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KVM: ia64: preserve int status through call to kvm_insert_vmm_mapping

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Preserve interrupt status around call to kvm_insert_vmm_mappin()
in kvm_vcpu_pre_transition().

Signed-off-by: Jes Sorensen <jes@sgi.com>
Acked-by: Xiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Jes Sorensen 2009-04-16 16:53:13 +02:00 committed by Avi Kivity
parent 457459c3c7
commit 4d13c3b04f
1 changed files with 6 additions and 1 deletions
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7
arch/ia64/kvm/kvm-ia64.c
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@ -619,6 +619,8 @@ static void kvm_purge_vmm_mapping(struct kvm_vcpu *vcpu)
static int kvm_vcpu_pre_transition(struct kvm_vcpu *vcpu)
{
unsigned long psr;
int r;
int cpu = smp_processor_id();
if (vcpu->arch.last_run_cpu != cpu ||
@ -630,7 +632,10 @@ static int kvm_vcpu_pre_transition(struct kvm_vcpu *vcpu)
vcpu->arch.host_rr6 = ia64_get_rr(RR6);
vti_set_rr6(vcpu->arch.vmm_rr);
return kvm_insert_vmm_mapping(vcpu);
local_irq_save(psr);
r = kvm_insert_vmm_mapping(vcpu);
local_irq_restore(psr);
return r;
}
static void kvm_vcpu_post_transition(struct kvm_vcpu *vcpu)