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 <[EMAIL PROTECTED]> Cc: Thomas Gleixner <[EMAIL PROTECTED]> Cc: Ingo Molnar <[EMAIL PROTECTED]> Cc: john stultz <[EMAIL PROTECTED]> Cc: Andi Kleen <[EMAIL PROTECTED]> --- arch/x86_64/kernel/process.c | 3 +++ 1 file changed, 3 insertions(+) --- linus-2.6.orig/arch/x86_64/kernel/process.c +++ linus-2.6/arch/x86_64/kernel/process.c @@ -36,6 +36,7 @@ #include <linux/random.h> #include <linux/notifier.h> #include <linux/kprobes.h> +#include <linux/tick.h> #include <asm/uaccess.h> #include <asm/pgtable.h> @@ -201,6 +202,7 @@ void cpu_idle (void) current_thread_info()->status |= TS_POLLING; /* endless idle loop with no priority at all */ while (1) { + tick_nohz_stop_sched_tick(); while (!need_resched()) { void (*idle)(void); @@ -227,6 +229,7 @@ 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 [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/