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Re: [Qemu-devel] [PATCHv2] macio: handle non-block ATAPI DMA transfers t
From: |
John Snow |
Subject: |
Re: [Qemu-devel] [PATCHv2] macio: handle non-block ATAPI DMA transfers the same as block DMA transfers |
Date: |
Mon, 24 Aug 2015 11:43:42 -0700 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0 |
On 08/21/2015 06:11 PM, Mark Cave-Ayland wrote:
> On 21/08/15 20:04, John Snow wrote:
>
> (lots cut)
>
>> Do you want to resend the V3 here directly to the ML with Aurelien
>> Jarno's R-B?
>
> I was actually looking at this yesterday, and it seems with some more
> testing that only the DBDMA flush part is required. It could be that
> fixing the flush semantics prevents the macio device getting into the
> incorrect state that makes the macio patch necessary in the first place.
>
> In this case the DBDMA patch should probably go via Alex since it's
> fairly specific to the Mac DMA hardware rather than being related just
> to the IDE interface.
>
>
> ATB,
>
> Mark.
>
Even better! 8-)
Thanks,
--js