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Re: [GIT PULL] printk for 4.13

From	Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Newsgroups	linux.kernel
Subject	Re: [GIT PULL] printk for 4.13
Date	2017-07-06 03:20 +0200
Message-ID	<u03Cx-5Kk-7@gated-at.bofh.it> (permalink)
References	<tZawq-2Ha-17@gated-at.bofh.it> <tZXdM-1mP-13@gated-at.bofh.it> <u039v-5kK-3@gated-at.bofh.it> <u03Cx-5Kk-1@gated-at.bofh.it>
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On (07/05/17 18:15), Linus Torvalds wrote:
> On Wed, Jul 5, 2017 at 5:44 PM, Sergey Senozhatsky
> <sergey.senozhatsky.work@gmail.com> wrote:
> >
> > PRINTK_NMI_DEFERRED_CONTEXT_MASK calls into vprintk_deferred(), which
> > does vprintk_emit(0, LOGLEVEL_SCHED, NULL, 0, fmt, args). and
> > vprintk_emit() LOGLEVEL_SCHED is nothing, but printk_deferred(), which
> > never calls into the scheduler and does not even try to lock console_sem.
> 
> Hmm. Ok. I think I see what you're saying. We're just adding it to the
> log buffer, but not actually going through the whole "lets see if we
> can push it further".

yep ;)

> So I will take another look tomorrow, right now I'm feeling a bit
> merged out for the day,

sure. thanks.

	-ss

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Thread

[GIT PULL] printk for 4.13 Petr Mladek <pmladek@suse.com> - 2017-07-03 16:30 +0200
  Re: [GIT PULL] printk for 4.13 Linus Torvalds <torvalds@linux-foundation.org> - 2017-07-05 20:30 +0200
    Re: [GIT PULL] printk for 4.13 Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2017-07-06 02:50 +0200
      Re: [GIT PULL] printk for 4.13 Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2017-07-06 03:00 +0200
      Re: [GIT PULL] printk for 4.13 Linus Torvalds <torvalds@linux-foundation.org> - 2017-07-06 03:20 +0200
        Re: [GIT PULL] printk for 4.13 Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2017-07-06 03:20 +0200

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