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| author | Jan Kiszka <jan.kiszka@web.de> | 2009-07-23 01:53:26 +0400 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-08-05 14:59:44 +0400 |
| commit | 34f0c1ad27a74bd5eb0f99ea43ab6a4658d6419d (patch) | |
| tree | bb2381fbe0b6d198864c7719ef6a3b3626d93303 /arch | |
| parent | 025dbbf36a7680bffe54d9dcbf0a8bc01a7cbd10 (diff) | |
| download | linux-34f0c1ad27a74bd5eb0f99ea43ab6a4658d6419d.tar.xz | |
KVM: VMX: Fix locking order in handle_invalid_guest_state
Release and re-acquire preemption and IRQ lock in the same order as
vcpu_enter_guest does.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 356a0ce85c68..6bf58c083f0a 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -3157,8 +3157,8 @@ static void handle_invalid_guest_state(struct kvm_vcpu *vcpu, struct vcpu_vmx *vmx = to_vmx(vcpu); enum emulation_result err = EMULATE_DONE; - preempt_enable(); local_irq_enable(); + preempt_enable(); while (!guest_state_valid(vcpu)) { err = emulate_instruction(vcpu, kvm_run, 0, 0, 0); @@ -3177,8 +3177,8 @@ static void handle_invalid_guest_state(struct kvm_vcpu *vcpu, schedule(); } - local_irq_disable(); preempt_disable(); + local_irq_disable(); vmx->invalid_state_emulation_result = err; } |