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Subject: Re: [PATCH bpf] bpf: Avoid unnecessary -EBUSY from htab_lock_bucket
From: patchwork-bot+netdevbpf@kernel.org
Message-Id: 
 <169722602265.5697.11601601955968053647.git-patchwork-notify@kernel.org>
Date: Fri, 13 Oct 2023 19:40:22 +0000
References: <20231012055741.3375999-1-song@kernel.org>
In-Reply-To: <20231012055741.3375999-1-song@kernel.org>
To: Song Liu <song@kernel.org>
Cc: bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net,
 andrii@kernel.org, martin.lau@kernel.org, kernel-team@meta.com,
 iii@linux.ibm.com, tj@kernel.org

Hello:

This patch was applied to bpf/bpf.git (master)
by Andrii Nakryiko <andrii@kernel.org>:

On Wed, 11 Oct 2023 22:57:41 -0700 you wrote:
> htab_lock_bucket uses the following logic to avoid recursion:
> 
> 1. preempt_disable();
> 2. check percpu counter htab->map_locked[hash] for recursion;
>    2.1. if map_lock[hash] is already taken, return -BUSY;
> 3. raw_spin_lock_irqsave();
> 
> [...]

Here is the summary with links:
  - [bpf] bpf: Avoid unnecessary -EBUSY from htab_lock_bucket
    https://git.kernel.org/bpf/bpf/c/a307f5a24924

You are awesome, thank you!
-- 
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