error_code); -#ifdef CONFIG_X86_MCE -dotraplinkage void do_machine_check(struct pt_regs *regs, long error_code); -#endif dotraplinkage void do_simd_coprocessor_error(struct pt_regs *regs, long error_code); #ifdef CONFIG_X86_32 dotraplinkage void do_iret_error(struct pt_regs *regs, long error_code); #endif dotraplinkage void do_mce(struct pt_regs *regs, long error_code); +#ifdef CONFIG_X86_64 +asmlinkage __visible notrace struct pt_regs *sync_regs(struct pt_regs *eregs); +asmlinkage __visible notrace +struct bad_iret_stack *fixup_bad_iret(struct bad_iret_stack *s); +void __init trap_init(void); +#endif + static inline int get_si_code(unsigned long condition) { if (condition & DR_STEP) diff --git a/arch/x86/include/asm/unistd.h b/arch/x86/include/asm/unistd.h index a7dd080749ce..c1c3d31b15c0 100644 --- a/arch/x86/include/asm/unistd.h +++ b/arch/x86/include/asm/unistd.h @@ -13,10 +13,13 @@ # define __ARCH_WANT_SYS_OLD_MMAP # define __ARCH_WANT_SYS_OLD_SELECT +# define __NR_ia32_syscall_max __NR_syscall_max + # else # include <asm/unistd_64.h> # include <asm/unistd_64_x32.h> +# include <asm/unistd_32_ia32.h> # define __ARCH_WANT_SYS_TIME # define __ARCH_WANT_SYS_UTIME # define __ARCH_WANT_COMPAT_SYS_PREADV64 @@ -26,6 +29,10 @@ # endif +# define NR_syscalls (__NR_syscall_max + 1) +# define X32_NR_syscalls (__NR_x32_syscall_max + 1) +# define IA32_NR_syscalls (__NR_ia32_syscall_max + 1) + # define __ARCH_WANT_NEW_STAT # define __ARCH_WANT_OLD_READDIR # define __ARCH_WANT_OLD_STAT diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index 8be5926cce51..bb5abfef0256 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -52,6 +52,8 @@ obj-y += setup.o x86_init.o i8259.o irqinit.o obj-$(CONFIG_JUMP_LABEL) += jump_label.o obj-$(CONFIG_IRQ_WORK) += irq_work.o obj-y += probe_roms.o +obj-$(CONFIG_X86_32) += sys_ia32.o +obj-$(CONFIG_IA32_EMULATION) += sys_ia32.o obj-$(CONFIG_X86_64) += sys_x86_64.o obj-$(CONFIG_X86_ESPFIX64) += espfix_64.o obj-$(CONFIG_SYSFS) += ksysfs.o diff --git a/arch/x86/kernel/asm-offsets_32.c b/arch/x86/kernel/asm-offsets_32.c index 2b4256ebe86e..6e043f295a60 100644 --- a/arch/x86/kernel/asm-offsets_32.c +++ b/arch/x86/kernel/asm-offsets_32.c @@ -7,11 +7,6 @@ #include <asm/ucontext.h> -#define __SYSCALL_I386(nr, sym, qual) [nr] = 1, -static char syscalls[] = { -#include <asm/syscalls_32.h> -}; - /* workaround for a warning with -Wmissing-prototypes */ void foo(void); @@ -64,9 +59,5 @@ void foo(void) #endif BLANK(); - DEFINE(__NR_syscall_max, sizeof(syscalls) - 1); - DEFINE(NR_syscalls, sizeof(syscalls)); - - BLANK(); DEFINE(EFI_svam, offsetof(efi_runtime_services_t, set_virtual_address_map)); } diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c index 24d2fde30d00..c2a47016f243 100644 --- a/arch/x86/kernel/asm-offsets_64.c +++ b/arch/x86/kernel/asm-offsets_64.c @@ -5,30 +5,6 @@ #include <asm/ia32.h> -#define __SYSCALL_64(nr, sym, qual) [nr] = 1, -#define __SYSCALL_X32(nr, sym, qual) -static char syscalls_64[] = { -#include <asm/syscalls_64.h> -}; -#undef __SYSCALL_64 -#undef __SYSCALL_X32 - -#ifdef CONFIG_X86_X32_ABI -#define __SYSCALL_64(nr, sym, qual) -#define __SYSCALL_X32(nr, sym, qual) [nr] = 1, -static char syscalls_x32[] = { -#include <asm/syscalls_64.h> -}; -#undef __SYSCALL_64 -#undef __SYSCALL_X32 -#endif - -#define __SYSCALL_I386(nr, sym, qual) [nr] = 1, -static char syscalls_ia32[] = { -#include <asm/syscalls_32.h> -}; -#undef __SYSCALL_I386 - #if defined(CONFIG_KVM_GUEST) && defined(CONFIG_PARAVIRT_SPINLOCKS) #include <asm/kvm_para.h> #endif @@ -90,17 +66,5 @@ int main(void) DEFINE(stack_canary_offset, offsetof(struct fixed_percpu_data, stack_canary)); BLANK(); #endif - - DEFINE(__NR_syscall_max, sizeof(syscalls_64) - 1); - DEFINE(NR_syscalls, sizeof(syscalls_64)); - -#ifdef CONFIG_X86_X32_ABI - DEFINE(__NR_syscall_x32_max, sizeof(syscalls_x32) - 1); - DEFINE(X32_NR_syscalls, sizeof(syscalls_x32)); -#endif - - DEFINE(__NR_syscall_compat_max, sizeof(syscalls_ia32) - 1); - DEFINE(IA32_NR_syscalls, sizeof(syscalls_ia32)); - return 0; } diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c index dd06fce537fc..54165f3569e8 100644 --- a/arch/x86/kernel/cpu/mce/core.c +++ b/arch/x86/kernel/cpu/mce/core.c @@ -1215,8 +1215,14 @@ static void __mc_scan_banks(struct mce *m, struct mce *final, * On Intel systems this is entered on all CPUs in parallel through * MCE broadcast. However some CPUs might be broken beyond repair, * so be always careful when synchronizing with others. + * + * Tracing and kprobes are disabled: if we interrupted a kernel context + * with IF=1, we need to minimize stack usage. There are also recursion + * issues: if the machine check was due to a failure of the memory + * backing the user stack, tracing that reads the user stack will cause + * potentially infinite recursion. */ -void do_machine_check(struct pt_regs *regs, long error_code) +void notrace do_machine_check(struct pt_regs *regs, long error_code) { DECLARE_BITMAP(valid_banks, MAX_NR_BANKS); DECLARE_BITMAP(toclear, MAX_NR_BANKS); @@ -1362,6 +1368,7 @@ out_ist: ist_exit(regs); } EXPORT_SYMBOL_GPL(do_machine_check); +NOKPROBE_SYMBOL(do_machine_check); #ifndef CONFIG_MEMORY_FAILURE int memory_failure(unsigned long pfn, int flags) @@ -1896,10 +1903,11 @@ static void unexpected_machine_check(struct pt_regs *regs, long error_code) void (*machine_check_vector)(struct pt_regs *, long error_code) = unexpected_machine_check; -dotraplinkage void do_mce(struct pt_regs *regs, long error_code) +dotraplinkage notrace void do_mce(struct pt_regs *regs, long error_code) { machine_check_vector(regs, error_code); } +NOKPROBE_SYMBOL(do_mce); /* * Called for each booted CPU to set up machine checks. diff --git a/arch/x86/kernel/cpu/mce/internal.h b/arch/x86/kernel/cpu/mce/internal.h index 97db18441d2c..3b008172ad73 100644 --- a/arch/x86/kernel/cpu/mce/internal.h +++ b/arch/x86/kernel/cpu/mce/internal.h @@ -8,6 +8,9 @@ #include <linux/device.h> #include <asm/mce.h> +/* Pointer to the installed machine check handler for this CPU setup. */ +extern void (*machine_check_vector)(struct pt_regs *, long error_code); + enum severity_level { MCE_NO_SEVERITY, MCE_DEFERRED_SEVERITY, diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index 21efee32e2b1..c7965ff429c5 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -230,7 +230,7 @@ u64 arch_irq_stat(void) * SMP cross-CPU interrupts have their own specific * handlers). */ -__visible unsigned int __irq_entry do_IRQ(struct pt_regs *regs) +__visible void __irq_entry do_IRQ(struct pt_regs *regs) { struct pt_regs *old_regs = set_irq_regs(regs); struct irq_desc * desc; @@ -263,7 +263,6 @@ __visible unsigned int __irq_entry do_IRQ(struct pt_regs *regs) exiting_irq(); set_irq_regs(old_regs); - return 1; } #ifdef CONFIG_X86_LOCAL_APIC diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c index c57e1ca70fd1..84c3ba32f211 100644 --- a/arch/x86/kernel/ldt.c +++ b/arch/x86/kernel/ldt.c @@ -27,7 +27,6 @@ #include <asm/tlb.h> #include <asm/desc.h> #include <asm/mmu_context.h> -#include <asm/syscalls.h> #include <asm/pgtable_areas.h> /* This is a multiple of PAGE_SIZE. */ diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 3053c85e0e42..8a59dae23868 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -28,7 +28,6 @@ #include <linux/hw_breakpoint.h> #include <asm/cpu.h> #include <asm/apic.h> -#include <asm/syscalls.h> #include <linux/uaccess.h> #include <asm/mwait.h> #include <asm/fpu/internal.h> diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index 5052ced43373..954b013cc585 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -49,7 +49,6 @@ #include <asm/tlbflush.h> #include <asm/cpu.h> -#include <asm/syscalls.h> #include <asm/debugreg.h> #include <asm/switch_to.h> #include <asm/vm86.h> diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index ffd497804dbc..5ef9d8f25b0e 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -48,7 +48,6 @@ #include <asm/desc.h> #include <asm/proto.h> #include <asm/ia32.h> -#include <asm/syscalls.h> #include <asm/debugreg.h> #include <asm/switch_to.h> #include <asm/xen/hypervisor.h> diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index 8a29573851a3..0364f8c3bee3 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -42,8 +42,6 @@ #endif /* CONFIG_X86_64 */ #include <asm/syscall.h> -#include <asm/syscalls.h> - #include <asm/sigframe.h> #include <asm/signal.h> @@ -859,7 +857,7 @@ void signal_fault(struct pt_regs *regs, void __user *frame, char *where) } #ifdef CONFIG_X86_X32_ABI -asmlinkage long sys32_x32_rt_sigreturn(void) +COMPAT_SYSCALL_DEFINE0(x32_rt_sigreturn) { struct pt_regs *regs = current_pt_regs(); struct rt_sigframe_x32 __user *frame; diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/kernel/sys_ia32.c index 21790307121e..ab03fede1422 100644 --- a/arch/x86/ia32/sys_ia32.c +++ b/arch/x86/kernel/sys_ia32.c @@ -51,20 +51,80 @@ #define AA(__x) ((unsigned long)(__x)) - -COMPAT_SYSCALL_DEFINE3(x86_truncate64, const char __user *, filename, - unsigned long, offset_low, unsigned long, offset_high) +SYSCALL_DEFINE3(ia32_truncate64, const char __user *, filename, + unsigned long, offset_low, unsigned long, offset_high) { return ksys_truncate(filename, ((loff_t) offset_high << 32) | offset_low); } -COMPAT_SYSCALL_DEFINE3(x86_ftruncate64, unsigned int, fd, - unsigned long, offset_low, unsigned long, offset_high) +SYSCALL_DEFINE3(ia32_ftruncate64, unsigned int, fd, + unsigned long, offset_low, unsigned long, offset_high) { return ksys_ftruncate(fd, ((loff_t) offset_high << 32) | offset_low); } +/* warning: next two assume little endian */ +SYSCALL_DEFINE5(ia32_pread64, unsigned int, fd, char __user *, ubuf, + u32, count, u32, poslo, u32, poshi) +{ + return ksys_pread64(fd, ubuf, count, + ((loff_t)AA(poshi) << 32) | AA(poslo)); +} + +SYSCALL_DEFINE5(ia32_pwrite64, unsigned int, fd, const char __user *, ubuf, + u32, count, u32, poslo, u32, poshi) +{ + return ksys_pwrite64(fd, ubuf, count, + ((loff_t)AA(poshi) << 32) | AA(poslo)); +} + + +/* + * Some system calls that need sign extended arguments. This could be + * done by a generic wrapper. + */ +SYSCALL_DEFINE6(ia32_fadvise64_64, int, fd, __u32, offset_low, + __u32, offset_high, __u32, len_low, __u32, len_high, + int, advice) +{ + return ksys_fadvise64_64(fd, + (((u64)offset_high)<<32) | offset_low, + (((u64)len_high)<<32) | len_low, + advice); +} + +SYSCALL_DEFINE4(ia32_readahead, int, fd, unsigned int, off_lo, + unsigned int, off_hi, size_t, count) +{ + return ksys_readahead(fd, ((u64)off_hi << 32) | off_lo, count); +} + +SYSCALL_DEFINE6(ia32_sync_file_range, int, fd, unsigned int, off_low, + unsigned int, off_hi, unsigned int, n_low, + unsigned int, n_hi, int, flags) +{ + return ksys_sync_file_range(fd, + ((u64)off_hi << 32) | off_low, + ((u64)n_hi << 32) | n_low, flags); +} + +SYSCALL_DEFINE5(ia32_fadvise64, int, fd, unsigned int, offset_lo, + unsigned int, offset_hi, size_t, len, int, advice) +{ + return