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| author |   Amit Shah <amit.shah@qumranet.com> | 2007-11-19 17:57:35 +0200 |
|---|---|---|
| committer |   Avi Kivity <avi@qumranet.com> | 2007-11-27 15:38:18 +0200 |
| commit | 404fb881b82cf0cf6981832f8d31a7484e4dee81 (patch) | |
| tree | 5da55ec34573b2f691f66f3a0b35a1698393a06f /drivers/kvm/kvm_main.c | |
| parent | KVM: SVM: Unload guest fpu on vcpu_put() (diff) | |
| download | linux-dev-404fb881b82cf0cf6981832f8d31a7484e4dee81.tar.xz linux-dev-404fb881b82cf0cf6981832f8d31a7484e4dee81.zip | |
KVM: SVM: Fix FPU leak while emulating clts
The clts code didn't use set_cr0 properly, so our lazy FPU
processing wasn't being done by the clts instruction at all.
(this isn't called on Intel as the hardware does the decode for us)
Signed-off-by: Amit Shah <amit.shah@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/kvm/kvm_main.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index 07ae280e8fe5..47c10b8f89b3 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -1188,8 +1188,7 @@ int emulate_invlpg(struct kvm_vcpu *vcpu, gva_t address) int emulate_clts(struct kvm_vcpu *vcpu) { - vcpu->cr0 &= ~X86_CR0_TS; - kvm_x86_ops->set_cr0(vcpu, vcpu->cr0); + kvm_x86_ops->set_cr0(vcpu, vcpu->cr0 & ~X86_CR0_TS); return X86EMUL_CONTINUE; } |