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