diff options
| author | David Vrabel <david.vrabel@csr.com> | 2009-01-02 13:17:13 +0000 |
|---|---|---|
| committer | David Vrabel <david.vrabel@csr.com> | 2009-01-02 13:17:13 +0000 |
| commit | b21a207141d83a06abc5f492b80204602e02ca44 (patch) | |
| tree | f0152cde543008c72d7eb5c12c18095ad92785e6 /arch/x86/kernel/cpu/amd.c | |
| parent | 3af373021fa32f8f787bfbdcc1a9277a287bde4e (diff) | |
| parent | b58602a4bac012b5f4fc12fe6b46ab237b610d5d (diff) | |
| download | lwn-b21a207141d83a06abc5f492b80204602e02ca44.tar.gz lwn-b21a207141d83a06abc5f492b80204602e02ca44.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream
Conflicts:
drivers/uwb/wlp/eda.c
Diffstat (limited to 'arch/x86/kernel/cpu/amd.c')
| -rw-r--r-- | arch/x86/kernel/cpu/amd.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 8f1e31db2ad5..7c878f6aa919 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -283,9 +283,14 @@ static void __cpuinit early_init_amd(struct cpuinfo_x86 *c) { early_init_amd_mc(c); - /* c->x86_power is 8000_0007 edx. Bit 8 is constant TSC */ - if (c->x86_power & (1<<8)) + /* + * c->x86_power is 8000_0007 edx. Bit 8 is TSC runs at constant rate + * with P/T states and does not stop in deep C-states + */ + if (c->x86_power & (1 << 8)) { set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC); + set_cpu_cap(c, X86_FEATURE_NONSTOP_TSC); + } #ifdef CONFIG_X86_64 set_cpu_cap(c, X86_FEATURE_SYSCALL32); |