[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v5 3/6] xen/arm: do not add a second irq to the LRs if one is already present
When the guest re-enable IRQs, do not add guest IRQs to LRs twice. Suggested-by: Julien Grall <julien.grall@xxxxxxxxxx> Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx> --- 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 b449f45..f2f1702 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 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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