Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=02290683343391a50f45599710295dafa2ddd018 Commit: 02290683343391a50f45599710295dafa2ddd018 Parent: c4d58cbd158dc9b30c55c0e3881ae7c6b8843d5a Author: Chris Wright <[EMAIL PROTECTED]> AuthorDate: Fri Oct 12 23:04:07 2007 +0200 Committer: Thomas Gleixner <[EMAIL PROTECTED]> CommitDate: Fri Oct 12 23:04:07 2007 +0200
x86_64: prepare idle loop for dynamic ticks 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. Signed-off-by: Chris Wright <[EMAIL PROTECTED]> Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]> Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]> Signed-off-by: Arjan van de Ven <[EMAIL PROTECTED]> --- arch/x86/kernel/process_64.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 9895655..6f9dbbe 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -38,6 +38,7 @@ #include <linux/notifier.h> #include <linux/kprobes.h> #include <linux/kdebug.h> +#include <linux/tick.h> #include <asm/uaccess.h> #include <asm/pgtable.h> @@ -208,6 +209,8 @@ void cpu_idle (void) if (__get_cpu_var(cpu_idle_state)) __get_cpu_var(cpu_idle_state) = 0; + tick_nohz_stop_sched_tick(); + rmb(); idle = pm_idle; if (!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 git-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html