Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=81f50e3bfdf864103ef890ca156e7a9c922c7089
Commit: 81f50e3bfdf864103ef890ca156e7a9c922c7089
Parent: b85b9ee9259917f248ee1507d7d1f575f4fc27dd
Author: Rusty Russell <[EMAIL PROTECTED]>
AuthorDate: Thu Sep 6 01:20:38 2007 +1000
Committer: Avi Kivity <[EMAIL PROTECTED]>
CommitDate: Sat Oct 13 10:18:27 2007 +0200
KVM: Keep control regs in sync
We don't update the vcpu control registers in various places. We
should do so.
Signed-off-by: Rusty Russell <[EMAIL PROTECTED]>
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
---
drivers/kvm/kvm_main.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index d3e534d..7341c09 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -543,6 +543,7 @@ void set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
return;
}
kvm_arch_ops->set_cr4(vcpu, cr4);
+ vcpu->cr4 = cr4;
mutex_lock(&vcpu->kvm->lock);
kvm_mmu_reset_context(vcpu);
mutex_unlock(&vcpu->kvm->lock);
@@ -1238,10 +1239,8 @@ int emulate_invlpg(struct kvm_vcpu *vcpu, gva_t address)
int emulate_clts(struct kvm_vcpu *vcpu)
{
- unsigned long cr0;
-
- cr0 = vcpu->cr0 & ~X86_CR0_TS;
- kvm_arch_ops->set_cr0(vcpu, cr0);
+ vcpu->cr0 &= ~X86_CR0_TS;
+ kvm_arch_ops->set_cr0(vcpu, vcpu->cr0);
return X86EMUL_CONTINUE;
}
@@ -2226,6 +2225,7 @@ static int kvm_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
kvm_arch_ops->decache_cr4_guest_bits(vcpu);
mmu_reset_needed |= vcpu->cr0 != sregs->cr0;
+ vcpu->cr0 = sregs->cr0;
kvm_arch_ops->set_cr0(vcpu, sregs->cr0);
mmu_reset_needed |= vcpu->cr4 != sregs->cr4;
-
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