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authorDavid S. Miller <davem@sunset.davemloft.net>2007-02-22 09:24:45 -0500
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-26 04:54:13 -0400
commit038cb01ea69cb24ecf30e3ec882e429c84badbeb (patch)
treef2d78d4d9092126ec5a3ca16f5145ea49ca08c18 /arch/sparc64/kernel/process.c
parent777a447529ad138f5fceb9c9ad28bab19848f277 (diff)
[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.c15
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 @@
28#include <linux/reboot.h> 28#include <linux/reboot.h>
29#include <linux/delay.h> 29#include <linux/delay.h>
30#include <linux/compat.h> 30#include <linux/compat.h>
31#include <linux/tick.h>
31#include <linux/init.h> 32#include <linux/init.h>
32 33
33#include <asm/oplib.h> 34#include <asm/oplib.h>
@@ -88,12 +89,14 @@ void cpu_idle(void)
88 set_thread_flag(TIF_POLLING_NRFLAG); 89 set_thread_flag(TIF_POLLING_NRFLAG);
89 90
90 while(1) { 91 while(1) {
91 if (need_resched()) { 92 tick_nohz_stop_sched_tick();
92 preempt_enable_no_resched(); 93 while (!need_resched())
93 schedule(); 94 sparc64_yield();
94 preempt_disable(); 95 tick_nohz_restart_sched_tick();
95 } 96
96 sparc64_yield(); 97 preempt_enable_no_resched();
98 schedule();
99 preempt_disable();
97 } 100 }
98} 101}
99 102