diff options
Diffstat (limited to 'arch/hexagon/kernel')
| -rw-r--r-- | arch/hexagon/kernel/Makefile.syscalls | 3 | ||||
| -rw-r--r-- | arch/hexagon/kernel/syscalltab.c | 15 | ||||
| -rw-r--r-- | arch/hexagon/kernel/time.c | 3 | ||||
| -rw-r--r-- | arch/hexagon/kernel/traps.c | 6 | ||||
| -rw-r--r-- | arch/hexagon/kernel/vdso.c | 14 |
5 files changed, 31 insertions, 10 deletions
diff --git a/arch/hexagon/kernel/Makefile.syscalls b/arch/hexagon/kernel/Makefile.syscalls new file mode 100644 index 000000000000..d2b7c5d44d95 --- /dev/null +++ b/arch/hexagon/kernel/Makefile.syscalls @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0 + +syscall_abis_32 += hexagon time32 stat64 rlimit renameat diff --git a/arch/hexagon/kernel/syscalltab.c b/arch/hexagon/kernel/syscalltab.c index 0fadd582cfc7..b53e2eead4ac 100644 --- a/arch/hexagon/kernel/syscalltab.c +++ b/arch/hexagon/kernel/syscalltab.c @@ -11,9 +11,20 @@ #include <asm/syscall.h> -#undef __SYSCALL #define __SYSCALL(nr, call) [nr] = (call), +#define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, native) + +#define sys_mmap2 sys_mmap_pgoff + +SYSCALL_DEFINE6(hexagon_fadvise64_64, int, fd, int, advice, + SC_ARG64(offset), SC_ARG64(len)) +{ + return ksys_fadvise64_64(fd, SC_VAL64(loff_t, offset), SC_VAL64(loff_t, len), advice); +} +#define sys_fadvise64_64 sys_hexagon_fadvise64_64 + +#define sys_sync_file_range sys_sync_file_range2 void *sys_call_table[__NR_syscalls] = { -#include <asm/unistd.h> +#include <asm/syscall_table_32.h> }; diff --git a/arch/hexagon/kernel/time.c b/arch/hexagon/kernel/time.c index f0f207e2a694..6f851e1cd4ee 100644 --- a/arch/hexagon/kernel/time.c +++ b/arch/hexagon/kernel/time.c @@ -170,8 +170,7 @@ static void __init time_init_deferred(void) ce_dev->cpumask = cpu_all_mask; - if (!resource) - resource = rtos_timer_device.resource; + resource = rtos_timer_device.resource; /* ioremap here means this has to run later, after paging init */ rtos_timer = ioremap(resource->start, resource_size(resource)); diff --git a/arch/hexagon/kernel/traps.c b/arch/hexagon/kernel/traps.c index 75e062722d28..e732aa01c2ff 100644 --- a/arch/hexagon/kernel/traps.c +++ b/arch/hexagon/kernel/traps.c @@ -135,7 +135,7 @@ static void do_show_stack(struct task_struct *task, unsigned long *fp, } /* Attempt to continue past exception. */ - if (0 == newfp) { + if (!newfp) { struct pt_regs *regs = (struct pt_regs *) (((void *)fp) + 8); @@ -195,8 +195,10 @@ int die(const char *str, struct pt_regs *regs, long err) printk(KERN_EMERG "Oops: %s[#%d]:\n", str, ++die.counter); if (notify_die(DIE_OOPS, str, regs, err, pt_cause(regs), SIGSEGV) == - NOTIFY_STOP) + NOTIFY_STOP) { + spin_unlock_irq(&die.lock); return 1; + } print_modules(); show_regs(regs); diff --git a/arch/hexagon/kernel/vdso.c b/arch/hexagon/kernel/vdso.c index 2e4872d62124..8119084dc519 100644 --- a/arch/hexagon/kernel/vdso.c +++ b/arch/hexagon/kernel/vdso.c @@ -51,7 +51,11 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) { int ret; unsigned long vdso_base; + struct vm_area_struct *vma; struct mm_struct *mm = current->mm; + static struct vm_special_mapping vdso_mapping = { + .name = "[vdso]", + }; if (mmap_write_lock_killable(mm)) return -EINTR; @@ -66,16 +70,18 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) } /* MAYWRITE to allow gdb to COW and set breakpoints. */ - ret = install_special_mapping(mm, vdso_base, PAGE_SIZE, + vdso_mapping.pages = &vdso_page; + vma = _install_special_mapping(mm, vdso_base, PAGE_SIZE, VM_READ|VM_EXEC| VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC, - &vdso_page); + &vdso_mapping); - if (ret) + ret = PTR_ERR(vma); + if (IS_ERR(vma)) goto up_fail; mm->context.vdso = (void *)vdso_base; - + ret = 0; up_fail: mmap_write_unlock(mm); return ret; |