linux-kernel - Re: [PATCH] bpf: Use refcount_t instead of atomic_t for mmap

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Message-Id: 
 <173561883026.1501827.6312568520411319488.git-patchwork-notify@kernel.org>
Date: Tue, 31 Dec 2024 04:20:30 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Pei Xiao <xiaopei01@...inos.cn>
Cc: bpf@...r.kernel.org, linux-kernel@...r.kernel.org, lkp@...el.com
Subject: Re: [PATCH] bpf: Use refcount_t instead of atomic_t for mmap_count

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@...nel.org>:

On Mon, 30 Dec 2024 15:16:55 +0800 you wrote:
> Use an API that resembles more the actual use of mmap_count.
> 
> Found by cocci:
> kernel/bpf/arena.c:245:6-25: WARNING: atomic_dec_and_test variation before object free at line 249.
> 
> Fixes: b90d77e5fd78 ("bpf: Fix remap of arena.")
> Reported-by: kernel test robot <lkp@...el.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202412292037.LXlYSHKl-lkp@intel.com/
> Signed-off-by: Pei Xiao <xiaopei01@...inos.cn>
> 
> [...]

Here is the summary with links:
  - bpf: Use refcount_t instead of atomic_t for mmap_count
    https://git.kernel.org/bpf/bpf-next/c/dfa94ce54f41

You are awesome, thank you!
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