diff options
| author | Wim Van Sebroeck <wim@iguana.be> | 2007-05-01 06:53:01 +0000 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2007-05-01 06:53:01 +0000 |
| commit | 48a7afe314bfc4d7f50e1608632f503dbba7e013 (patch) | |
| tree | 4a80e6b96321a71affd1bacea817de93be08894b /include/asm-mips/irqflags.h | |
| parent | fb8f7ba077b5c665432082ab205bcd2cb01f6a3c (diff) | |
| parent | dc87c3985e9b442c60994308a96f887579addc39 (diff) | |
Merge /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/asm-mips/irqflags.h')
| -rw-r--r-- | include/asm-mips/irqflags.h | 55 |
1 files changed, 23 insertions, 32 deletions
diff --git a/include/asm-mips/irqflags.h b/include/asm-mips/irqflags.h index af3b07dfad4..e459fa05db8 100644 --- a/include/asm-mips/irqflags.h +++ b/include/asm-mips/irqflags.h @@ -13,29 +13,9 @@ #ifndef __ASSEMBLY__ +#include <linux/compiler.h> #include <asm/hazards.h> -/* - * CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY does prompt replay of deferred IPIs, - * at the cost of branch and call overhead on each local_irq_restore() - */ - -#ifdef CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY - -extern void smtc_ipi_replay(void); - -#define irq_restore_epilog(flags) \ -do { \ - if (!(flags & 0x0400)) \ - smtc_ipi_replay(); \ -} while (0) - -#else - -#define irq_restore_epilog(ignore) do { } while (0) - -#endif /* CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY */ - __asm__ ( " .macro raw_local_irq_enable \n" " .set push \n" @@ -205,17 +185,28 @@ __asm__ ( " .set pop \n" " .endm \n"); -#define raw_local_irq_restore(flags) \ -do { \ - unsigned long __tmp1; \ - \ - __asm__ __volatile__( \ - "raw_local_irq_restore\t%0" \ - : "=r" (__tmp1) \ - : "0" (flags) \ - : "memory"); \ - irq_restore_epilog(flags); \ -} while(0) +extern void smtc_ipi_replay(void); + +static inline void raw_local_irq_restore(unsigned long flags) +{ + unsigned long __tmp1; + +#ifdef CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY + /* + * CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY does prompt replay of deferred + * IPIs, at the cost of branch and call overhead on each + * local_irq_restore() + */ + if (unlikely(!(flags & 0x0400))) + smtc_ipi_replay(); +#endif + + __asm__ __volatile__( + "raw_local_irq_restore\t%0" + : "=r" (__tmp1) + : "0" (flags) + : "memory"); +} static inline int raw_irqs_disabled_flags(unsigned long flags) { |