mirror of
https://github.com/torvalds/linux.git
synced 2024-11-06 20:21:57 +00:00
de30a2b355
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>
32 lines
678 B
C
32 lines
678 B
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
|