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| author | Steve French <sfrench@us.ibm.com> | 2010-06-16 13:19:36 +0000 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2010-06-16 13:19:36 +0000 |
| commit | 0933a95dfdb1ae5c93e1ede5899f35acc2bb244d (patch) | |
| tree | 55ac47b819a2a2084f82f9d823d9152ac2a7f2b3 /arch/x86/power/cpu.c | |
| parent | 12420ac341533f3715b3deb788637568f22b78ff (diff) | |
| parent | 7e27d6e778cd87b6f2415515d7127eba53fe5d02 (diff) | |
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/x86/power/cpu.c')
| -rw-r--r-- | arch/x86/power/cpu.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c index 0a979f3e5b8..1290ba54b35 100644 --- a/arch/x86/power/cpu.c +++ b/arch/x86/power/cpu.c @@ -105,6 +105,8 @@ static void __save_processor_state(struct saved_context *ctxt) ctxt->cr4 = read_cr4(); ctxt->cr8 = read_cr8(); #endif + ctxt->misc_enable_saved = !rdmsrl_safe(MSR_IA32_MISC_ENABLE, + &ctxt->misc_enable); } /* Needed by apm.c */ @@ -152,6 +154,8 @@ static void fix_processor_context(void) */ static void __restore_processor_state(struct saved_context *ctxt) { + if (ctxt->misc_enable_saved) + wrmsrl(MSR_IA32_MISC_ENABLE, ctxt->misc_enable); /* * control registers */ |