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authorThomas Gleixner <tglx@linutronix.de>2013-04-03 12:27:29 +0200
committerThomas Gleixner <tglx@linutronix.de>2013-04-03 12:27:29 +0200
commit0ed2aef9b3bffe598045b62a31a50d912eee92d8 (patch)
treed7dda12955c838f531727d2775d09c4e04bdf066 /arch/x86/kernel/cpu/intel.c
parentcfea7d7e452f57682a0bb55a55e9f79c569558c2 (diff)
parent8011657b9e63cb2e914b9a0f75233b910c1854cb (diff)
Merge branch 'fortglx/3.10/time' of git://git.linaro.org/people/jstultz/linux into timers/core
Diffstat (limited to 'arch/x86/kernel/cpu/intel.c')
-rw-r--r--arch/x86/kernel/cpu/intel.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index 1905ce98bee..e7ae0d89e7e 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -96,6 +96,18 @@ static void __cpuinit early_init_intel(struct cpuinfo_x86 *c)
sched_clock_stable = 1;
}
+ /* Penwell and Cloverview have the TSC which doesn't sleep on S3 */
+ if (c->x86 == 6) {
+ switch (c->x86_model) {
+ case 0x27: /* Penwell */
+ case 0x35: /* Cloverview */
+ set_cpu_cap(c, X86_FEATURE_NONSTOP_TSC_S3);
+ break;
+ default:
+ break;
+ }
+ }
+
/*
* There is a known erratum on Pentium III and Core Solo
* and Core Duo CPUs.