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author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-17 08:58:04 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-17 08:58:04 -0700 |
commit | 57a8ec387e1441ea5e1232bc0749fb99a8cba7e7 (patch) | |
tree | b5fb03fc6bc5754de8b5b1f8b0e4f36d67c8315c /arch/s390 | |
parent | 0a8ad0ffa4d80a544f6cbff703bf6394339afcdf (diff) | |
parent | 43e11fa2d1d3b6e35629fa556eb7d571edba2010 (diff) | |
download | linux-stable-57a8ec387e1441ea5e1232bc0749fb99a8cba7e7.tar.gz linux-stable-57a8ec387e1441ea5e1232bc0749fb99a8cba7e7.tar.bz2 linux-stable-57a8ec387e1441ea5e1232bc0749fb99a8cba7e7.zip |
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:
"VM:
- z3fold fixes and enhancements by Henry Burns and Vitaly Wool
- more accurate reclaimed slab caches calculations by Yafang Shao
- fix MAP_UNINITIALIZED UAPI symbol to not depend on config, by
Christoph Hellwig
- !CONFIG_MMU fixes by Christoph Hellwig
- new novmcoredd parameter to omit device dumps from vmcore, by
Kairui Song
- new test_meminit module for testing heap and pagealloc
initialization, by Alexander Potapenko
- ioremap improvements for huge mappings, by Anshuman Khandual
- generalize kprobe page fault handling, by Anshuman Khandual
- device-dax hotplug fixes and improvements, by Pavel Tatashin
- enable synchronous DAX fault on powerpc, by Aneesh Kumar K.V
- add pte_devmap() support for arm64, by Robin Murphy
- unify locked_vm accounting with a helper, by Daniel Jordan
- several misc fixes
core/lib:
- new typeof_member() macro including some users, by Alexey Dobriyan
- make BIT() and GENMASK() available in asm, by Masahiro Yamada
- changed LIST_POISON2 on x86_64 to 0xdead000000000122 for better
code generation, by Alexey Dobriyan
- rbtree code size optimizations, by Michel Lespinasse
- convert struct pid count to refcount_t, by Joel Fernandes
get_maintainer.pl:
- add --no-moderated switch to skip moderated ML's, by Joe Perches
misc:
- ptrace PTRACE_GET_SYSCALL_INFO interface
- coda updates
- gdb scripts, various"
[ Using merge message suggestion from Vlastimil Babka, with some editing - Linus ]
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (100 commits)
fs/select.c: use struct_size() in kmalloc()
mm: add account_locked_vm utility function
arm64: mm: implement pte_devmap support
mm: introduce ARCH_HAS_PTE_DEVMAP
mm: clean up is_device_*_page() definitions
mm/mmap: move common defines to mman-common.h
mm: move MAP_SYNC to asm-generic/mman-common.h
device-dax: "Hotremove" persistent memory that is used like normal RAM
mm/hotplug: make remove_memory() interface usable
device-dax: fix memory and resource leak if hotplug fails
include/linux/lz4.h: fix spelling and copy-paste errors in documentation
ipc/mqueue.c: only perform resource calculation if user valid
include/asm-generic/bug.h: fix "cut here" for WARN_ON for __WARN_TAINT architectures
scripts/gdb: add helpers to find and list devices
scripts/gdb: add lx-genpd-summary command
drivers/pps/pps.c: clear offset flags in PPS_SETPARAMS ioctl
kernel/pid.c: convert struct pid count to refcount_t
drivers/rapidio/devices/rio_mport_cdev.c: NUL terminate some strings
select: shift restore_saved_sigmask_unless() into poll_select_copy_remaining()
select: change do_poll() to return -ERESTARTNOHAND rather than -EINTR
...
