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| author | Wei Gang <gang.wei@intel.com> | 2011-02-21 09:11:57 +0000 |
|---|---|---|
| committer | Wei Gang <gang.wei@intel.com> | 2011-02-21 09:11:57 +0000 |
| commit | 3af87a7ece7f27a537a006196873ca9fda696616 (patch) | |
| tree | 5fd8c0199526ccb8651a76da2b334223b6e41b7d /xen/include/asm-x86/i387.h | |
| parent | 0dba10b8e37f3f63ed9f5ed449d9e9e0c8c9f1aa (diff) | |
| download | xen-3af87a7ece7f27a537a006196873ca9fda696616.tar.gz xen-3af87a7ece7f27a537a006196873ca9fda696616.tar.bz2 xen-3af87a7ece7f27a537a006196873ca9fda696616.zip | |
x86: add strictly sanity check for XSAVE/XRSTOR
Replace most checks on cpu_has_xsave with checks on new fn
xsave_enabled(), do additional sanity checks in the new fn.
Signed-off-by: Wei Gang <gang.wei@intel.com>
Signed-off-by: Keir Fraser <keir.xen@gmail.com>
Diffstat (limited to 'xen/include/asm-x86/i387.h')
| -rw-r--r-- | xen/include/asm-x86/i387.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/xen/include/asm-x86/i387.h b/xen/include/asm-x86/i387.h index 2cbbbc40e9..8e10d927e1 100644 --- a/xen/include/asm-x86/i387.h +++ b/xen/include/asm-x86/i387.h @@ -11,8 +11,10 @@ #ifndef __ASM_I386_I387_H #define __ASM_I386_I387_H -#include <xen/sched.h> -#include <asm/processor.h> +#include <xen/types.h> +#include <xen/percpu.h> + +struct vcpu; extern unsigned int xsave_cntxt_size; extern u64 xfeature_mask; @@ -20,6 +22,7 @@ extern u64 xfeature_mask; void xsave_init(void); int xsave_alloc_save_area(struct vcpu *v); void xsave_free_save_area(struct vcpu *v); +bool_t xsave_enabled(const struct vcpu *v); #define XSAVE_AREA_MIN_SIZE (512 + 64) /* FP/SSE + XSAVE.HEADER */ #define XSTATE_FP (1ULL << 0) |