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Re: [Qemu-devel] [PATCH v4 00/17] ide: rerror/werror migration fixes for

From: Stefan Hajnoczi
Subject: Re: [Qemu-devel] [PATCH v4 00/17] ide: rerror/werror migration fixes for IDE/ISA and AHCI
Date: Wed, 25 Feb 2015 15:15:28 +0000
User-agent: Mutt/1.5.23 (2014-03-12)

On Mon, Feb 23, 2015 at 11:17:49AM -0500, John Snow wrote:
> This series fixes rerror/werror support for IDE/ISA and implements it in
> a migratable way for AHCI. This series also fixes AHCI migration.
> This series was written mostly by Paolo to unify the restart mechanics
> of IDE/ISA and IDE/BMDMA, moving much of the restart logic into common
> code.
> Many of the earlier patches make more sense considering the end goal of
> eliminating BMDMA specific restart code to be shared with ISA and AHCI
> codepaths.
> Migration for halted commands is fixed for ISA and AHCI.
> As a consequence, operations halted via rerror=stop or werror=stop
> should be able to be successfully migrated and resumed when using
> ISA, PCI, or AHCI.
> This series includes tests for ISA and PCI/BMDMA, but does not
> yet include tests for AHCI, which require some more qtest work
> to be upstreamed first. Regardless, the AHCI tests have been
> written and can be observed at:
> https://github.com/jnsnow/qemu/commits/ahci-devel
> See "ahci: add migrate dma test" and "ahci-test: add flush migrate test"
> for the WIP versions of the AHCI test that I used to exercise this
> patchset.

Thanks, applied to my block tree:


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