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* [PATCH] kvm: fail msi request if !level
@ 2009-07-05 18:27 Michael S. Tsirkin
  2009-07-07 11:24 ` Avi Kivity
  0 siblings, 1 reply; 2+ messages in thread
From: Michael S. Tsirkin @ 2009-07-05 18:27 UTC (permalink / raw)
  To: avi, kvm

Irqfd sets level for interrupt to 1 and then to 0.
For MSI, check level so that a single message is sent.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 virt/kvm/irq_comm.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/virt/kvm/irq_comm.c b/virt/kvm/irq_comm.c
index c380bf0..7af18b8 100644
--- a/virt/kvm/irq_comm.c
+++ b/virt/kvm/irq_comm.c
@@ -139,7 +139,9 @@ int kvm_set_irq(struct kvm *kvm, int irq_source_id, int irq, int level)
 		else
 			clear_bit(irq_source_id, irq_state);
 		sig_level = !!(*irq_state);
-	} else /* Deal with MSI/MSI-X */
+	} else if (!level)
+		return ret;
+	else /* Deal with MSI/MSI-X */
 		sig_level = 1;
 
 	/* Not possible to detect if the guest uses the PIC or the
-- 
1.6.2.5

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] kvm: fail msi request if !level
  2009-07-05 18:27 [PATCH] kvm: fail msi request if !level Michael S. Tsirkin
@ 2009-07-07 11:24 ` Avi Kivity
  0 siblings, 0 replies; 2+ messages in thread
From: Avi Kivity @ 2009-07-07 11:24 UTC (permalink / raw)
  To: Michael S. Tsirkin; +Cc: kvm

On 07/05/2009 09:27 PM, Michael S. Tsirkin wrote:
> Irqfd sets level for interrupt to 1 and then to 0.
> For MSI, check level so that a single message is sent.
>    

Applied, thanks.

-- 
error compiling committee.c: too many arguments to function


^ permalink raw reply	[flat|nested] 2+ messages in thread

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