X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-mips%2Firqflags.h;h=701ec0ba8fa9cdd596369b9de3825b284bae1ec9;hb=e105eabb5b843c6c59f921f54122221f82ca09e6;hp=e459fa05db83ca5e0c82040ef7e664a34e095880;hpb=445c9b5507b9d09a2e9b0b4dbb16517708aa40e6;p=linux-2.6-omap-h63xx.git diff --git a/include/asm-mips/irqflags.h b/include/asm-mips/irqflags.h index e459fa05db8..701ec0ba8fa 100644 --- a/include/asm-mips/irqflags.h +++ b/include/asm-mips/irqflags.h @@ -16,7 +16,7 @@ #include #include -__asm__ ( +__asm__( " .macro raw_local_irq_enable \n" " .set push \n" " .set reorder \n" @@ -38,8 +38,17 @@ __asm__ ( " .set pop \n" " .endm"); +extern void smtc_ipi_replay(void); + static inline void raw_local_irq_enable(void) { +#ifdef CONFIG_MIPS_MT_SMTC + /* + * SMTC kernel needs to do a software replay of queued + * IPIs, at the cost of call overhead on each local_irq_enable() + */ + smtc_ipi_replay(); +#endif __asm__ __volatile__( "raw_local_irq_enable" : /* no outputs */ @@ -47,6 +56,7 @@ static inline void raw_local_irq_enable(void) : "memory"); } + /* * For cli() we have to insert nops to make sure that the new value * has actually arrived in the status register before the end of this @@ -65,7 +75,7 @@ static inline void raw_local_irq_enable(void) * * Workaround: mask EXL bit of the result or place a nop before mfc0. */ -__asm__ ( +__asm__( " .macro raw_local_irq_disable\n" " .set push \n" " .set noat \n" @@ -96,7 +106,7 @@ static inline void raw_local_irq_disable(void) : "memory"); } -__asm__ ( +__asm__( " .macro raw_local_save_flags flags \n" " .set push \n" " .set reorder \n" @@ -113,7 +123,7 @@ __asm__ __volatile__( \ "raw_local_save_flags %0" \ : "=r" (x)) -__asm__ ( +__asm__( " .macro raw_local_irq_save result \n" " .set push \n" " .set reorder \n" @@ -145,7 +155,7 @@ __asm__ __volatile__( \ : /* no inputs */ \ : "memory") -__asm__ ( +__asm__( " .macro raw_local_irq_restore flags \n" " .set push \n" " .set noreorder \n" @@ -185,15 +195,14 @@ __asm__ ( " .set pop \n" " .endm \n"); -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 +#ifdef CONFIG_MIPS_MT_SMTC /* - * CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY does prompt replay of deferred + * SMTC kernel needs to do a software replay of queued * IPIs, at the cost of branch and call overhead on each * local_irq_restore() */ @@ -208,6 +217,17 @@ static inline void raw_local_irq_restore(unsigned long flags) : "memory"); } +static inline void __raw_local_irq_restore(unsigned long flags) +{ + unsigned long __tmp1; + + __asm__ __volatile__( + "raw_local_irq_restore\t%0" + : "=r" (__tmp1) + : "0" (flags) + : "memory"); +} + static inline int raw_irqs_disabled_flags(unsigned long flags) { #ifdef CONFIG_MIPS_MT_SMTC