From: "Liam R. Howlett" <Liam.Howlett@Oracle.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Peng Zhang <zhangpeng.00@bytedance.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
maple-tree@lists.infradead.org
Subject: Re: [PATCH v2 0/3] Some fixes and cleanup for maple tree.
Date: Tue, 4 Apr 2023 20:49:20 -0400 [thread overview]
Message-ID: <20230405004920.apjshy4khofipqr4@revolver> (raw)
In-Reply-To: <20230404132702.9240f3a77d0c00fca4b9bf55@linux-foundation.org>
* Andrew Morton <akpm@linux-foundation.org> [230404 16:27]:
> On Tue, 14 Mar 2023 20:42:00 +0800 Peng Zhang <zhangpeng.00@bytedance.com> wrote:
>
> > Some fixes and clean up for maple tree.
> >
> > The bug fixed by [PATCH v2 1/3] does not seem to be triggered due to some
> > coincidences, because now the implementation of mtree_lookup_walk() scans
> > pivots one by one and exits the loop early. The test cases for the bugs fixed by
> > [PATCH v2 3/3] are difficult to write. If I think of how to write them later,
> > I will send them out. So I send out the second edition first.
>
> Do we feel that any of these should be backported into -stable kernels?
> [3/3] looks to be a candidate for this?
1 and 3 are fixes and should be sent to stable.
2 doesn't fix anything so I'm not sure how we could get it to be taken.
next prev parent reply other threads:[~2023-04-05 0:49 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-14 12:42 Peng Zhang
2023-03-14 12:42 ` [PATCH v2 1/3] maple_tree: Fix get wrong data_end in mtree_lookup_walk() Peng Zhang
2023-03-14 12:42 ` [PATCH v2 2/3] maple_tree: Simplify mas_wr_node_walk() Peng Zhang
2023-03-14 12:42 ` [PATCH v2 3/3] maple_tree: Fix a potential concurrency bug in RCU mode Peng Zhang
2023-04-04 7:56 ` [PATCH v2 0/3] Some fixes and cleanup for maple tree Peng Zhang
2023-04-04 20:27 ` Andrew Morton
2023-04-05 0:49 ` Liam R. Howlett [this message]
2023-04-05 9:53 ` Peng Zhang
2023-04-05 17:49 ` Liam R. Howlett
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