From 9a4824d20317db4dcee9ec0575e78259a8c7e275 Mon Sep 17 00:00:00 2001 From: Stefano Stabellini Date: Fri, 15 Feb 2013 13:32:23 +0000 Subject: [PATCH] xen/arm: /spin_lock_irq/spin_lock_irqsave in gic_set_guest_irq gic_set_guest_irq can be called with irq disabled Signed-off-by: Stefano Stabellini Acked-by: Ian Campbell Committed-by: Ian Campbell --- xen/arch/arm/gic.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/xen/arch/arm/gic.c b/xen/arch/arm/gic.c index 165287c80e..7627ad8280 100644 --- a/xen/arch/arm/gic.c +++ b/xen/arch/arm/gic.c @@ -477,8 +477,9 @@ void gic_set_guest_irq(struct vcpu *v, unsigned int virtual_irq, { int i; struct pending_irq *iter, *n; + unsigned long flags; - spin_lock_irq(&gic.lock); + spin_lock_irqsave(&gic.lock, flags); if ( v->is_running && list_empty(&v->arch.vgic.lr_pending) ) { @@ -505,7 +506,7 @@ void gic_set_guest_irq(struct vcpu *v, unsigned int virtual_irq, list_add_tail(&n->lr_queue, &v->arch.vgic.lr_pending); out: - spin_unlock_irq(&gic.lock); + spin_unlock_irqrestore(&gic.lock, flags); return; } -- 2.30.2