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| author | Thomas Gleixner <tglx@linutronix.de> | 2008-11-24 19:54:37 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2008-11-24 19:54:37 +0100 |
| commit | 3e1d7a6219ab64e13b10b1a77c0625db9a8bd8db (patch) | |
| tree | c682da7317845d7b1336e3d8498cf83bdf8f5900 /arch/x86/power/cpu_64.c | |
| parent | 42569c39917a08e8de1e8b5685463be7b74baebd (diff) | |
| parent | 13d428afc007fcfcd6deeb215618f54cf9c0cae6 (diff) | |
| download | talos-op-linux-3e1d7a6219ab64e13b10b1a77c0625db9a8bd8db.tar.gz talos-op-linux-3e1d7a6219ab64e13b10b1a77c0625db9a8bd8db.zip | |
Merge branch 'linus' into core/futexes
Diffstat (limited to 'arch/x86/power/cpu_64.c')
| -rw-r--r-- | arch/x86/power/cpu_64.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/power/cpu_64.c b/arch/x86/power/cpu_64.c index 66bdfb591fd8..e3b6cf70d62c 100644 --- a/arch/x86/power/cpu_64.c +++ b/arch/x86/power/cpu_64.c @@ -14,6 +14,7 @@ #include <asm/page.h> #include <asm/pgtable.h> #include <asm/mtrr.h> +#include <asm/xcr.h> static void fix_processor_context(void); @@ -122,6 +123,12 @@ static void __restore_processor_state(struct saved_context *ctxt) wrmsrl(MSR_GS_BASE, ctxt->gs_base); wrmsrl(MSR_KERNEL_GS_BASE, ctxt->gs_kernel_base); + /* + * restore XCR0 for xsave capable cpu's. + */ + if (cpu_has_xsave) + xsetbv(XCR_XFEATURE_ENABLED_MASK, pcntxt_mask); + fix_processor_context(); do_fpu_end(); |
