* [GIT PULL] (xen) stable/for-jens-4.2 for rc4
@ 2015-07-27 17:36 Konrad Rzeszutek Wilk
0 siblings, 0 replies; 2+ messages in thread
From: Konrad Rzeszutek Wilk @ 2015-07-27 17:36 UTC (permalink / raw)
To: axboe, linux-kernel, xen-devel
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Hey Jens,
There are three bugs that have been found in the xen-blkfront (and
backend). Two of them have the stable tree CC-ed. They have been found
where an guest is migrating to a host that is missing 'feature-persistent'
support (from one that has it enabled). We end up hitting an BUG() in the
driver code.
Please git pull the following branch:
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git stable/for-jens-4.2
which has the outlined changes. The branch is based on your
'for-4.2/drivers' branch but it also nicely applies to Linus's tree and
your 'for-linus'.
drivers/block/xen-blkback/blkback.c | 4 +-
drivers/block/xen-blkfront.c | 128 ++++++++++++++++++++----------------
2 files changed, 74 insertions(+), 58 deletions(-)
Bob Liu (3):
xen-blkfront: introduce blkfront_gather_backend_features()
xen-blkfront: don't add indirect pages to list when !feature_persistent
xen-blkback: replace work_pending with work_busy in purge_persistent_gnt()
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [GIT PULL] (xen) stable/for-jens-4.2 for rc4
[not found] <20150727173625.GA13387@konrad-lan.dumpdata.com>
@ 2015-07-27 20:58 ` Jens Axboe
0 siblings, 0 replies; 2+ messages in thread
From: Jens Axboe @ 2015-07-27 20:58 UTC (permalink / raw)
To: Konrad Rzeszutek Wilk, linux-kernel, xen-devel
On 07/27/2015 11:36 AM, Konrad Rzeszutek Wilk wrote:
> Hey Jens,
>
> There are three bugs that have been found in the xen-blkfront (and
> backend). Two of them have the stable tree CC-ed. They have been found
> where an guest is migrating to a host that is missing 'feature-persistent'
> support (from one that has it enabled). We end up hitting an BUG() in the
> driver code.
>
> Please git pull the following branch:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git stable/for-jens-4.2
>
> which has the outlined changes. The branch is based on your
> 'for-4.2/drivers' branch but it also nicely applies to Linus's tree and
> your 'for-linus'.
>
> drivers/block/xen-blkback/blkback.c | 4 +-
> drivers/block/xen-blkfront.c | 128 ++++++++++++++++++++----------------
> 2 files changed, 74 insertions(+), 58 deletions(-)
>
> Bob Liu (3):
> xen-blkfront: introduce blkfront_gather_backend_features()
> xen-blkfront: don't add indirect pages to list when !feature_persistent
> xen-blkback: replace work_pending with work_busy in purge_persistent_gnt()
Pulled, thanks Konrad.
--
Jens Axboe
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2015-07-27 17:36 [GIT PULL] (xen) stable/for-jens-4.2 for rc4 Konrad Rzeszutek Wilk
[not found] <20150727173625.GA13387@konrad-lan.dumpdata.com>
2015-07-27 20:58 ` Jens Axboe
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