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| author | Ingo Molnar <mingo@kernel.org> | 2020-07-26 19:52:16 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-07-26 19:52:30 +0200 |
| commit | 2d65685a4a6ff6ef6bfe42717222db92c04224c2 (patch) | |
| tree | 894aebbf77ce53375e999cd5c6bb34ee5d28bb9f /arch/x86/power/cpu.c | |
| parent | de0038bfaf53af0e8bc4961b7aacdcb79f43bf08 (diff) | |
| parent | fbe0d451bcea569fc0ed3455511a90646c8a9c81 (diff) | |
| download | lwn-2d65685a4a6ff6ef6bfe42717222db92c04224c2.tar.gz lwn-2d65685a4a6ff6ef6bfe42717222db92c04224c2.zip | |
Merge branch 'x86/urgent' into x86/cleanups
Refresh the branch for a dependent commit.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/power/cpu.c')
| -rw-r--r-- | arch/x86/power/cpu.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c index 7c65102debaf..db1378c6ff26 100644 --- a/arch/x86/power/cpu.c +++ b/arch/x86/power/cpu.c @@ -193,6 +193,8 @@ static void fix_processor_context(void) */ static void notrace __restore_processor_state(struct saved_context *ctxt) { + struct cpuinfo_x86 *c; + if (ctxt->misc_enable_saved) wrmsrl(MSR_IA32_MISC_ENABLE, ctxt->misc_enable); /* @@ -263,6 +265,10 @@ static void notrace __restore_processor_state(struct saved_context *ctxt) mtrr_bp_restore(); perf_restore_debug_store(); msr_restore_context(ctxt); + + c = &cpu_data(smp_processor_id()); + if (cpu_has(c, X86_FEATURE_MSR_IA32_FEAT_CTL)) + init_ia32_feat_ctl(c); } /* Needed by apm.c */ |