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| author | Keir Fraser <keir@xen.org> | 2010-12-24 08:37:34 +0000 |
|---|---|---|
| committer | Keir Fraser <keir@xen.org> | 2010-12-24 08:37:34 +0000 |
| commit | 40aca4eccbd7158b99e3270b662c0b8c0b2e7ee3 (patch) | |
| tree | f38b2ba2210ca335ff535cca54a2deaa6a224e16 /xen/arch/x86/i387.c | |
| parent | 52c139177c9cfb0941abf21bb7db775b9745002d (diff) | |
| download | xen-40aca4eccbd7158b99e3270b662c0b8c0b2e7ee3.tar.gz xen-40aca4eccbd7158b99e3270b662c0b8c0b2e7ee3.tar.bz2 xen-40aca4eccbd7158b99e3270b662c0b8c0b2e7ee3.zip | |
x86 xsave: Fix 64bit xsave_feature support for set_xcr0().
Signed-off-by: Wei Huang <wei.huang2@amd.com>
Diffstat (limited to 'xen/arch/x86/i387.c')
| -rw-r--r-- | xen/arch/x86/i387.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/xen/arch/x86/i387.c b/xen/arch/x86/i387.c index 1ddb2c7495..5f3f041613 100644 --- a/xen/arch/x86/i387.c +++ b/xen/arch/x86/i387.c @@ -187,7 +187,7 @@ void xsave_init(void) * Set CR4_OSXSAVE and run "cpuid" to get xsave_cntxt_size. */ set_in_cr4(X86_CR4_OSXSAVE); - set_xcr0(eax & XCNTXT_MASK); + set_xcr0((((u64)edx << 32) | eax) & XCNTXT_MASK); cpuid_count(XSTATE_CPUID, 0, &eax, &ebx, &ecx, &edx); if ( cpu == 0 ) |