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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>
- [Qemu-devel] [PATCH 1.5 0/5] ide: Test cases and a corner case fix, Kevin Wolf, 2013/05/08
- [Qemu-devel] [PATCH 2/5] libqos/pci: Enable bus mastering, Kevin Wolf, 2013/05/08
- [Qemu-devel] [PATCH 4/5] qtest/ide-test: Add simple DMA read/write test case, Kevin Wolf, 2013/05/08
- [Qemu-devel] [PATCH 1/5] ide: Reset BMIDEA bit when the bus master is stopped, Kevin Wolf, 2013/05/08
- Re: [Qemu-devel] [PATCH 1/5] ide: Reset BMIDEA bit when the bus master is stopped,
Stefan Hajnoczi <=
- [Qemu-devel] [PATCH 5/5] qtest/ide-test: Test short and long PRDTs, Kevin Wolf, 2013/05/08
- [Qemu-devel] [PATCH 3/5] qtest: Add IDE test case, Kevin Wolf, 2013/05/08