diff options
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 @@ | |||
14 | #include <asm/page.h> | 14 | #include <asm/page.h> |
15 | #include <asm/pgtable.h> | 15 | #include <asm/pgtable.h> |
16 | #include <asm/mtrr.h> | 16 | #include <asm/mtrr.h> |
17 | #include <asm/xcr.h> | ||
17 | 18 | ||
18 | static void fix_processor_context(void); | 19 | static void fix_processor_context(void); |
19 | 20 | ||
@@ -122,6 +123,12 @@ static void __restore_processor_state(struct saved_context *ctxt) | |||
122 | wrmsrl(MSR_GS_BASE, ctxt->gs_base); | 123 | wrmsrl(MSR_GS_BASE, ctxt->gs_base); |
123 | wrmsrl(MSR_KERNEL_GS_BASE, ctxt->gs_kernel_base); | 124 | wrmsrl(MSR_KERNEL_GS_BASE, ctxt->gs_kernel_base); |
124 | 125 | ||
126 | /* | ||
127 | * restore XCR0 for xsave capable cpu's. | ||
128 | */ | ||
129 | if (cpu_has_xsave) | ||
130 | xsetbv(XCR_XFEATURE_ENABLED_MASK, pcntxt_mask); | ||
131 | |||
125 | fix_processor_context(); | 132 | fix_processor_context(); |
126 | 133 | ||
127 | do_fpu_end(); | 134 | do_fpu_end(); |