[SeaBIOS] [Qemu-devel] [PATCH] virtio: Clear interrupt status register in virtio-blk

Kevin O'Connor kevin at koconnor.net
Thu Jul 8 14:44:32 CEST 2010

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 <stefanha at linux.vnet.ibm.com>

Thanks.  Commit 4e0daae5.


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