Diffstat (limited to 'arch/s390')
-rw-r--r-- | arch/s390/include/asm/ctl_reg.h | 42 | ||||
-rw-r--r-- | arch/s390/include/asm/nmi.h | 20 | ||||
-rw-r--r-- | arch/s390/include/asm/processor.h | 20 | ||||
-rw-r--r-- | arch/s390/include/asm/ptrace.h | 10 | ||||
-rw-r--r-- | arch/s390/include/asm/setup.h | 40 | ||||
-rw-r--r-- | arch/s390/include/asm/thread_info.h | 34 | ||||
-rw-r--r-- | arch/s390/mm/fault.c | 16 |
7 files changed, 84 insertions, 98 deletions
diff --git a/arch/s390/include/asm/ctl_reg.h b/arch/s390/include/asm/ctl_reg.h index 0cf6b53587db..60f907516335 100644 --- a/arch/s390/include/asm/ctl_reg.h +++ b/arch/s390/include/asm/ctl_reg.h @@ -8,27 +8,27 @@ #ifndef __ASM_CTL_REG_H #define __ASM_CTL_REG_H -#include <linux/const.h> - -#define CR0_CLOCK_COMPARATOR_SIGN _BITUL(63 - 10) -#define CR0_EMERGENCY_SIGNAL_SUBMASK _BITUL(63 - 49) -#define CR0_EXTERNAL_CALL_SUBMASK _BITUL(63 - 50) -#define CR0_CLOCK_COMPARATOR_SUBMASK _BITUL(63 - 52) -#define CR0_CPU_TIMER_SUBMASK _BITUL(63 - 53) -#define CR0_SERVICE_SIGNAL_SUBMASK _BITUL(63 - 54) -#define CR0_UNUSED_56 _BITUL(63 - 56) -#define CR0_INTERRUPT_KEY_SUBMASK _BITUL(63 - 57) -#define CR0_MEASUREMENT_ALERT_SUBMASK _BITUL(63 - 58) - -#define CR2_GUARDED_STORAGE _BITUL(63 - 59) - -#define CR14_UNUSED_32 _BITUL(63 - 32) -#define CR14_UNUSED_33 _BITUL(63 - 33) -#define CR14_CHANNEL_REPORT_SUBMASK _BITUL(63 - 35) -#define CR14_RECOVERY_SUBMASK _BITUL(63 - 36) -#define CR14_DEGRADATION_SUBMASK _BITUL(63 - 37) -#define CR14_EXTERNAL_DAMAGE_SUBMASK _BITUL(63 - 38) -#define CR14_WARNING_SUBMASK _BITUL(63 - 39) +#include <linux/bits.h> + +#define CR0_CLOCK_COMPARATOR_SIGN BIT(63 - 10) +#define CR0_EMERGENCY_SIGNAL_SUBMASK BIT(63 - 49) +#define CR0_EXTERNAL_CALL_SUBMASK BIT(63 - 50) +#define CR0_CLOCK_COMPARATOR_SUBMASK BIT(63 - 52) +#define CR0_CPU_TIMER_SUBMASK BIT(63 - 53) +#define CR0_SERVICE_SIGNAL_SUBMASK BIT(63 - 54) +#define CR0_UNUSED_56 BIT(63 - 56) +#define CR0_INTERRUPT_KEY_SUBMASK BIT(63 - 57) +#define CR0_MEASUREMENT_ALERT_SUBMASK BIT(63 - 58) + +#define CR2_GUARDED_STORAGE BIT(63 - 59) + +#define CR14_UNUSED_32 BIT(63 - 32) +#define CR14_UNUSED_33 BIT(63 - 33) +#define CR14_CHANNEL_REPORT_SUBMASK BIT(63 - 35) +#define CR14_RECOVERY_SUBMASK BIT(63 - 36) +#define CR14_DEGRADATION_SUBMASK BIT(63 - 37) +#define CR14_EXTERNAL_DAMAGE_SUBMASK BIT(63 - 38) +#define CR14_WARNING_SUBMASK BIT(63 - 39) #ifndef __ASSEMBLY__ diff --git a/arch/s390/include/asm/nmi.h b/arch/s390/include/asm/nmi.h index 1e5dc4537bf2..b160da8fa14b 100644 --- a/arch/s390/include/asm/nmi.h +++ b/arch/s390/include/asm/nmi.h @@ -12,7 +12,7 @@ #ifndef _ASM_S390_NMI_H #define _ASM_S390_NMI_H -#include <linux/const.h> +#include <linux/bits.h> #include <linux/types.h> #define MCIC_SUBCLASS_MASK (1ULL<<63 | 1ULL<<62 | 1ULL<<61 | \ @@ -20,15 +20,15 @@ 1ULL<<55 | 1ULL<<54 | 1ULL<<53 | \ 1ULL<<52 | 1ULL<<47 | 1ULL<<46 | \ 1ULL<<45 | 1ULL<<44) -#define MCCK_CODE_SYSTEM_DAMAGE _BITUL(63) -#define MCCK_CODE_EXT_DAMAGE _BITUL(63 - 5) -#define MCCK_CODE_CP _BITUL(63 - 9) -#define MCCK_CODE_CPU_TIMER_VALID _BITUL(63 - 46) -#define MCCK_CODE_PSW_MWP_VALID _BITUL(63 - 20) -#define MCCK_CODE_PSW_IA_VALID _BITUL(63 - 23) -#define MCCK_CODE_CR_VALID _BITUL(63 - 29) -#define MCCK_CODE_GS_VALID _BITUL(63 - 36) -#define MCCK_CODE_FC_VALID _BITUL(63 - 43) +#define MCCK_CODE_SYSTEM_DAMAGE BIT(63) +#define MCCK_CODE_EXT_DAMAGE BIT(63 - 5) +#define MCCK_CODE_CP BIT(63 - 9) +#define MCCK_CODE_CPU_TIMER_VALID BIT(63 - 46) +#define MCCK_CODE_PSW_MWP_VALID BIT(63 - 20) +#define MCCK_CODE_PSW_IA_VALID BIT(63 - 23) +#define MCCK_CODE_CR_VALID BIT(63 - 29) +#define MCCK_CODE_GS_VALID BIT(63 - 36) +#define MCCK_CODE_FC_VALID BIT(63 - 43) #ifndef __ASSEMBLY__ diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index 14883b1562e0..d56c519bc696 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -12,7 +12,7 @@ #ifndef __ASM_S390_PROCESSOR_H #define __ASM_S390_PROCESSOR_H -#include <linux/const.h> +#include <linux/bits.h> #define CIF_MCCK_PENDING 0 /* machine check handling is pending */ #define CIF_ASCE_PRIMARY 1 /* primary asce needs fixup / uaccess */ @@ -24,15 +24,15 @@ #define CIF_MCCK_GUEST 7 /* machine check happening in guest */ #define CIF_DEDICATED_CPU 8 /* this CPU is dedicated */ -#define _CIF_MCCK_PENDING _BITUL(CIF_MCCK_PENDING) -#define _CIF_ASCE_PRIMARY _BITUL(CIF_ASCE_PRIMARY) -#define _CIF_ASCE_SECONDARY _BITUL(CIF_ASCE_SECONDARY) -#define _CIF_NOHZ_DELAY _BITUL(CIF_NOHZ_DELAY) -#define _CIF_FPU _BITUL(CIF_FPU) -#define _CIF_IGNORE_IRQ _BITUL(CIF_IGNORE_IRQ) -#define _CIF_ENABLED_WAIT _BITUL(CIF_ENABLED_WAIT) -#define _CIF_MCCK_GUEST _BITUL(CIF_MCCK_GUEST) -#define _CIF_DEDICATED_CPU _BITUL(CIF_DEDICATED_CPU) +#define _CIF_MCCK_PENDING BIT(CIF_MCCK_PENDING) +#define _CIF_ASCE_PRIMARY BIT(CIF_ASCE_PRIMARY) +#define _CIF_ASCE_SECONDARY BIT(CIF_ASCE_SECONDARY) +#define _CIF_NOHZ_DELAY BIT(CIF_NOHZ_DELAY) +#define _CIF_FPU BIT(CIF_FPU) +#define _CIF_IGNORE_IRQ BIT(CIF_IGNORE_IRQ) +#define _CIF_ENABLED_WAIT BIT(CIF_ENABLED_WAIT) +#define _CIF_MCCK_GUEST BIT(CIF_MCCK_GUEST) +#define _CIF_DEDICATED_CPU BIT(CIF_DEDICATED_CPU) #ifndef __ASSEMBLY__ diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h index 6f70d81c40f2..f009a13afe71 100644 --- a/arch/s390/include/asm/ptrace.h +++ b/arch/s390/include/asm/ptrace.h @@ -7,7 +7,7 @@ #ifndef _S390_PTRACE_H #define _S390_PTRACE_H -#include <linux/const.h> +#include <linux/bits.h> #include <uapi/asm/ptrace.h> #define PIF_SYSCALL 0 /* inside a system call */ @@ -15,10 +15,10 @@ #define PIF_SYSCALL_RESTART 2 /* restart the current system call */ #define PIF_GUEST_FAULT 3 /* indicates program check in sie64a */ -#define _PIF_SYSCALL _BITUL(PIF_SYSCALL) -#define _PIF_PER_TRAP _BITUL(PIF_PER_TRAP) -#define _PIF_SYSCALL_RESTART _BITUL(PIF_SYSCALL_RESTART) -#define _PIF_GUEST_FAULT _BITUL(PIF_GUEST_FAULT) +#define _PIF_SYSCALL BIT(PIF_SYSCALL) +#define _PIF_PER_TRAP BIT(PIF_PER_TRAP) +#define _PIF_SYSCALL_RESTART BIT(PIF_SYSCALL_RESTART) +#define _PIF_GUEST_FAULT BIT(PIF_GUEST_FAULT) #ifndef __ASSEMBLY__ diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h index 925889d360c1..82deb8fc8319 100644 --- a/arch/s390/include/asm/setup.h +++ b/arch/s390/include/asm/setup.h @@ -6,7 +6,7 @@ #ifndef _ASM_S390_SETUP_H #define _ASM_S390_SETUP_H -#include <linux/const.h> +#include <linux/bits.h> #include <uapi/asm/setup.h> #define EP_OFFSET 0x10008 @@ -21,25 +21,25 @@ * Machine features detected in early.c */ -#define MACHINE_FLAG_VM _BITUL(0) -#define MACHINE_FLAG_KVM _BITUL(1) -#define MACHINE_FLAG_LPAR _BITUL(2) -#define MACHINE_FLAG_DIAG9C _BITUL(3) -#define MACHINE_FLAG_ESOP _BITUL(4) -#define MACHINE_FLAG_IDTE _BITUL(5) -#define MACHINE_FLAG_DIAG44 _BITUL(6) -#define MACHINE_FLAG_EDAT1 _BITUL(7) -#define MACHINE_FLAG_EDAT2 _BITUL(8) -#define MACHINE_FLAG_TOPOLOGY _BITUL(10) -#define MACHINE_FLAG_TE _BITUL(11) -#define MACHINE_FLAG_TLB_LC _BITUL(12) -#define MACHINE_FLAG_VX _BITUL(13) -#define MACHINE_FLAG_TLB_GUEST _BITUL(14) -#define MACHINE_FLAG_NX _BITUL(15) -#define MACHINE_FLAG_GS _BITUL(16) -#define MACHINE_FLAG_SCC _BITUL(17) - -#define LPP_MAGIC _BITUL(31) +#define MACHINE_FLAG_VM BIT(0) +#define MACHINE_FLAG_KVM BIT(1) +#define MACHINE_FLAG_LPAR BIT(2) +#define MACHINE_FLAG_DIAG9C BIT(3) +#define MACHINE_FLAG_ESOP BIT(4) +#define MACHINE_FLAG_IDTE BIT(5) +#define MACHINE_FLAG_DIAG44 BIT(6) +#define MACHINE_FLAG_EDAT1 BIT(7) +#define MACHINE_FLAG_EDAT2 BIT(8) +#define MACHINE_FLAG_TOPOLOGY BIT(10) +#define MACHINE_FLAG_TE BIT(11) +#define MACHINE_FLAG_TLB_LC BIT(12) +#define MACHINE_FLAG_VX BIT(13) +#define MACHINE_FLAG_TLB_GUEST BIT(14) +#define MACHINE_FLAG_NX BIT(15) +#define MACHINE_FLAG_GS BIT(16) +#define MACHINE_FLAG_SCC BIT(17) + +#define LPP_MAGIC BIT(31) #define LPP_PID_MASK _AC(0xffffffff, UL) /* Offsets to entry points in kernel/head.S */ diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h index ce4e17c9aad6..e582fbe59e20 100644 --- a/arch/s390/include/asm/thread_info.h +++ b/arch/s390/include/asm/thread_info.h @@ -8,7 +8,7 @@ #ifndef _ASM_THREAD_INFO_H #define _ASM_THREAD_INFO_H -#include <linux/const.h> +#include <linux/bits.h> /* * General size of kernel stacks @@ -82,21 +82,21 @@ void arch_setup_new_exec(void); #define TIF_SECCOMP 26 /* secure computing */ #define TIF_SYSCALL_TRACEPOINT 27 /* syscall tracepoint instrumentation */ -#define _TIF_NOTIFY_RESUME _BITUL(TIF_NOTIFY_RESUME) -#define _TIF_SIGPENDING _BITUL(TIF_SIGPENDING) -#define _TIF_NEED_RESCHED _BITUL(TIF_NEED_RESCHED) -#define _TIF_UPROBE _BITUL(TIF_UPROBE) -#define _TIF_GUARDED_STORAGE _BITUL(TIF_GUARDED_STORAGE) -#define _TIF_PATCH_PENDING _BITUL(TIF_PATCH_PENDING) -#define _TIF_ISOLATE_BP _BITUL(TIF_ISOLATE_BP) -#define _TIF_ISOLATE_BP_GUEST _BITUL(TIF_ISOLATE_BP_GUEST) - -#define _TIF_31BIT _BITUL(TIF_31BIT) -#define _TIF_SINGLE_STEP _BITUL(TIF_SINGLE_STEP) - -#define _TIF_SYSCALL_TRACE _BITUL(TIF_SYSCALL_TRACE) -#define _TIF_SYSCALL_AUDIT _BITUL(TIF_SYSCALL_AUDIT) -#define _TIF_SECCOMP _BITUL(TIF_SECCOMP) -#define _TIF_SYSCALL_TRACEPOINT _BITUL(TIF_SYSCALL_TRACEPOINT) +#define _TIF_NOTIFY_RESUME BIT(TIF_NOTIFY_RESUME) +#define _TIF_SIGPENDING BIT(TIF_SIGPENDING) +#define _TIF_NEED_RESCHED BIT(TIF_NEED_RESCHED) +#define _TIF_UPROBE BIT(TIF_UPROBE) +#define _TIF_GUARDED_STORAGE BIT(TIF_GUARDED_STORAGE) +#define _TIF_PATCH_PENDING BIT(TIF_PATCH_PENDING) +#define _TIF_ISOLATE_BP BIT(TIF_ISOLATE_BP) +#define _TIF_ISOLATE_BP_GUEST BIT(TIF_ISOLATE_BP_GUEST) + +#define _TIF_31BIT BIT(TIF_31BIT) +#define _TIF_SINGLE_STEP BIT(TIF_SINGLE_STEP) + +#define _TIF_SYSCALL_TRACE BIT(TIF_SYSCALL_TRACE) +#define _TIF_SYSCALL_AUDIT BIT(TIF_SYSCALL_AUDIT) +#define _TIF_SECCOMP BIT(TIF_SECCOMP) +#define _TIF_SYSCALL_TRACEPOINT BIT(TIF_SYSCALL_TRACEPOINT) #endif /* _ASM_THREAD_INFO_H */ diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index 0ba174f779da..63507662828f 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -67,20 +67,6 @@ static int __init fault_init(void) } early_initcall(fault_init); -static inline int notify_page_fault(struct pt_regs *regs) -{ - int ret = 0; - - /* kprobe_running() needs smp_processor_id() */ - if (kprobes_built_in() && !user_mode(regs)) { - preempt_disable(); - if (kprobe_running() && kprobe_fault_handler(regs, 14)) - ret = 1; - preempt_enable(); - } - return ret; -} - /* * Find out which address space caused the exception. */ @@ -412,7 +398,7 @@ static inline vm_fault_t do_exception(struct pt_regs *regs, int access) */ clear_pt_regs_flag(regs, PIF_PER_TRAP); - if (notify_page_fault(regs)) + if (kprobe_page_fault(regs, 14)) return 0; mm = tsk->mm; |