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Diffstat (limited to 'arch/x86_64/mm/fault.c')
-rw-r--r--arch/x86_64/mm/fault.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/arch/x86_64/mm/fault.c b/arch/x86_64/mm/fault.c
index 49e8cf2e06f8..6ada7231f3ab 100644
--- a/arch/x86_64/mm/fault.c
+++ b/arch/x86_64/mm/fault.c
@@ -56,17 +56,17 @@ int unregister_page_fault_notifier(struct notifier_block *nb)
56} 56}
57EXPORT_SYMBOL_GPL(unregister_page_fault_notifier); 57EXPORT_SYMBOL_GPL(unregister_page_fault_notifier);
58 58
59static inline int notify_page_fault(enum die_val val, const char *str, 59static inline int notify_page_fault(struct pt_regs *regs, long err)
60 struct pt_regs *regs, long err, int trap, int sig)
61{ 60{
62 struct die_args args = { 61 struct die_args args = {
63 .regs = regs, 62 .regs = regs,
64 .str = str, 63 .str = "page fault",
65 .err = err, 64 .err = err,
66 .trapnr = trap, 65 .trapnr = 14,
67 .signr = sig 66 .signr = SIGSEGV
68 }; 67 };
69 return atomic_notifier_call_chain(&notify_page_fault_chain, val, &args); 68 return atomic_notifier_call_chain(&notify_page_fault_chain,
69 DIE_PAGE_FAULT, &args);
70} 70}
71 71
72/* Sometimes the CPU reports invalid exceptions on prefetch. 72/* Sometimes the CPU reports invalid exceptions on prefetch.
@@ -355,8 +355,7 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
355 if (vmalloc_fault(address) >= 0) 355 if (vmalloc_fault(address) >= 0)
356 return; 356 return;
357 } 357 }
358 if (notify_page_fault(DIE_PAGE_FAULT, "page fault", regs, error_code, 14, 358 if (notify_page_fault(regs, error_code) == NOTIFY_STOP)
359 SIGSEGV) == NOTIFY_STOP)
360 return; 359 return;
361 /* 360 /*
362 * Don't take the mm semaphore here. If we fixup a prefetch 361 * Don't take the mm semaphore here. If we fixup a prefetch
@@ -365,8 +364,7 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
365 goto bad_area_nosemaphore; 364 goto bad_area_nosemaphore;
366 } 365 }
367 366
368 if (notify_page_fault(DIE_PAGE_FAULT, "page fault", regs, error_code, 14, 367 if (notify_page_fault(regs, error_code) == NOTIFY_STOP)
369 SIGSEGV) == NOTIFY_STOP)
370 return; 368 return;
371 369
372 if (likely(regs->eflags & X86_EFLAGS_IF)) 370 if (likely(regs->eflags & X86_EFLAGS_IF))