From: Juergen Gross <jgross@suse.com>
To: SeongJae Park <sj@kernel.org>, roger.pau@citrix.com
Cc: axboe@kernel.dk, boris.ostrovsky@oracle.com, olekstysh@gmail.com,
andrii.chepurnyi82@gmail.com, mheyne@amazon.de,
xen-devel@lists.xenproject.org, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH v4 0/3] xen-blk{back,front}: Fix two bugs in 'feature_persistent'
Date: Fri, 12 Aug 2022 12:08:05 +0200 [thread overview]
Message-ID: <0fe2bac3-1002-62d0-b016-ec0aab5136af@suse.com> (raw)
In-Reply-To: <20220715225108.193398-1-sj@kernel.org>
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On 16.07.22 00:51, SeongJae Park wrote:
> Introduction of 'feature_persistent' made two bugs. First one is wrong
> overwrite of 'vbd->feature_gnt_persistent' in 'blkback' due to wrong
> parameter value caching position, and the second one is unintended
> behavioral change that could break previous dynamic frontend/backend
> persistent feature support changes. This patchset fixes the issues.
>
> Changes from v3
> (https://lore.kernel.org/xen-devel/20220715175521.126649-1-sj@kernel.org/)
> - Split 'blkback' patch for each of the two issues
> - Add 'Reported-by: Andrii Chepurnyi <andrii.chepurnyi82@gmail.com>'
>
> Changes from v2
> (https://lore.kernel.org/xen-devel/20220714224410.51147-1-sj@kernel.org/)
> - Keep the behavioral change of v1
> - Update blkfront's counterpart to follow the changed behavior
> - Update documents for the changed behavior
>
> Changes from v1
> (https://lore.kernel.org/xen-devel/20220106091013.126076-1-mheyne@amazon.de/)
> - Avoid the behavioral change
> (https://lore.kernel.org/xen-devel/20220121102309.27802-1-sj@kernel.org/)
> - Rebase on latest xen/tip/linux-next
> - Re-work by SeongJae Park <sj@kernel.org>
> - Cc stable@
>
> Maximilian Heyne (1):
> xen-blkback: Apply 'feature_persistent' parameter when connect
>
> SeongJae Park (2):
> xen-blkback: fix persistent grants negotiation
> xen-blkfront: Apply 'feature_persistent' parameter when connect
>
> .../ABI/testing/sysfs-driver-xen-blkback | 2 +-
> .../ABI/testing/sysfs-driver-xen-blkfront | 2 +-
> drivers/block/xen-blkback/xenbus.c | 20 ++++++++-----------
> drivers/block/xen-blkfront.c | 4 +---
> 4 files changed, 11 insertions(+), 17 deletions(-)
>
For the series:
Reviewed-by: Juergen Gross <jgross@suse.com>
Juergen
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next prev parent reply other threads:[~2022-08-12 10:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-15 22:51 [PATCH v4 0/3] xen-blk{back,front}: Fix two bugs in 'feature_persistent' SeongJae Park
2022-07-15 22:51 ` [PATCH v4 1/3] xen-blkback: fix persistent grants negotiation SeongJae Park
2022-07-15 22:51 ` [PATCH v4 2/3] xen-blkback: Apply 'feature_persistent' parameter when connect SeongJae Park
2022-07-15 22:51 ` [PATCH v4 3/3] xen-blkfront: " SeongJae Park
2022-07-18 16:12 ` [PATCH v4 0/3] xen-blk{back,front}: Fix two bugs in 'feature_persistent' Andrii Chepurnyi
2022-08-01 12:17 ` [PATCH v4 0/3] xen-blk{back, front}: " Maximilian Heyne
2022-08-12 10:08 ` Juergen Gross [this message]
2022-08-14 8:36 ` [PATCH v4 0/3] xen-blk{back,front}: " Juergen Gross
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