From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Stabellini Subject: [PATCH v2 3/6] xen/arm: do not add a second irq to the LRs if one is already present Date: Tue, 10 Dec 2013 13:06:05 +0000 Message-ID: <1386680768-15543-3-git-send-email-stefano.stabellini@eu.citrix.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel@lists.xensource.com Cc: julien.grall@citrix.com, Ian.Campbell@citrix.com, Stefano Stabellini List-Id: xen-devel@lists.xenproject.org When the guest re-enable IRQs, do not add guest IRQs to LRs twice. Suggested-by: Julien Grall Signed-off-by: Stefano Stabellini --- xen/arch/arm/vgic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/arm/vgic.c b/xen/arch/arm/vgic.c index 2f7acca..75df571 100644 --- a/xen/arch/arm/vgic.c +++ b/xen/arch/arm/vgic.c @@ -370,7 +370,7 @@ static void vgic_enable_irqs(struct vcpu *v, uint32_t r, int n) irq = i + (32 * n); p = irq_to_pending(v, irq); set_bit(_GIC_IRQ_GUEST_ENABLED, &p->status); - if ( !list_empty(&p->inflight) ) + if ( !list_empty(&p->inflight) && !test_bit(_GIC_IRQ_GUEST_VISIBLE, &p->status) ) gic_set_guest_irq(v, irq, GICH_LR_PENDING, p->priority); i++; } -- 1.7.10.4