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| author | Dexuan Cui <dexuan.cui@intel.com> | 2010-06-10 11:27:12 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-08-01 10:46:31 +0300 |
| commit | 2acf923e38fb6a4ce0c57115decbb38d334902ac (patch) | |
| tree | 51a0fba243c857a3bc373ab152c6374c804df224 /include/linux/kvm_host.h | |
| parent | f495c6e5e8fdc972162241df5bdff5bcebb4dc33 (diff) | |
| download | lwn-2acf923e38fb6a4ce0c57115decbb38d334902ac.tar.gz lwn-2acf923e38fb6a4ce0c57115decbb38d334902ac.zip | |
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.h | 2 |
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; |