From: Alexander Graf Date: Thu, 5 Aug 2010 10:24:40 +0000 (+0200) Subject: KVM: PPC: Update int_pending also on dequeue X-Git-Tag: v2.6.37-rc1~142^2~92 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=9ee18b1e08e6a5648aeaaf998eabc72b5304cc17;p=linux.git KVM: PPC: Update int_pending also on dequeue When having a decrementor interrupt pending, the dequeuing happens manually through an mtdec instruction. This instruction simply calls dequeue on that interrupt, so the int_pending hint doesn't get updated. This patch enables updating the int_pending hint also on dequeue, thus correctly enabling guests to stay in guest contexts more often. Signed-off-by: Alexander Graf --- diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c index 02a9cb165d53..7adea6320654 100644 --- a/arch/powerpc/kvm/book3s.c +++ b/arch/powerpc/kvm/book3s.c @@ -201,6 +201,9 @@ static void kvmppc_book3s_dequeue_irqprio(struct kvm_vcpu *vcpu, { clear_bit(kvmppc_book3s_vec2irqprio(vec), &vcpu->arch.pending_exceptions); + + if (!vcpu->arch.pending_exceptions) + vcpu->arch.shared->int_pending = 0; } void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec)