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Message-ID: <CAHk-=wg70es2rSYsHbBcWrBPsoHmbZ8vmeqTS_Kypv6zHAwQjA@mail.gmail.com>
Date:   Sun, 19 Jul 2020 11:27:39 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Cc:     John Ogness <john.ogness@...utronix.de>,
        Petr Mladek <pmladek@...e.com>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        kexec@...ts.infradead.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/4] printk: store instead of processing cont parts

On Sun, Jul 19, 2020 at 7:35 AM Sergey Senozhatsky
<sergey.senozhatsky@...il.com> wrote:
>
> Can we merge lines that we don't want to merge?
>
>    pr_cont()  ->  IRQ -> pr_cont() -> NMI -> pr_cont()

That pr_cont in either IRQ or NMI context would be a bug.

You can't validly have a PR_CONT without the non-cont that precedes it.

                Linus

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