From: Chris Wright Add tick_nohz_{stop,restart}_sched_tick to idle loop in prepartion for turning on dynticks. These are just noops until NO_HZ is enabled in next patch. Signed-off-by: Chris Wright Signed-off-by: Thomas Gleixner Cc: Andi Kleen --- arch/x86_64/kernel/process.c | 4 ++++ 1 file changed, 4 insertions(+) Index: linux-2.6.22-rc4-mm/arch/x86_64/kernel/process.c =================================================================== --- linux-2.6.22-rc4-mm.orig/arch/x86_64/kernel/process.c 2007-06-23 14:38:54.000000000 +0200 +++ linux-2.6.22-rc4-mm/arch/x86_64/kernel/process.c 2007-06-23 14:39:00.000000000 +0200 @@ -37,6 +37,7 @@ #include #include #include +#include #include #include @@ -207,6 +208,8 @@ void cpu_idle (void) if (__get_cpu_var(cpu_idle_state)) __get_cpu_var(cpu_idle_state) = 0; + tick_nohz_stop_sched_tick(); + check_pgt_cache(); rmb(); idle = pm_idle; @@ -228,6 +231,7 @@ void cpu_idle (void) __exit_idle(); } + tick_nohz_restart_sched_tick(); preempt_enable_no_resched(); schedule(); preempt_disable(); -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/