linux-kernel - Re: [PATCH v2] riscv: ftrace: Properly acquire text

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Message-Id: 
 <175269600801.1308944.13355512366921305547.git-patchwork-notify@kernel.org>
Date: Wed, 16 Jul 2025 20:00:08 +0000
From: patchwork-bot+linux-riscv@...nel.org
To: Alexandre Ghiti <alexghiti@...osinc.com>
Cc: linux-riscv@...ts.infradead.org, rostedt@...dmis.org, mhiramat@...nel.org,
 mark.rutland@....com, paul.walmsley@...ive.com, palmer@...belt.com,
 aou@...s.berkeley.edu, alex@...ti.fr, linux-kernel@...r.kernel.org,
 linux-trace-kernel@...r.kernel.org, rabenda.cn@...il.com,
 wangruikang@...as.ac.cn, ziyao@...root.org
Subject: Re: [PATCH v2] riscv: ftrace: Properly acquire text_mutex to fix a
 race condition

Hello:

This patch was applied to riscv/linux.git (fixes)
by Palmer Dabbelt <palmer@...belt.com>:

On Fri, 11 Jul 2025 07:38:38 +0000 you wrote:
> As reported by lockdep, some patching was done without acquiring
> text_mutex, so there could be a race when mapping the page to patch
> since we use the same fixmap entry.
> 
> Reported-by: Han Gao <rabenda.cn@...il.com>
> Reported-by: Vivian Wang <wangruikang@...as.ac.cn>
> Reported-by: Yao Zi <ziyao@...root.org>
> Closes: https://lore.kernel.org/linux-riscv/aGODMpq7TGINddzM@pie.lan/
> Tested-by: Yao Zi <ziyao@...root.org>
> Tested-by: Han Gao <rabenda.cn@...il.com>
> Reviewed-by: Masami Hiramatsu (Google) <mhiramat@...nel.org>
> Signed-off-by: Alexandre Ghiti <alexghiti@...osinc.com>
> 
> [...]

Here is the summary with links:
  - [v2] riscv: ftrace: Properly acquire text_mutex to fix a race condition
    https://git.kernel.org/riscv/c/e3f16d63d54e

You are awesome, thank you!
-- 
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