Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=af93ebc0b3ed8cdf93a6ed4bc1fab548f8059d0a
Commit: af93ebc0b3ed8cdf93a6ed4bc1fab548f8059d0a
Parent: 096708dcf71de6ab5f839ae68ee42275673dc178
Author: Andi Kleen <[EMAIL PROTECTED]>
AuthorDate: Fri Oct 19 20:35:02 2007 +0200
Committer: Thomas Gleixner <[EMAIL PROTECTED]>
CommitDate: Fri Oct 19 20:35:02 2007 +0200
x86: remove page_fault_trace
Old debugging code that is not really needed anymore. If someone
wants it it would be better replaced with a systemtap script or
kprobe.
This avoids a potential cache miss during page fault processing.
[ mingo: arch/x86 adaptation ]
Signed-off-by: Andi Kleen <[EMAIL PROTECTED]>
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
---
arch/x86/mm/fault_64.c | 12 ------------
1 files changed, 0 insertions(+), 12 deletions(-)
diff --git a/arch/x86/mm/fault_64.c b/arch/x86/mm/fault_64.c
index 5e0e549..af79cf6 100644
--- a/arch/x86/mm/fault_64.c
+++ b/arch/x86/mm/fault_64.c
@@ -285,7 +285,6 @@ static int vmalloc_fault(unsigned long address)
return 0;
}
-static int page_fault_trace;
int show_unhandled_signals = 1;
/*
@@ -354,10 +353,6 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs
*regs,
if (likely(regs->eflags & X86_EFLAGS_IF))
local_irq_enable();
- if (unlikely(page_fault_trace))
- printk("pagefault rip:%lx rsp:%lx cs:%lu ss:%lu address %lx
error %lx\n",
-
regs->rip,regs->rsp,regs->cs,regs->ss,address,error_code);
-
if (unlikely(error_code & PF_RSVD))
pgtable_bad(address, regs, error_code);
@@ -621,10 +616,3 @@ void vmalloc_sync_all(void)
BUILD_BUG_ON(!(((MODULES_END - 1) & PGDIR_MASK) ==
(__START_KERNEL & PGDIR_MASK)));
}
-
-static int __init enable_pagefaulttrace(char *str)
-{
- page_fault_trace = 1;
- return 1;
-}
-__setup("pagefaulttrace", enable_pagefaulttrace);
-
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