> Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=13af48...
> Commit: 13af4836b3914b23946f6a8982934e2c828c183f
> Parent: f5149a49f994e5c469ac398af7cdeb8eb612d3a4
> Author: Ingo Molnar <mingo@elte.hu>
> AuthorDate: Wed Apr 2 13:23:22 2008 +0200
> Committer: Ingo Molnar <mingo@elte.hu>
> CommitDate: Thu Apr 17 17:41:34 2008 +0200
>
> x86: improve default idle
>
> Signed-off-by: Ingo Molnar <mingo@elte.hu>
> ---
> arch/x86/kernel/process_32.c | 8 --------
> arch/x86/kernel/process_64.c | 8 --------
> 2 files changed, 0 insertions(+), 16 deletions(-)
>
> diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
> index 08c41ed..3903a8f 100644
> --- a/arch/x86/kernel/process_32.c
> +++ b/arch/x86/kernel/process_32.c
> @@ -113,16 +113,8 @@ void default_idle(void)
>
> local_irq_disable();
> if (!need_resched()) {
> - ktime_t t0, t1;
> - u64 t0n, t1n;
> -
> - t0 = ktime_get();
> - t0n = ktime_to_ns(t0);
> safe_halt(); /* enables interrupts racelessly */
> local_irq_disable();
> - t1 = ktime_get();
> - t1n = ktime_to_ns(t1);
> - sched_clock_idle_wakeup_event(t1n - t0n);
> }
> local_irq_enable();
> current_thread_info()->status |= TS_POLLING;
> diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
> index 4f40272..e75ccc8 100644
> --- a/arch/x86/kernel/process_64.c
> +++ b/arch/x86/kernel/process_64.c
> @@ -107,16 +107,8 @@ void default_idle(void)
> smp_mb();
> local_irq_disable();
> if (!need_resched()) {
> - ktime_t t0, t1;
> - u64 t0n, t1n;
> -
> - t0 = ktime_get();
> - t0n = ktime_to_ns(t0);
> safe_halt(); /* enables interrupts racelessly */
> local_irq_disable();
> - t1 = ktime_get();
> - t1n = ktime_to_ns(t1);
> - sched_clock_idle_wakeup_event(t1n - t0n);
> }
> local_irq_enable();
> current_thread_info()->status |= TS_POLLING;
