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authorMarcelo Tosatti <mtosatti@redhat.com>2010-04-23 14:03:38 -0300
committerMarcelo Tosatti <mtosatti@redhat.com>2010-05-13 01:23:55 -0300
commit46a47b1ed118cda1a08b7f6077b837a00fbc112b (patch)
treed86686ebd47f9e5751b91121926ddbf6917e39a6 /virt/kvm/ioapic.h
parentbe835674b55324c1abe973b15343c3663910c620 (diff)
downloadlinux-46a47b1ed118cda1a08b7f6077b837a00fbc112b.tar.gz
KVM: convert ioapic lock to spinlock
kvm_set_irq is used from non sleepable contexes, so convert ioapic from mutex to spinlock. KVM-Stable-Tag. Tested-by: Ralf Bonenkamp <ralf.bonenkamp@swyx.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'virt/kvm/ioapic.h')
-rw-r--r--virt/kvm/ioapic.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/virt/kvm/ioapic.h b/virt/kvm/ioapic.h
index 8a751b78a43..0b190c34ccc 100644
--- a/virt/kvm/ioapic.h
+++ b/virt/kvm/ioapic.h
@@ -45,7 +45,7 @@ struct kvm_ioapic {
struct kvm_io_device dev;
struct kvm *kvm;
void (*ack_notifier)(void *opaque, int irq);
- struct mutex lock;
+ spinlock_t lock;
DECLARE_BITMAP(handled_vectors, 256);
};