From: SeongJae Park <sj@kernel.org>
To: roger.pau@citrix.com
Cc: axboe@kernel.dk, boris.ostrovsky@oracle.com, jgross@suse.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, SeongJae Park <sj@kernel.org>
Subject: [PATCH v4 0/3] xen-blk{back,front}: Fix two bugs in 'feature_persistent'
Date: Fri, 15 Jul 2022 22:51:05 +0000 [thread overview]
Message-ID: <20220715225108.193398-1-sj@kernel.org> (raw)
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(-)
--
2.25.1
next reply other threads:[~2022-07-15 22:51 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-15 22:51 SeongJae Park [this message]
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 ` [PATCH v4 0/3] xen-blk{back,front}: " Juergen Gross
2022-08-14 8:36 ` Juergen Gross
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