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authorAvi Kivity <avi@redhat.com>2010-10-11 14:23:39 +0200
committerAvi Kivity <avi@redhat.com>2011-01-02 12:05:15 +0200
commit010c520e20413dfd567d568aba2b7238acd37e33 (patch)
tree35ec0e11d22e09ee106835788bd68f47475edbab /arch/x86/kvm
parentd0dfc6b74a0c6e9ee46b62713256e2b025244d3c (diff)
downloadblackbird-obmc-linux-010c520e20413dfd567d568aba2b7238acd37e33.tar.gz
blackbird-obmc-linux-010c520e20413dfd567d568aba2b7238acd37e33.zip
KVM: Don't reset mmu context unnecessarily when updating EFER
The only bit of EFER that affects the mmu is NX, and this is already accounted for (LME only takes effect when changing cr0). Based on a patch by Hillf Danton. Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm')
-rw-r--r--arch/x86/kvm/x86.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index b989e1f1e5d3..c05d47701292 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -830,7 +830,6 @@ static int set_efer(struct kvm_vcpu *vcpu, u64 efer)
kvm_x86_ops->set_efer(vcpu, efer);
vcpu->arch.mmu.base_role.nxe = (efer & EFER_NX) && !tdp_enabled;
- kvm_mmu_reset_context(vcpu);
/* Update reserved bits */
if ((efer ^ old_efer) & EFER_NX)
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