linux-kernel - Re: [PATCH 0/4] Some fixes and cleanup for maple tree.

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Message-ID: <20230310175446.k536ck5rqwxtso62@revolver>
Date:   Fri, 10 Mar 2023 12:54:46 -0500
From:   "Liam R. Howlett" <Liam.Howlett@...cle.com>
To:     Peng Zhang <zhangpeng.00@...edance.com>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        maple-tree@...ts.infradead.org
Subject: Re: [PATCH 0/4] Some fixes and cleanup for maple tree.

* Peng Zhang <zhangpeng.00@...edance.com> [230310 09:09]:
> Hi,
> There are some fixes for maple tree that may be needed.
> When reviewing the maple tree I thought some code was verbose so I did some
> cleanup and I double checked the boundaries so there should be no errors. Less
> code is easier to maintain, and you can ignore it if you don't like it.
> All patches passed the maple tree test program.

If you have a bug, please add a test case to the module if it is easy to
do so, otherwise please add a test case to the userspace portion (ie:
things that need rcu or threading, which is more difficult in the
kernel).

> 
> Thanks,
> Peng.
> 
> Peng Zhang (4):
>   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
>   maple_tree: Simplify the code of mas_mab_cp()
> 
>  lib/maple_tree.c | 76 ++++++++++--------------------------------------
>  1 file changed, 16 insertions(+), 60 deletions(-)
> 
> -- 
> 2.20.1
> 
>