linux/include/asm-powerpc/irqflags.h
Ingo Molnar de30a2b355 [PATCH] lockdep: irqtrace subsystem, core
Accurate hard-IRQ-flags and softirq-flags state tracing.

This allows us to attach extra functionality to IRQ flags on/off
events (such as trace-on/off).

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-07-03 15:27:03 -07:00

32 lines
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C

/*
* include/asm-powerpc/irqflags.h
*
* IRQ flags handling
*
* This file gets included from lowlevel asm headers too, to provide
* wrapped versions of the local_irq_*() APIs, based on the
* raw_local_irq_*() macros from the lowlevel headers.
*/
#ifndef _ASM_IRQFLAGS_H
#define _ASM_IRQFLAGS_H
/*
* Get definitions for raw_local_save_flags(x), etc.
*/
#include <asm-powerpc/hw_irq.h>
/*
* Do the CPU's IRQ-state tracing from assembly code. We call a
* C function, so save all the C-clobbered registers:
*/
#ifdef CONFIG_TRACE_IRQFLAGS
#error No support on PowerPC yet for CONFIG_TRACE_IRQFLAGS
#else
# define TRACE_IRQS_ON
# define TRACE_IRQS_OFF
#endif
#endif