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authorDexuan Cui <dexuan.cui@intel.com>2010-06-10 11:27:12 +0800
committerAvi Kivity <avi@redhat.com>2010-08-01 10:46:31 +0300
commit2acf923e38fb6a4ce0c57115decbb38d334902ac (patch)
tree51a0fba243c857a3bc373ab152c6374c804df224 /include/linux/kvm_host.h
parentf495c6e5e8fdc972162241df5bdff5bcebb4dc33 (diff)
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KVM: VMX: Enable XSAVE/XRSTOR for guest
This patch enable guest to use XSAVE/XRSTOR instructions. We assume that host_xcr0 would use all possible bits that OS supported. And we loaded xcr0 in the same way we handled fpu - do it as late as we can. Signed-off-by: Dexuan Cui <dexuan.cui@intel.com> Signed-off-by: Sheng Yang <sheng@linux.intel.com> Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'include/linux/kvm_host.h')
-rw-r--r--include/linux/kvm_host.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 2c62319727ef..2d96555cd4ed 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -88,7 +88,7 @@ struct kvm_vcpu {
int srcu_idx;
int fpu_active;
- int guest_fpu_loaded;
+ int guest_fpu_loaded, guest_xcr0_loaded;
wait_queue_head_t wq;
int sigset_active;
sigset_t sigset;