linux-kernel - Re: [PATCH v2 0/3] Some fixes and cleanup for maple tree.

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Date:   Tue, 4 Apr 2023 15:56:31 +0800
From:   Peng Zhang <zhangpeng.00@...edance.com>
To:     Liam.Howlett@...cle.com, Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        maple-tree@...ts.infradead.org
Subject: Re: [PATCH v2 0/3] Some fixes and cleanup for maple tree.

Kindly ping.

在 2023/3/14 20:42, Peng Zhang 写道:
> 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.
>
> Changes since v1:
>   - drop [PATCH 4/4]
>   - update the commit message of [PATCH 2/4]
>   - collect Reviewed-bys
>   - add fixes tags
>
> Peng Zhang (3):
>    maple_tree: Fix get wrong data_end in mtree_lookup_walk()
>    maple_tree: Simplify mas_wr_node_walk()
>    maple_tree: Fix a potential concurrency bug in RCU mode
>
>   lib/maple_tree.c | 52 ++++++++++--------------------------------------
>   1 file changed, 11 insertions(+), 41 deletions(-)
>