linux-kernel - Re: [PATCH] x86: Avoid pr_cont() in show

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Message-ID: <20180709084953.GB2476@hirez.programming.kicks-ass.net>
Date:   Mon, 9 Jul 2018 10:49:53 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>
Cc:     Ingo Molnar <mingo@...nel.org>, mingo@...hat.com,
        linux-kernel@...r.kernel.org,
        Tetsuo Handa <penguin-kernel@...ove.SKAURA.ne.jp>,
        Andy Lutomirski <luto@...capital.net>,
        Borislav Petkov <bp@...e.de>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] x86: Avoid pr_cont() in show_opcodes()

On Sat, Jul 07, 2018 at 10:54:28PM +0900, Tetsuo Handa wrote:
> >> Since syzbot is confused by concurrent printk() messages [1],
> >> this patch changes show_opcodes() to use snprintf().

But how big of a problem is that really? We can't very well remove all
pr_cont stuff from the kernel.