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Re: [Qemu-devel] [SeaBIOS] [PATCH] virtio: Clear interrupt status regist


From: Kevin O'Connor
Subject: Re: [Qemu-devel] [SeaBIOS] [PATCH] virtio: Clear interrupt status register in virtio-blk
Date: Thu, 8 Jul 2010 08:44:32 -0400
User-agent: Mutt/1.5.20 (2009-12-10)

On Wed, Jul 07, 2010 at 01:34:22PM +0100, Stefan Hajnoczi wrote:
> The VRING_AVAIL_F_NO_INTERRUPT flag is a hint that interrupts should be
> suppressed.  It does not guarantee that interrupts will not be raised.
> Therefore, make sure to clear the interrupt after each virtio-blk read.
> This avoids a stuck interrupt interfering with the OS loaded later in
> the boot process.
> 
> Signed-off-by: Stefan Hajnoczi <address@hidden>

Thanks.  Commit 4e0daae5.

-Kevin



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