diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-08-11 13:27:47 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-08-11 13:27:47 +0200 |
| commit | c4c0c56a7a85ed5725786219e4fbca7e840b1531 (patch) | |
| tree | c9d6b35a571fd5e80ddf5bf4a60142480eaa18d8 /arch/powerpc/include/asm/irqflags.h | |
| parent | 5127bed588a2f8f3a1f732de2a8a190b7df5dce3 (diff) | |
| parent | 796aadeb1b2db9b5d463946766c5bbfd7717158c (diff) | |
Merge branch 'linus' into core/rcu
Diffstat (limited to 'arch/powerpc/include/asm/irqflags.h')
| -rw-r--r-- | arch/powerpc/include/asm/irqflags.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/irqflags.h b/arch/powerpc/include/asm/irqflags.h new file mode 100644 index 000000000000..17ba3a881bfd --- /dev/null +++ b/arch/powerpc/include/asm/irqflags.h @@ -0,0 +1,42 @@ +/* + * IRQ flags handling + */ +#ifndef _ASM_IRQFLAGS_H +#define _ASM_IRQFLAGS_H + +#ifndef __ASSEMBLY__ +/* + * Get definitions for raw_local_save_flags(x), etc. + */ +#include <asm/hw_irq.h> + +#else +#ifdef CONFIG_TRACE_IRQFLAGS +/* + * Most of the CPU's IRQ-state tracing is done from assembly code; we + * have to call a C function so call a wrapper that saves all the + * C-clobbered registers. + */ +#define TRACE_ENABLE_INTS bl .trace_hardirqs_on +#define TRACE_DISABLE_INTS bl .trace_hardirqs_off +#define TRACE_AND_RESTORE_IRQ_PARTIAL(en,skip) \ + cmpdi en, 0; \ + bne 95f; \ + stb en,PACASOFTIRQEN(r13); \ + bl .trace_hardirqs_off; \ + b skip; \ +95: bl .trace_hardirqs_on; \ + li en,1; +#define TRACE_AND_RESTORE_IRQ(en) \ + TRACE_AND_RESTORE_IRQ_PARTIAL(en,96f); \ +96: stb en,PACASOFTIRQEN(r13) +#else +#define TRACE_ENABLE_INTS +#define TRACE_DISABLE_INTS +#define TRACE_AND_RESTORE_IRQ_PARTIAL(en,skip) +#define TRACE_AND_RESTORE_IRQ(en) \ + stb en,PACASOFTIRQEN(r13) +#endif +#endif + +#endif |