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| author | David S. Miller <davem@sunset.davemloft.net> | 2007-02-22 06:24:45 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-26 01:54:13 -0700 |
| commit | 038cb01ea69cb24ecf30e3ec882e429c84badbeb (patch) | |
| tree | f2d78d4d9092126ec5a3ca16f5145ea49ca08c18 /arch/sparc64/kernel/process.c | |
| parent | 777a447529ad138f5fceb9c9ad28bab19848f277 (diff) | |
| download | linux-038cb01ea69cb24ecf30e3ec882e429c84badbeb.tar.gz linux-038cb01ea69cb24ecf30e3ec882e429c84badbeb.tar.bz2 linux-038cb01ea69cb24ecf30e3ec882e429c84badbeb.zip | |
[SPARC64]: Add tick_nohz_{stop,restart}_sched_tick() calls to cpu_idle().
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/process.c')
| -rw-r--r-- | arch/sparc64/kernel/process.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c index b291060c25a6..a114151f9fbe 100644 --- a/arch/sparc64/kernel/process.c +++ b/arch/sparc64/kernel/process.c @@ -28,6 +28,7 @@ #include <linux/reboot.h> #include <linux/delay.h> #include <linux/compat.h> +#include <linux/tick.h> #include <linux/init.h> #include <asm/oplib.h> @@ -88,12 +89,14 @@ void cpu_idle(void) set_thread_flag(TIF_POLLING_NRFLAG); while(1) { - if (need_resched()) { - preempt_enable_no_resched(); - schedule(); - preempt_disable(); - } - sparc64_yield(); + tick_nohz_stop_sched_tick(); + while (!need_resched()) + sparc64_yield(); + tick_nohz_restart_sched_tick(); + + preempt_enable_no_resched(); + schedule(); + preempt_disable(); } } |