ksys_fadvise64_64(fd, ((u64)offset_hi << 32) | offset_lo, + len, advice); +} + +SYSCALL_DEFINE6(ia32_fallocate, int, fd, int, mode, + unsigned int, offset_lo, unsigned int, offset_hi, + unsigned int, len_lo, unsigned int, len_hi) +{ + return ksys_fallocate(fd, mode, ((u64)offset_hi << 32) | offset_lo, + ((u64)len_hi << 32) | len_lo); +} + +#ifdef CONFIG_IA32_EMULATION /* * Another set for IA32/LFS -- x86_64 struct stat is different due to * support for 64bit inode numbers. @@ -97,7 +157,7 @@ static int cp_stat64(struct stat64 __user *ubuf, struct kstat *stat) return 0; } -COMPAT_SYSCALL_DEFINE2(x86_stat64, const char __user *, filename, +COMPAT_SYSCALL_DEFINE2(ia32_stat64, const char __user *, filename, struct stat64 __user *, statbuf) { struct kstat stat; @@ -108,7 +168,7 @@ COMPAT_SYSCALL_DEFINE2(x86_stat64, const char __user *, filename, return ret; } -COMPAT_SYSCALL_DEFINE2(x86_lstat64, const char __user *, filename, +COMPAT_SYSCALL_DEFINE2(ia32_lstat64, const char __user *, filename, struct stat64 __user *, statbuf) { struct kstat stat; @@ -118,7 +178,7 @@ COMPAT_SYSCALL_DEFINE2(x86_lstat64, const char __user *, filename, return ret; } -COMPAT_SYSCALL_DEFINE2(x86_fstat64, unsigned int, fd, +COMPAT_SYSCALL_DEFINE2(ia32_fstat64, unsigned int, fd, struct stat64 __user *, statbuf) { struct kstat stat; @@ -128,7 +188,7 @@ COMPAT_SYSCALL_DEFINE2(x86_fstat64, unsigned int, fd, return ret; } -COMPAT_SYSCALL_DEFINE4(x86_fstatat, unsigned int, dfd, +COMPAT_SYSCALL_DEFINE4(ia32_fstatat64, unsigned int, dfd, const char __user *, filename, struct stat64 __user *, statbuf, int, flag) { @@ -156,7 +216,7 @@ struct mmap_arg_struct32 { unsigned int offset; }; -COMPAT_SYSCALL_DEFINE1(x86_mmap, struct mmap_arg_struct32 __user *, arg) +COMPAT_SYSCALL_DEFINE1(ia32_mmap, struct mmap_arg_struct32 __user *, arg) { struct mmap_arg_struct32 a; @@ -170,70 +230,10 @@ COMPAT_SYSCALL_DEFINE1(x86_mmap, struct mmap_arg_struct32 __user *, arg) a.offset>>PAGE_SHIFT); } -/* warning: next two assume little endian */ -COMPAT_SYSCALL_DEFINE5(x86_pread, unsigned int, fd, char __user *, ubuf, - u32, count, u32, poslo, u32, poshi) -{ - return ksys_pread64(fd, ubuf, count, - ((loff_t)AA(poshi) << 32) | AA(poslo)); -} - -COMPAT_SYSCALL_DEFINE5(x86_pwrite, unsigned int, fd, const char __user *, ubuf, - u32, count, u32, poslo, u32, poshi) -{ - return ksys_pwrite64(fd, ubuf, count, - ((loff_t)AA(poshi) << 32) | AA(poslo)); -} - - -/* - * Some system calls that need sign extended arguments. This could be - * done by a generic wrapper. - */ -COMPAT_SYSCALL_DEFINE6(x86_fadvise64_64, int, fd, __u32, offset_low, - __u32, offset_high, __u32, len_low, __u32, len_high, - int, advice) -{ - return ksys_fadvise64_64(fd, - (((u64)offset_high)<<32) | offset_low, - (((u64)len_high)<<32) | len_low, - advice); -} - -COMPAT_SYSCALL_DEFINE4(x86_readahead, int, fd, unsigned int, off_lo, - unsigned int, off_hi, size_t, count) -{ - return ksys_readahead(fd, ((u64)off_hi << 32) | off_lo, count); -} - -COMPAT_SYSCALL_DEFINE6(x86_sync_file_range, int, fd, unsigned int, off_low, - unsigned int, off_hi, unsigned int, n_low, - unsigned int, n_hi, int, flags) -{ - return ksys_sync_file_range(fd, - ((u64)off_hi << 32) | off_low, - ((u64)n_hi << 32) | n_low, flags); -} - -COMPAT_SYSCALL_DEFINE5(x86_fadvise64, int, fd, unsigned int, offset_lo, - unsigned int, offset_hi, size_t, len, int, advice) -{ - return ksys_fadvise64_64(fd, ((u64)offset_hi << 32) | offset_lo, - len, advice); -} - -COMPAT_SYSCALL_DEFINE6(x86_fallocate, int, fd, int, mode, - unsigned int, offset_lo, unsigned int, offset_hi, - unsigned int, len_lo, unsigned int, len_hi) -{ - return