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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:
https://github.com/stefanha/qemu/commits/block
Stefan
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- [Qemu-devel] [PATCH v4 10/17] ide: migrate initial request state via IDEBus, (continued)
- [Qemu-devel] [PATCH v4 10/17] ide: migrate initial request state via IDEBus, John Snow, 2015/02/23
- [Qemu-devel] [PATCH v4 05/17] ide: pass IDEBus to the restart_cb, John Snow, 2015/02/23
- [Qemu-devel] [PATCH v4 07/17] ide: remove restart_cb callback, John Snow, 2015/02/23
- [Qemu-devel] [PATCH v4 15/17] ahci: add support for restarting non-queued commands, John Snow, 2015/02/23
- [Qemu-devel] [PATCH v4 13/17] ide: support PIO restart for the ISA controller, John Snow, 2015/02/23
- [Qemu-devel] [PATCH v4 14/17] ahci: Migrate IDEStatus, John Snow, 2015/02/23
- [Qemu-devel] [PATCH v4 17/17] qtest/ide: Test flush / retry for ISA and PCI, John Snow, 2015/02/23
- [Qemu-devel] [PATCH v4 12/17] ide: make more functions static, John Snow, 2015/02/23
- [Qemu-devel] [PATCH v4 16/17] ahci: Recompute cur_cmd on migrate post load, John Snow, 2015/02/23
- [Qemu-devel] [PATCH v4 11/17] ide: commonize io_buffer_index initialization, John Snow, 2015/02/23
- Re: [Qemu-devel] [PATCH v4 00/17] ide: rerror/werror migration fixes for IDE/ISA and AHCI,
Stefan Hajnoczi <=