From 13af4836b3914b23946f6a8982934e2c828c183f Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Wed, 2 Apr 2008 13:23:22 +0200 Subject: [PATCH] x86: improve default idle Signed-off-by: Ingo Molnar --- arch/x86/kernel/process_32.c | 8 -------- arch/x86/kernel/process_64.c | 8 -------- 2 files changed, 16 deletions(-) diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index 08c41ed5e80..3903a8f2eb9 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 4f40272474d..e75ccc8a2b8 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; -- 2.41.1