ksys_fallocate(fd, mode, ((u64)offset_hi << 32) | offset_lo, - ((u64)len_hi << 32) | len_lo); -} - /* * The 32-bit clone ABI is CONFIG_CLONE_BACKWARDS */ -COMPAT_SYSCALL_DEFINE5(x86_clone, unsigned long, clone_flags, +COMPAT_SYSCALL_DEFINE5(ia32_clone, unsigned long, clone_flags, unsigned long, newsp, int __user *, parent_tidptr, unsigned long, tls_val, int __user *, child_tidptr) { @@ -252,3 +252,4 @@ COMPAT_SYSCALL_DEFINE5(x86_clone, unsigned long, clone_flags, return _do_fork(&args); } +#endif /* CONFIG_IA32_EMULATION */ diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c index ca3c11a17b5a..504fa5425bce 100644 --- a/arch/x86/kernel/sys_x86_64.c +++ b/arch/x86/kernel/sys_x86_64.c @@ -21,7 +21,6 @@ #include <asm/elf.h> #include <asm/ia32.h> -#include <asm/syscalls.h> /* * Align a virtual address to avoid aliasing in the I$ on AMD F15h. diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 6ef00eb6fbb9..c0bc9df8634d 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -572,14 +572,20 @@ dotraplinkage void notrace do_int3(struct pt_regs *regs, long error_code) return; /* - * Use ist_enter despite the fact that we don't use an IST stack. - * We can be called from a kprobe in non-CONTEXT_KERNEL kernel - * mode or even during context tracking state changes. + * Unlike any other non-IST entry, we can be called from a kprobe in + * non-CONTEXT_KERNEL kernel mode or even during context tracking + * state changes. Make sure that we wake up RCU even if we're coming + * from kernel code. * - * This means that we can't schedule. That's okay. + * This means that we can't schedule even if we came from a + * preemptible kernel context. That's okay. */ - ist_enter(regs); + if (!user_mode(regs)) { + rcu_nmi_enter(); + preempt_disable(); + } RCU_LOCKDEP_WARN(!rcu_is_watching(), "entry code didn't wake RCU"); + #ifdef CONFIG_KGDB_LOW_LEVEL_TRAP if (kgdb_ll_trap(DIE_INT3, "int3", regs, error_code, X86_TRAP_BP, SIGTRAP) == NOTIFY_STOP) @@ -600,7 +606,10 @@ dotraplinkage void notrace do_int3(struct pt_regs *regs, long error_code) cond_local_irq_disable(regs); exit: - ist_exit(regs); + if (!user_mode(regs)) { + preempt_enable_no_resched(); + rcu_nmi_exit(); + } } NOKPROBE_SYMBOL(do_int3); @@ -862,7 +871,25 @@ do_simd_coprocessor_error(struct pt_regs *regs, long error_code) dotraplinkage void do_spurious_interrupt_bug(struct pt_regs *regs, long error_code) { - cond_local_irq_enable(regs); + /* + * This addresses a Pentium Pro Erratum: + * + * PROBLEM: If the APIC subsystem is configured in mixed mode with + * Virtual Wire mode implemented through the local APIC, an + * interrupt vector of 0Fh (Intel reserved encoding) may be + * generated by the local APIC (Int 15). This vector may be + * generated upon receipt of a spurious interrupt (an interrupt + * which is removed before the system receives the INTA sequence) + * instead of the programmed 8259 spurious interrupt vector. + * + * IMPLICATION: The spurious interrupt vector programmed in the + * 8259 is normally handled by an operating system's spurious + * interrupt handler. However, a vector of 0Fh is unknown to some + * operating systems, which would crash if this erratum occurred. + * + * In theory this could be limited to 32bit, but the handler is not + * hurting and who knows which other CPUs suffer from this. + */ } dotraplinkage void diff --git a/arch/x86/um/Makefile b/arch/x86/um/Makefile index 33c51c064c77..77f70b969d14 100644 --- a/arch/x86/um/Makefile +++ b/arch/x86/um/Makefile @@ -21,6 +21,7 @@ obj-y += checksum_32.o syscalls_32.o obj-$(CONFIG_ELF_CORE) += elfcore.o subarch-y = ../lib/string_32.o ../lib/atomic64_32.o ../lib/atomic64_cx8_32.o +subarch-y += ../kernel/sys_ia32.o else diff --git a/arch/x86/um/sys_call_table_32.c b/arch/x86/um/sys_call_table_32.c index 9649b5ad2ca2..2ed81e581755 100644 --- a/arch/x86/um/sys_call_table_32.c +++ b/arch/x86/um/sys_call_table_32.c @@ -7,7 +7,7 @@ #include <linux/linkage.h> #include <linux/sys.h> #include <linux/cache.h> -#include <generated/user_constants.h> +#include <asm/unistd.h> #include <asm/syscall.h> #define __NO_STUBS @@ -26,11 +26,11 @@ #define old_mmap sys_old_mmap -#define __SYSCALL_I386(nr, sym, qual) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long) ; +#define __SYSCALL_I386(nr, sym) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long) ; #include <asm/syscalls_32.h> #undef __SYSCALL_I386 -#define __SYSCALL_I386(nr, sym, qual) [ nr ] = sym, +#define __SYSCALL_I386(nr, sym) [ nr ] = sym, extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long); diff --git a/arch/x86/um/sys_call_table_64.c b/arch/x86/um/sys_call_table_64.c index c8bc7fb8cbd6..2e8544dafbb0 100644 --- a/arch/x86/um/sys_call_table_64.c +++ b/arch/x86/um/sys_call_table_64.c @@ -7,7 +7,7 @@ #include <linux/linkage.h> #include <linux/sys.h> #include <linux/cache.h> -#include <generated/user_constants.h> +#include <asm/unistd.h> #include <asm/syscall.h> #define __NO_STUBS @@ -36,11 +36,14 @@ #define stub_execveat sys_execveat #define stub_rt_sigreturn sys_rt_sigreturn -#define __SYSCALL_64(nr, sym, qual) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long) ; +#define __SYSCALL_X32(nr, sym) +#define __SYSCALL_COMMON(nr, sym) __SYSCALL_64(nr, sym) + +#define __SYSCALL_64(nr, sym) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long) ; #include <asm/syscalls_64.h> #undef __SYSCALL_64 -#define __SYSCALL_64(nr, sym, qual) [ nr ] = sym, +#define __SYSCALL_64(nr, sym) [ nr ] = sym, extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long); diff --git a/arch/x86/um/user-offsets.c b/arch/x86/um/user-offsets.c index 5b37b7f952dd..c51dd8363d25 100644 --- a/arch/x86/um/user-offsets.c +++ b/arch/x86/um/user-offsets.c @@ -9,18 +9,6 @@ #include <linux/ptrace.h> #include <asm/types.h> -#ifdef __i386__ -#define __SYSCALL_I386(nr, sym, qual) [nr] = 1, -static char syscalls[] = { -#include <asm/syscalls_32.h> -}; -#else -#define __SYSCALL_64(nr, sym, qual) [nr] = 1, -static char syscalls[] = { -#include <asm/syscalls_64.h> -}; -#endif - #define DEFINE(sym, val) \ asm volatile("\n->" #sym " %0 " #val : : "i" (val)) @@ -94,7 +82,4 @@ void foo(void) DEFINE(UM_PROT_READ, PROT_READ); DEFINE(UM_PROT_WRITE, PROT_WRITE); DEFINE(UM_PROT_EXEC, PROT_EXEC); - - DEFINE(__NR_syscall_max, sizeof(syscalls) - 1); - DEFINE(NR_syscalls, sizeof(syscalls)); } diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h index da0af631ded5..7c8b82f69288 100644 --- a/include/linux/hardirq.h +++ b/include/linux/hardirq.h @@ -37,7 +37,7 @@ extern void rcu_nmi_exit(void); do { \ account_irq_enter_time(current); \ preempt_count_add(HARDIRQ_OFFSET); \ - trace_hardirq_enter(); \ + lockdep_hardirq_enter(); \ } while (0) /* @@ -50,7 +50,7 @@ extern void irq_enter(void); */ #define __irq_exit() \ do { \ - trace_hardirq_exit(); \ + lockdep_hardirq_exit(); \ account_irq_exit_time(current); \ preempt_count_sub(HARDIRQ_OFFSET); \ } while (0) @@ -74,12 +74,12 @@ extern void irq_exit(void); BUG_ON(in_nmi()); \ preempt_count_add(NMI_OFFSET + HARDIRQ_OFFSET); \ rcu_nmi_enter(); \ - trace_hardirq_enter(); \ + lockdep_hardirq_enter(); \ } while (0) #define nmi_exit() \ do { \ - trace_hardirq_exit(); \ + lockdep_hardirq_exit(); \ rcu_nmi_exit(); \ BUG_ON(!in_nmi()); \ preempt_count_sub(NMI_OFFSET + HARDIRQ_OFFSET); \ diff --git