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| author | Ingo Molnar <mingo@elte.hu> | 2010-04-02 19:37:50 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-04-02 19:38:10 +0200 |
| commit | ec5e61aabeac58670691bd0613388d16697d0d81 (patch) | |
| tree | 59838509358f27334874b90756505785cde29b02 /arch/microblaze/kernel/process.c | |
| parent | 75ec5a245c7763c397f31ec8964d0a46c54a7386 (diff) | |
| parent | 8bb39f9aa068262732fe44b965d7a6eb5a5a7d67 (diff) | |
| download | op-kernel-dev-ec5e61aabeac58670691bd0613388d16697d0d81.zip op-kernel-dev-ec5e61aabeac58670691bd0613388d16697d0d81.tar.gz | |
Merge branch 'perf/urgent' into perf/core
Conflicts:
arch/x86/kernel/cpu/perf_event.c
Merge reason: Resolve the conflict, pick up fixes
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/microblaze/kernel/process.c')
| -rw-r--r-- | arch/microblaze/kernel/process.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c index 812f1bf..09bed44 100644 --- a/arch/microblaze/kernel/process.c +++ b/arch/microblaze/kernel/process.c @@ -15,6 +15,7 @@ #include <linux/bitops.h> #include <asm/system.h> #include <asm/pgalloc.h> +#include <asm/uaccess.h> /* for USER_DS macros */ #include <asm/cacheflush.h> void show_regs(struct pt_regs *regs) @@ -74,7 +75,10 @@ __setup("hlt", hlt_setup); void default_idle(void) { - if (!hlt_counter) { + if (likely(hlt_counter)) { + while (!need_resched()) + cpu_relax(); + } else { clear_thread_flag(TIF_POLLING_NRFLAG); smp_mb__after_clear_bit(); local_irq_disable(); @@ -82,9 +86,7 @@ void default_idle(void) cpu_sleep(); local_irq_enable(); set_thread_flag(TIF_POLLING_NRFLAG); - } else - while (!need_resched()) - cpu_relax(); + } } void cpu_idle(void) |
