diff options
| author | Andi Kleen <ak@suse.de> | 2007-10-19 20:35:02 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-19 20:35:02 +0200 |
| commit | af93ebc0b3ed8cdf93a6ed4bc1fab548f8059d0a (patch) | |
| tree | d283cf44902a0ca14f1fe956765a2ba7391d6e09 | |
| parent | 096708dcf71de6ab5f839ae68ee42275673dc178 (diff) | |
| download | op-kernel-dev-af93ebc0b3ed8cdf93a6ed4bc1fab548f8059d0a.zip op-kernel-dev-af93ebc0b3ed8cdf93a6ed4bc1fab548f8059d0a.tar.gz | |
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 <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | 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); |
