linux-kernel - Re: [PATCH] x86/alternatives: lockdep-enforce text_mutex in text

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Message-ID: <20180828075628.GH24124@hirez.programming.kicks-ass.net>
Date:   Tue, 28 Aug 2018 09:56:28 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Jiri Kosina <jikos@...nel.org>
Cc:     x86@...nel.org, Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Andy Lutomirski <luto@...nel.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86/alternatives: lockdep-enforce text_mutex in
 text_poke*()

On Tue, Aug 28, 2018 at 08:55:14AM +0200, Jiri Kosina wrote:
> From: Jiri Kosina <jkosina@...e.cz>
> 
> text_poke() and text_poke_bp() must be called with text_mutex held.
> Let's put proper lockdep anotation in place instead of just mentioning
> the requirement in comment.

Thanks Jiri!

> Reported-by: Peter Zijlstra <peterz@...radead.org>
> Signed-off-by: Jiri Kosina <jkosina@...e.cz>

Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>