[Xen-changelog] [xen-unstable] xen/arm: /spin_lock_irq/spin_lock_irqsave in gic_set_guest_irq

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
# Date 1360935143 0
# Node ID 408de23e1533f8d75f4eb8827b3046dbb51d13e3
# Parent  bd76879e53ab929f0c990ecfcbc4030c3c0b313a
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 <stefano.stabellini@xxxxxxxxxxxxx>
Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Committed-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---


diff -r bd76879e53ab -r 408de23e1533 xen/arch/arm/gic.c
--- a/xen/arch/arm/gic.c        Fri Feb 15 13:32:22 2013 +0000
+++ b/xen/arch/arm/gic.c        Fri Feb 15 13:32:23 2013 +0000
@@ -477,8 +477,9 @@ void gic_set_guest_irq(struct vcpu *v, u
 {
     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, u
     list_add_tail(&n->lr_queue, &v->arch.vgic.lr_pending);
 
 out:
-    spin_unlock_irq(&gic.lock);
+    spin_unlock_irqrestore(&gic.lock, flags);
     return;
 }
 

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