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| author | Ingo Molnar <mingo@elte.hu> | 2008-09-05 09:18:39 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-05 09:18:39 +0200 |
| commit | accf0fa697eeb5ff4c2360edc4da5b10abac0b7b (patch) | |
| tree | a57dc9aa4a6b83be8ac8b4528cf06db5621e62aa /arch/x86/kernel/cpu | |
| parent | ebd60cd64f8ab1170102c3ab072eb73042b7a33d (diff) | |
| parent | fe47784ba5cbb6b713c013e046859946789b45e4 (diff) | |
Merge branch 'x86/xsave' into x86/core
Diffstat (limited to 'arch/x86/kernel/cpu')
| -rw-r--r-- | arch/x86/kernel/cpu/common.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 0785b3c8d04..c63ec65f484 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -739,9 +739,20 @@ void __cpuinit cpu_init(void) /* * Force FPU initialization: */ - current_thread_info()->status = 0; + if (cpu_has_xsave) + current_thread_info()->status = TS_XSAVE; + else + current_thread_info()->status = 0; clear_used_math(); mxcsr_feature_mask_init(); + + /* + * Boot processor to setup the FP and extended state context info. + */ + if (!smp_processor_id()) + init_thread_xstate(); + + xsave_init(); } #ifdef CONFIG_HOTPLUG_CPU |