diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c index 0bcf06f4bffc..dee6540db8c0 100644 --- a/arch/alpha/mm/fault.c +++ b/arch/alpha/mm/fault.c @@ -89,7 +89,7 @@ do_page_fault(unsigned long address, unsigned long mmcsr, const struct exception_table_entry *fixup; int si_code = SEGV_MAPERR; vm_fault_t fault; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int flags = FAULT_FLAG_DEFAULT; /* As of EV6, a load into $31/$f31 is a prefetch, and never faults (or is suppressed by the PALcode). Support that for older CPUs diff --git a/arch/arc/mm/fault.c b/arch/arc/mm/fault.c index ee3ba7c7b891..33a609f1c43c 100644 --- a/arch/arc/mm/fault.c +++ b/arch/arc/mm/fault.c @@ -94,7 +94,7 @@ void do_page_fault(unsigned long address, struct pt_regs *regs) (regs->ecr_cause == ECR_C_PROTV_INST_FETCH)) exec = 1; - flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + flags = FAULT_FLAG_DEFAULT; if (user_mode(regs)) flags |= FAULT_FLAG_USER; if (write) diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index 236e30a3c926..a951a325c1d6 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -248,7 +248,7 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) struct mm_struct *mm; int sig, code; vm_fault_t fault; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int flags = FAULT_FLAG_DEFAULT; if (kprobe_page_fault(regs, fsr)) return 0; diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index 11ad26e0aebf..765de2ba4eda 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -458,7 +458,7 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr, struct mm_struct *mm = current->mm; vm_fault_t fault, major = 0; unsigned long vm_flags = VM_READ | VM_WRITE | VM_EXEC; - unsigned int mm_flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int mm_flags = FAULT_FLAG_DEFAULT; struct vm_area_struct *vma = NULL; if (kprobe_page_fault(regs, esr)) diff --git a/arch/hexagon/mm/vm_fault.c b/arch/hexagon/mm/vm_fault.c index d19beaf11b4c..d9e15d941bdb 100644 --- a/arch/hexagon/mm/vm_fault.c +++ b/arch/hexagon/mm/vm_fault.c @@ -41,7 +41,7 @@ void do_page_fault(unsigned long address, long cause, struct pt_regs *regs) int si_code = SEGV_MAPERR; vm_fault_t fault; const struct exception_table_entry *fixup; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int flags = FAULT_FLAG_DEFAULT; /* * If we're in an interrupt or have no user context, diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c index de9e63737bdc..430c15d99d83 100644 --- a/arch/ia64/mm/fault.c +++ b/arch/ia64/mm/fault.c @@ -65,7 +65,7 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re struct mm_struct *mm = current->mm; unsigned long mask; vm_fault_t fault; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int flags = FAULT_FLAG_DEFAULT; mask = ((((isr >> IA64_ISR_X_BIT) & 1UL) << VM_EXEC_BIT) | (((isr >> IA64_ISR_W_BIT) & 1UL) << VM_WRITE_BIT)); diff --git a/arch/m68k/mm/fault.c b/arch/m68k/mm/fault.c index 7c1eecc56382..d52b0a27f33a 100644 --- a/arch/m68k/mm/fault.c +++ b/arch/m68k/mm/fault.c @@ -71,7 +71,7 @@ int do_page_fault(struct pt_regs *regs, unsigned long address, struct mm_struct *mm = current->mm; struct vm_area_struct * vma; vm_fault_t fault; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int flags = FAULT_FLAG_DEFAULT; pr_debug("do page fault:\nregs->sr=%#x, regs->pc=%#lx, address=%#lx, %ld, %p\n", regs->sr, regs->pc, address, error_code, mm ? mm->pgd : NULL); diff --git a/arch/microblaze/mm/fault.c b/arch/microblaze/mm/fault.c index cdde01dcdfc3..32da02778a63 100644 --- a/arch/microblaze/mm/fault.c +++ b/arch/microblaze/mm/fault.c @@ -91,7 +91,7 @@ void do_page_fault(struct pt_regs *regs, unsigned long address, int code = SEGV_MAPERR; int is_write = error_code & ESR_S; vm_fault_t fault; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int flags = FAULT_FLAG_DEFAULT; regs->ear = address; regs->esr = error_code; diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c index 2aeb86e5c564..ec649f40fc1f 100644 --- a/arch/mips/mm/fault.c +++ b/arch/mips/mm/fault.c @@ -44,7 +44,7 @@ static void __kprobes __do_page_fault(struct pt_regs *regs, unsigned long write, const int field = sizeof(unsigned long) * 2; int si_code; vm_fault_t fault; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int flags = FAULT_FLAG_DEFAULT; static DEFINE_RATELIMIT_STATE(ratelimit_state, 5 * HZ, 10); diff --git a/arch/nds32/mm/fault.c b/arch/nds32/mm/fault.c index c8f32b4784bd..4e402f2c88c3 100644 --- a/arch/nds32/mm/fault.c +++ b/arch/nds32/mm/fault.c @@ -76,7 +76,7 @@ void do_page_fault(unsigned long entry, unsigned long addr, int si_code; vm_fault_t fault; unsigned int mask = VM_READ | VM_WRITE | VM_EXEC; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int flags = FAULT_FLAG_DEFAULT; error_code = error_code & (ITYPE_mskINST | ITYPE_mskETYPE); tsk = current; diff --git a/arch/nios2/mm/fault.c b/arch/nios2/mm/fault.c index 704ace8ca0ee..c38bea4220fb 100644 --- a/arch/nios2/mm/fault.c +++ b/arch/nios2/mm/fault.c @@ -47,7 +47,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long cause, struct mm_struct *mm = tsk->mm; int code = SEGV_MAPERR; vm_fault_t fault; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int flags = FAULT_FLAG_DEFAULT; cause >>= 2; diff --git a/arch/openrisc/mm/fault.c b/arch/openrisc/mm/fault.c index 85c7eb0c0186..30d5c51e9d40 100644 --- a/arch/openrisc/mm/fault.c +++ b/arch/openrisc/mm/fault.c @@ -50,7 +50,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long