2.6.23-stable review patch. If anyone has any objections, please let us
know.
------------------
From: Amit Shah <[EMAIL PROTECTED]>
patch 404fb881b82cf0cf6981832f8d31a7484e4dee81 in mainline.
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 <[EMAIL PROTECTED]>
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
drivers/kvm/kvm_main.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -1163,10 +1163,7 @@ int emulate_invlpg(struct kvm_vcpu *vcpu
int emulate_clts(struct kvm_vcpu *vcpu)
{
- unsigned long cr0;
-
- cr0 = vcpu->cr0 & ~CR0_TS_MASK;
- kvm_arch_ops->set_cr0(vcpu, cr0);
+ kvm_arch_ops->set_cr0(vcpu, vcpu->cr0 & ~X86_CR0_TS);
return X86EMUL_CONTINUE;
}
--
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