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[PATCH] uml: remove debugging code from page fault path

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This eliminates the segfault info ring buffer, which added a system call to
each page fault, and which hadn't been useful for debugging in ages.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jeff Dike
2005-09-03 15:57:12 -07:00
committed by Linus Torvalds
parent 49f9ebc894
commit 96e59245e1
2 changed files with 0 additions and 48 deletions
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27
arch/um/kernel/trap_kern.c
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@ -200,30 +200,3 @@ void winch(int sig, union uml_pt_regs *regs)
void trap_init(void)
{
}
DEFINE_SPINLOCK(trap_lock);
static int trap_index = 0;
int next_trap_index(int limit)
{
int ret;
spin_lock(&trap_lock);
ret = trap_index;
if(++trap_index == limit)
trap_index = 0;
spin_unlock(&trap_lock);
return(ret);
}
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
* adjust the settings for this buffer only. This must remain at the end
* of the file.
* ---------------------------------------------------------------------------
* Local variables:
* c-file-style: "linux"
* End:
*/