diff options
| -rw-r--r-- | arch/ia64/include/asm/processor.h | 1 | ||||
| -rw-r--r-- | arch/ia64/kernel/process.c | 20 |
2 files changed, 0 insertions, 21 deletions
diff --git a/arch/ia64/include/asm/processor.h b/arch/ia64/include/asm/processor.h index 483f6c6a4238..f92f67aba618 100644 --- a/arch/ia64/include/asm/processor.h +++ b/arch/ia64/include/asm/processor.h | |||
| @@ -723,7 +723,6 @@ extern unsigned long boot_option_idle_override; | |||
| 723 | enum idle_boot_override {IDLE_NO_OVERRIDE=0, IDLE_HALT, IDLE_FORCE_MWAIT, | 723 | enum idle_boot_override {IDLE_NO_OVERRIDE=0, IDLE_HALT, IDLE_FORCE_MWAIT, |
| 724 | IDLE_NOMWAIT, IDLE_POLL}; | 724 | IDLE_NOMWAIT, IDLE_POLL}; |
| 725 | 725 | ||
| 726 | void cpu_idle_wait(void); | ||
| 727 | void default_idle(void); | 726 | void default_idle(void); |
| 728 | 727 | ||
| 729 | #define ia64_platform_is(x) (strcmp(x, platform_name) == 0) | 728 | #define ia64_platform_is(x) (strcmp(x, platform_name) == 0) |
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index ce74e143aea3..5e0e86ddb12f 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c | |||
| @@ -273,26 +273,6 @@ static inline void play_dead(void) | |||
| 273 | } | 273 | } |
| 274 | #endif /* CONFIG_HOTPLUG_CPU */ | 274 | #endif /* CONFIG_HOTPLUG_CPU */ |
| 275 | 275 | ||
| 276 | static void do_nothing(void *unused) | ||
| 277 | { | ||
| 278 | } | ||
| 279 | |||
| 280 | /* | ||
| 281 | * cpu_idle_wait - Used to ensure that all the CPUs discard old value of | ||
| 282 | * pm_idle and update to new pm_idle value. Required while changing pm_idle | ||
| 283 | * handler on SMP systems. | ||
| 284 | * | ||
| 285 | * Caller must have changed pm_idle to the new value before the call. Old | ||
| 286 | * pm_idle value will not be used by any CPU after the return of this function. | ||
| 287 | */ | ||
| 288 | void cpu_idle_wait(void) | ||
| 289 | { | ||
| 290 | smp_mb(); | ||
| 291 | /* kick all the CPUs so that they exit out of pm_idle */ | ||
| 292 | smp_call_function(do_nothing, NULL, 1); | ||
| 293 | } | ||
| 294 | EXPORT_SYMBOL_GPL(cpu_idle_wait); | ||
| 295 | |||
| 296 | void __attribute__((noreturn)) | 276 | void __attribute__((noreturn)) |
| 297 | cpu_idle (void) | 277 | cpu_idle (void) |
| 298 | { | 278 | { |
