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authorJan Beulich <jbeulich@novell.com>2007-02-13 13:26:23 +0100
committerAndi Kleen <andi@basil.nowhere.org>2007-02-13 13:26:23 +0100
commit9b355897562fe2291248a7aec8e479c2c98cf117 (patch)
tree89408794c55f41773b6e1b87672b2353f26dc14e
parent6a051565739f9d334ad5c15f691a9699a905897d (diff)
[PATCH] x86: simplify notify_page_fault()
Remove all parameters from this function that aren't really variable. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andi Kleen <ak@suse.de>
-rw-r--r--arch/i386/mm/fault.c18
-rw-r--r--arch/x86_64/mm/fault.c18
2 files changed, 16 insertions, 20 deletions
diff --git a/arch/i386/mm/fault.c b/arch/i386/mm/fault.c
index cba9b3894a3..b8c4e259fc8 100644
--- a/arch/i386/mm/fault.c
+++ b/arch/i386/mm/fault.c
@@ -46,17 +46,17 @@ int unregister_page_fault_notifier(struct notifier_block *nb)
}
EXPORT_SYMBOL_GPL(unregister_page_fault_notifier);
-static inline int notify_page_fault(enum die_val val, const char *str,
- struct pt_regs *regs, long err, int trap, int sig)
+static inline int notify_page_fault(struct pt_regs *regs, long err)
{
struct die_args args = {
.regs = regs,
- .str = str,
+ .str = "page fault",
.err = err,
- .trapnr = trap,
- .signr = sig
+ .trapnr = 14,
+ .signr = SIGSEGV
};
- return atomic_notifier_call_chain(&notify_page_fault_chain, val, &args);
+ return atomic_notifier_call_chain(&notify_page_fault_chain,
+ DIE_PAGE_FAULT, &args);
}
/*
@@ -327,8 +327,7 @@ fastcall void __kprobes do_page_fault(struct pt_regs *regs,
if (unlikely(address >= TASK_SIZE)) {
if (!(error_code & 0x0000000d) && vmalloc_fault(address) >= 0)
return;
- if (notify_page_fault(DIE_PAGE_FAULT, "page fault", regs, error_code, 14,
- SIGSEGV) == NOTIFY_STOP)
+ if (notify_page_fault(regs, error_code) == NOTIFY_STOP)
return;
/*
* Don't take the mm semaphore here. If we fixup a prefetch
@@ -337,8 +336,7 @@ fastcall void __kprobes do_page_fault(struct pt_regs *regs,
goto bad_area_nosemaphore;
}
- if (notify_page_fault(DIE_PAGE_FAULT, "page fault", regs, error_code, 14,
- SIGSEGV) == NOTIFY_STOP)
+ if (notify_page_fault(regs, error_code) == NOTIFY_STOP)
return;
/* It's safe to allow irq's after cr2 has been saved and the vmalloc
diff --git a/arch/x86_64/mm/fault.c b/arch/x86_64/mm/fault.c
index 49e8cf2e06f..6ada7231f3a 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)
}
EXPORT_SYMBOL_GPL(unregister_page_fault_notifier);
-static inline int notify_page_fault(enum die_val val, const char *str,
- struct pt_regs *regs, long err, int trap, int sig)
+static inline int notify_page_fault(struct pt_regs *regs, long err)
{
struct die_args args = {
.regs = regs,
- .str = str,
+ .str = "page fault",
.err = err,
- .trapnr = trap,
- .signr = sig
+ .trapnr = 14,
+ .signr = SIGSEGV
};
- return atomic_notifier_call_chain(&notify_page_fault_chain, val, &args);
+ return atomic_notifier_call_chain(&notify_page_fault_chain,
+ DIE_PAGE_FAULT, &args);
}
/* Sometimes the CPU reports invalid exceptions on prefetch.
@@ -355,8 +355,7 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
if (vmalloc_fault(address) >= 0)
return;
}
- if (notify_page_fault(DIE_PAGE_FAULT, "page fault", regs, error_code, 14,
- SIGSEGV) == NOTIFY_STOP)
+ if (notify_page_fault(regs, error_code) == NOTIFY_STOP)
return;
/*
* 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,
goto bad_area_nosemaphore;
}
- if (notify_page_fault(DIE_PAGE_FAULT, "page fault", regs, error_code, 14,
- SIGSEGV) == NOTIFY_STOP)
+ if (notify_page_fault(regs, error_code) == NOTIFY_STOP)
return;
if (likely(regs->eflags & X86_EFLAGS_IF))