a/include/linux/irqflags.h b/include/linux/irqflags.h index a16adbb58f66..ceca42de4438 100644 --- a/include/linux/irqflags.h +++ b/include/linux/irqflags.h @@ -15,15 +15,15 @@ #include <linux/typecheck.h> #include <asm/irqflags.h> -/* Currently trace_softirqs_on/off is used only by lockdep */ +/* Currently lockdep_softirqs_on/off is used only by lockdep */ #ifdef CONFIG_PROVE_LOCKING - extern void trace_softirqs_on(unsigned long ip); - extern void trace_softirqs_off(unsigned long ip); + extern void lockdep_softirqs_on(unsigned long ip); + extern void lockdep_softirqs_off(unsigned long ip); extern void lockdep_hardirqs_on(unsigned long ip); extern void lockdep_hardirqs_off(unsigned long ip); #else - static inline void trace_softirqs_on(unsigned long ip) { } - static inline void trace_softirqs_off(unsigned long ip) { } + static inline void lockdep_softirqs_on(unsigned long ip) { } + static inline void lockdep_softirqs_off(unsigned long ip) { } static inline void lockdep_hardirqs_on(unsigned long ip) { } static inline void lockdep_hardirqs_off(unsigned long ip) { } #endif @@ -31,20 +31,20 @@ #ifdef CONFIG_TRACE_IRQFLAGS extern void trace_hardirqs_on(void); extern void trace_hardirqs_off(void); -# define trace_hardirq_context(p) ((p)->hardirq_context) -# define trace_softirq_context(p) ((p)->softirq_context) -# define trace_hardirqs_enabled(p) ((p)->hardirqs_enabled) -# define trace_softirqs_enabled(p) ((p)->softirqs_enabled) -# define trace_hardirq_enter() \ +# define lockdep_hardirq_context(p) ((p)->hardirq_context) +# define lockdep_softirq_context(p) ((p)->softirq_context) +# define lockdep_hardirqs_enabled(p) ((p)->hardirqs_enabled) +# define lockdep_softirqs_enabled(p) ((p)->softirqs_enabled) +# define lockdep_hardirq_enter() \ do { \ if (!current->hardirq_context++) \ current->hardirq_threaded = 0; \ } while (0) -# define trace_hardirq_threaded() \ +# define lockdep_hardirq_threaded() \ do { \ current->hardirq_threaded = 1; \ } while (0) -# define trace_hardirq_exit() \ +# define lockdep_hardirq_exit() \ do { \ current->hardirq_context--; \ } while (0) @@ -93,13 +93,13 @@ do { \ #else # define trace_hardirqs_on() do { } while (0) # define trace_hardirqs_off() do { } while (0) -# define trace_hardirq_context(p) 0 -# define trace_softirq_context(p) 0 -# define trace_hardirqs_enabled(p) 0 -# define trace_softirqs_enabled(p) 0 -# define trace_hardirq_enter() do { } while (0) -# define trace_hardirq_threaded() do { } while (0) -# define trace_hardirq_exit() do { } while (0) +# define lockdep_hardirq_context(p) 0 +# define lockdep_softirq_context(p) 0 +# define lockdep_hardirqs_enabled(p) 0 +# define lockdep_softirqs_enabled(p) 0 +# define lockdep_hardirq_enter() do { } while (0) +# define lockdep_hardirq_threaded() do { } while (0) +# define lockdep_hardirq_exit() do { } while (0) # define lockdep_softirq_enter() do { } while (0) # define lockdep_softirq_exit() do { } while (0) # define lockdep_hrtimer_enter(__hrtimer) do { } while (0) diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 16ee716e8291..a8e14c80b405 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -150,7 +150,7 @@ irqreturn_t __handle_irq_event_percpu(struct irq_desc *desc, unsigned int *flags */ if (irq_settings_can_thread(desc) && !