Re: [Qemu-devel] [PATCH 0/5] ahci: enable migration

[John Snow]

On 02/24/2015 12:38 PM, John Snow wrote:
> The day we all feared is here, and I am proposing we allow the
> migration of the AHCI device. The series that precedes this
> which fixes AHCI migration has improved the stability of the
> device and as this test series proves, is stable.
>
> I am justifying this checkin based on a series of ping-pong
> migration tests I ran under heavy load (using google's stressapptest)
> and saw over 300 successful migrations without a single failure.
>
> This series does a few things:
> (1) Add migration facilities to libqos
> (2) Enable AHCI and ICH9 migration
> (3) Add a series of migration tests to ahci-test
>
> This patch has several dependencies:
>
> (1) stefanha/block

Update 2015-02-24: you can just base off of master now.

> (2) [PATCH v4 00/17] ide: rerror/werror migration fixes for IDE/ISA and AHCI
> (3) [PATCH 0/8] ahci: add more IO tests
> (4) [PATCH 0/6] ahci: rerror/werror=stop resume tests
>
> 1, 3 and 4 are ahci-test framework dependencies, but 2 actually allows the
> AHCI migration to become stable.
>
> John Snow (5):
>    libqos: Add migration helpers
>    ich9/ahci: Enable Migration
>    qtest/ahci: Add migration test
>    qtest/ahci: add migrate dma test
>    qtest/ahci: add flush migrate test
>
>   hw/ide/ahci.c         |   1 -
>   hw/ide/ich.c          |   1 -
>   tests/ahci-test.c     | 184 +++++++++++++++++++++++++++++++++++++++++++++++++-
>   tests/libqos/ahci.c   |   1 +
>   tests/libqos/libqos.c |  75 ++++++++++++++++++++
>   tests/libqos/libqos.h |   2 +
>   tests/libqos/malloc.c |  74 +++++++++++++++-----
>   tests/libqos/malloc.h |   1 +
>   8 files changed, 319 insertions(+), 20 deletions(-)