address, struct vm_area_struct *vma; int si_code; vm_fault_t fault; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int flags = FAULT_FLAG_DEFAULT; tsk = current; diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c index f9be1d1cb43f..8e88e5c5f26a 100644 --- a/arch/parisc/mm/fault.c +++ b/arch/parisc/mm/fault.c @@ -274,7 +274,7 @@ void do_page_fault(struct pt_regs *regs, unsigned long code, if (!mm) goto no_context; - flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + flags = FAULT_FLAG_DEFAULT; if (user_mode(regs)) flags |= FAULT_FLAG_USER; diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index 9acfed4fb0cb..974b3b9482eb 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -437,7 +437,7 @@ static int __do_page_fault(struct pt_regs *regs, unsigned long address, { struct vm_area_struct * vma; struct mm_struct *mm = current->mm; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int flags = FAULT_FLAG_DEFAULT; int is_exec = TRAP(regs) == 0x400; int is_user = user_mode(regs); int is_write = page_fault_is_write(error_code); diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c index 9c70f888bb53..76a35ceea6a5 100644 --- a/arch/riscv/mm/fault.c +++ b/arch/riscv/mm/fault.c @@ -30,7 +30,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs) struct vm_area_struct *vma; struct mm_struct *mm; unsigned long addr, cause; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int flags = FAULT_FLAG_DEFAULT; int code = SEGV_MAPERR; vm_fault_t fault; diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index bab96fd3de7c..48fc4f7a8a7a 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -429,7 +429,7 @@ static inline vm_fault_t do_exception(struct pt_regs *regs, int access) address = trans_exc_code & __FAIL_ADDR_MASK; perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address); - flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + flags = FAULT_FLAG_DEFAULT; if (user_mode(regs)) flags |= FAULT_FLAG_USER; if ((trans_exc_code & store_indication) == 0x400) diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c index eb4048ad0b38..d9c8f2d00a54 100644 --- a/arch/sh/mm/fault.c +++ b/arch/sh/mm/fault.c @@ -380,7 +380,7 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs, struct mm_struct *mm; struct vm_area_struct * vma; vm_fault_t fault; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int flags = FAULT_FLAG_DEFAULT; tsk = current; mm = tsk->mm; diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c index 7a62edf7f68b..447f61c4e996 100644 --- a/arch/sparc/mm/fault_32.c +++ b/arch/sparc/mm/fault_32.c @@ -168,7 +168,7 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write, int from_user = !(regs->psr & PSR_PS); int code; vm_fault_t fault; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int flags = FAULT_FLAG_DEFAULT; if (text_fault) address = regs->pc; diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c index d90bafb63e17..6807fba66331 100644 --- a/arch/sparc/mm/fault_64.c +++ b/arch/sparc/mm/fault_64.c @@ -267,7 +267,7 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs) int si_code, fault_code; vm_fault_t fault; unsigned long address, mm_rss; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int flags = FAULT_FLAG_DEFAULT; fault_code = get_thread_fault_code(); diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c index e62296c66c95..1176ac2938d4 100644 --- a/arch/um/kernel/trap.c +++ b/arch/um/kernel/trap.c @@ -32,7 +32,7 @@ int handle_page_fault(unsigned long address, unsigned long ip, pmd_t *pmd; pte_t *pte; int err = -EFAULT; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int flags = FAULT_FLAG_DEFAULT; *code_out = SEGV_MAPERR; diff --git a/arch/unicore32/mm/fault.c b/arch/unicore32/mm/fault.c index 59d0e6ec2cfc..34a90453ca18 100644 --- a/arch/unicore32/mm/fault.c +++ b/arch/unicore32/mm/fault.c @@ -202,7 +202,7 @@ static int do_pf(unsigned long addr, unsigned int fsr, struct pt_regs *regs) struct mm_struct *mm; int sig, code; vm_fault_t fault; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int flags = FAULT_FLAG_DEFAULT; tsk = current; mm = tsk->mm; diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 3b6cb1d612d5..b4eee25741f4 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -1284,7 +1284,7 @@ void do_user_addr_fault(struct pt_regs *regs, struct task_struct *tsk; struct mm_struct *mm; vm_fault_t fault, major = 0; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int flags = FAULT_FLAG_DEFAULT; tsk = current; mm = tsk->mm; diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c index 8651520de460..6467e3fb9762 100644 --- a/arch/xtensa/mm/fault.c +++ b/arch/xtensa/mm/fault.c @@ -43,7 +43,7 @@ void do_page_fault(struct pt_regs *regs) int is_write, is_exec; vm_fault_t fault; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int flags = FAULT_FLAG_DEFAULT; code = SEGV_MAPERR; diff --git a/include/linux/mm.h b/include/linux/mm.h index 58f27b2fd655..9c4f4c2bf758 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -416,6 +416,13 @@ extern pgprot_t protection_map[16]; /* Speculative fault, not holding mmap_sem */ #define FAULT_FLAG_SPECULATIVE 0x200 +/* + * The default fault flags that should be used by most of the + * arch-specific page fault handlers. + */ +#define FAULT_FLAG_DEFAULT (FAULT_FLAG_ALLOW_RETRY | \ + FAULT_FLAG_KILLABLE) + #define FAULT_FLAG_TRACE \ { FAULT_FLAG_WRITE, "WRITE" }, \ { FAULT_FLAG_MKWRITE, "MKWRITE" }, \