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Re: [Qemu-devel] [PATCH 1/5] ide: Reset BMIDEA bit when the bus master i


From: Stefan Hajnoczi
Subject: Re: [Qemu-devel] [PATCH 1/5] ide: Reset BMIDEA bit when the bus master is stopped
Date: Wed, 8 May 2013 16:35:55 +0200
User-agent: Mutt/1.5.21 (2010-09-15)

On Wed, May 08, 2013 at 11:43:22AM +0200, Kevin Wolf wrote:
> The device is supposed to reset the Bus Master IDE Active bit in the
> status register when 0 is written to the Start/Stop Bus Master bit in
> the command register.
> 
> In the common cases this happens automatically because bdrv_drain_all()
> flushes the requests, but with a large PRDT it could remain set.
> 
> Signed-off-by: Kevin Wolf <address@hidden>
> ---
>  hw/ide/pci.c | 1 +
>  1 file changed, 1 insertion(+)

Reviewed-by: Stefan Hajnoczi <address@hidden>



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