(action->flags & (IRQF_NO_THREAD | IRQF_PERCPU | IRQF_ONESHOT))) - trace_hardirq_threaded(); + lockdep_hardirq_threaded(); trace_irq_handler_entry(irq, action); res = action->handler(irq, action->dev_id); diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index 0ebf9807d971..1511690e4de7 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -3350,10 +3350,10 @@ print_usage_bug(struct task_struct *curr, struct held_lock *this, pr_warn("%s/%d [HC%u[%lu]:SC%u[%lu]:HE%u:SE%u] takes:\n", curr->comm, task_pid_nr(curr), - trace_hardirq_context(curr), hardirq_count() >> HARDIRQ_SHIFT, - trace_softirq_context(curr), softirq_count() >> SOFTIRQ_SHIFT, - trace_hardirqs_enabled(curr), - trace_softirqs_enabled(curr)); + lockdep_hardirq_context(curr), hardirq_count() >> HARDIRQ_SHIFT, + lockdep_softirq_context(curr), softirq_count() >> SOFTIRQ_SHIFT, + lockdep_hardirqs_enabled(curr), + lockdep_softirqs_enabled(curr)); print_lock(this); pr_warn("{%s} state was registered at:\n", usage_str[prev_bit]); @@ -3737,7 +3737,7 @@ NOKPROBE_SYMBOL(lockdep_hardirqs_off); /* * Softirqs will be enabled: */ -void trace_softirqs_on(unsigned long ip) +void lockdep_softirqs_on(unsigned long ip) { struct task_struct *curr = current; @@ -3777,7 +3777,7 @@ void trace_softirqs_on(unsigned long ip) /* * Softirqs were disabled: */ -void trace_softirqs_off(unsigned long ip) +void lockdep_softirqs_off(unsigned long ip) { struct task_struct *curr = current; diff --git a/kernel/softirq.c b/kernel/softirq.c index 0427a86743a4..a47c6dd57452 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -126,7 +126,7 @@ void __local_bh_disable_ip(unsigned long ip, unsigned int cnt) * Were softirqs turned off above: */ if (softirq_count() == (cnt & SOFTIRQ_MASK)) - trace_softirqs_off(ip); + lockdep_softirqs_off(ip); raw_local_irq_restore(flags); if (preempt_count() == cnt) { @@ -147,7 +147,7 @@ static void __local_bh_enable(unsigned int cnt) trace_preempt_on(CALLER_ADDR0, get_lock_parent_ip()); if (softirq_count() == (cnt & SOFTIRQ_MASK)) - trace_softirqs_on(_RET_IP_); + lockdep_softirqs_on(_RET_IP_); __preempt_count_sub(cnt); } @@ -174,7 +174,7 @@ void __local_bh_enable_ip(unsigned long ip, unsigned int cnt) * Are softirqs going to be turned on now: */ if (softirq_count() == SOFTIRQ_DISABLE_OFFSET) - trace_softirqs_on(ip); + lockdep_softirqs_on(ip); /* * Keep preemption disabled until we are done with * softirq processing: @@ -224,9 +224,9 @@ static inline bool lockdep_softirq_start(void) { bool in_hardirq = false; - if (trace_hardirq_context(current)) { + if (lockdep_hardirq_context(current)) { in_hardirq = true; - trace_hardirq_exit(); + lockdep_hardirq_exit(); } lockdep_softirq_enter(); @@ -239,7 +239,7 @@ static inline void lockdep_softirq_end(bool in_hardirq) lockdep_softirq_exit(); if (in_hardirq) - trace_hardirq_enter(); + lockdep_hardirq_enter(); } #else static inline bool lockdep_softirq_start(void) { return false; } @@ -414,7 +414,8 @@ void irq_exit(void) tick_irq_exit(); rcu_irq_exit(); - trace_hardirq_exit(); /* must be last! */ + /* must be last! */ + lockdep_hardirq_exit(); } /* diff --git a/tools/include/linux/irqflags.h b/tools/include/linux/irqflags.h index e734da3e5b33..67e01bbadbfe 100644 --- a/tools/include/linux/irqflags.h +++ b/tools/include/linux/irqflags.h @@ -2,12 +2,12 @@ #ifndef _LIBLOCKDEP_LINUX_TRACE_IRQFLAGS_H_ #define _LIBLOCKDEP_LINUX_TRACE_IRQFLAGS_H_ -# define trace_hardirq_context(p) 0 -# define trace_softirq_context(p) 0 -# define trace_hardirqs_enabled(p) 0 -# define trace_softirqs_enabled(p) 0 -# define trace_hardirq_enter() do { } while (0) -# define trace_hardirq_exit() do { } while (0) +# define lockdep_hardirq_context(p) 0 +# define lockdep_softirq_context(p) 0 +# define lockdep_hardirqs_enabled(p) 0 +# define lockdep_softirqs_enabled(p) 0 +# define lockdep_hardirq_enter() do { } while (0) +# define lockdep_hardirq_exit() do { } while (0) # define lockdep_softirq_enter() do { } while (0) # define lockdep_softirq_exit() do { } while (0) # define INIT_TRACE_IRQFLAGS |