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Merge branch 'x86-idle-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

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* 'x86-idle-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, hotplug: In the MWAIT case of play_dead, CLFLUSH the cache line
  x86, hotplug: Move WBINVD back outside the play_dead loop
  x86, hotplug: Use mwait to offline a processor, fix the legacy case
  x86, mwait: Move mwait constants to a common header file
This commit is contained in:
Linus Torvalds 2010-10-21 13:45:38 -07:00
commit 2a8b67fb72
6 changed files with 97 additions and 48 deletions
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9
drivers/idle/intel_idle.c
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@ -59,18 +59,11 @@
#include <linux/hrtimer.h> /* ktime_get_real() */
#include <trace/events/power.h>
#include <linux/sched.h>
#include <asm/mwait.h>
#define INTEL_IDLE_VERSION "0.4"
#define PREFIX "intel_idle: "
#define MWAIT_SUBSTATE_MASK (0xf)
#define MWAIT_CSTATE_MASK (0xf)
#define MWAIT_SUBSTATE_SIZE (4)
#define MWAIT_MAX_NUM_CSTATES 8
#define CPUID_MWAIT_LEAF (5)
#define CPUID5_ECX_EXTENSIONS_SUPPORTED (0x1)
#define CPUID5_ECX_INTERRUPT_BREAK (0x2)
static struct cpuidle_driver intel_idle_driver = {
.name = "intel_idle",
.owner = THIS_MODULE,