linux-kernel - Re: [PATCH] arm64: Mark start_backtrace() notrace and NOKPROBE

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Message-Id: <164303699846.16509.12781762905211026351.b4-ty@arm.com>
Date:   Mon, 24 Jan 2022 15:10:29 +0000
From:   Catalin Marinas <catalin.marinas@....com>
To:     linux-arm-kernel@...ts.infradead.org,
        Masami Hiramatsu <mhiramat@...nel.org>
Cc:     Will Deacon <will@...nel.org>, stable@...r.kernel.org,
        linux-kernel@...r.kernel.org, Mark Brown <broonie@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH] arm64: Mark start_backtrace() notrace and NOKPROBE_SYMBOL

On Mon, 24 Jan 2022 17:17:54 +0900, Masami Hiramatsu wrote:
> Mark the start_backtrace() as notrace and NOKPROBE_SYMBOL
> because this function is called from ftrace and lockdep to
> get the caller address via return_address(). The lockdep
> is used in kprobes, it should also be NOKPROBE_SYMBOL.

Applied to arm64 (for-next/fixes), thanks!

[1/1] arm64: Mark start_backtrace() notrace and NOKPROBE_SYMBOL
      https://git.kernel.org/arm64/c/1e0924bd0991

-- 
Catalin