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[PATCH] lockdep: irqtrace subsystem, i386 support

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Add irqflags-tracing support to i386.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ingo Molnar
2006-07-03 00:24:43 -07:00
committed by Linus Torvalds
parent 55df314fbd
commit 55f327fa9e
6 changed files with 104 additions and 23 deletions
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5
include/asm-i386/spinlock.h
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@@ -31,6 +31,11 @@
"jmp 1b\n" \
"3:\n\t"
/*
* NOTE: there's an irqs-on section here, which normally would have to be
* irq-traced, but on CONFIG_TRACE_IRQFLAGS we never use
* __raw_spin_lock_string_flags().
*/
#define __raw_spin_lock_string_flags \
"\n1:\t" \
"lock ; decb %0\n\t" \