diff options
author | Scott Wood <scottwood@freescale.com> | 2011-11-09 00:23:27 (GMT) |
---|---|---|
committer | Avi Kivity <avi@redhat.com> | 2012-03-05 12:52:26 (GMT) |
commit | 29ac26efbdc651303643025c83009ce5766c1676 (patch) | |
tree | 463d9c10951b527c6459b2e0d66088e71841f807 /arch/powerpc/kvm | |
parent | c59a6a3e4e5976a938e21faf3da65a2784187aa7 (diff) | |
download | linux-fsl-qoriq-29ac26efbdc651303643025c83009ce5766c1676.tar.xz |
KVM: PPC: booke: Fix int_pending calculation for MSR[EE] paravirt
int_pending was only being lowered if a bit in pending_exceptions
was cleared during exception delivery -- but for interrupts, we clear
it during IACK/TSR emulation. This caused paravirt for enabling
MSR[EE] to be ineffective.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/powerpc/kvm')
-rw-r--r-- | arch/powerpc/kvm/booke.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index 557f028..8dfc59a 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -285,7 +285,6 @@ static int kvmppc_booke_irqprio_deliver(struct kvm_vcpu *vcpu, static void kvmppc_core_check_exceptions(struct kvm_vcpu *vcpu) { unsigned long *pending = &vcpu->arch.pending_exceptions; - unsigned long old_pending = vcpu->arch.pending_exceptions; unsigned int priority; priority = __ffs(*pending); @@ -299,10 +298,7 @@ static void kvmppc_core_check_exceptions(struct kvm_vcpu *vcpu) } /* Tell the guest about our interrupt status */ - if (*pending) - vcpu->arch.shared->int_pending = 1; - else if (old_pending) - vcpu->arch.shared->int_pending = 0; + vcpu->arch.shared->int_pending = !!*pending; } /* Check pending exceptions and deliver one, if possible. */ |