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Re: [PATCH v3 4/4] printk/nmi: Increase the size of NMI buffer and make it configurable

From Peter Zijlstra <peterz@infradead.org>
Newsgroups linux.kernel
Subject Re: [PATCH v3 4/4] printk/nmi: Increase the size of NMI buffer and make it configurable
Date 2015-12-18 13:20 +0100
Message-ID <qH2aR-5vD-7@gated-at.bofh.it> (permalink)
References (4 earlier) <qEEPp-2db-29@gated-at.bofh.it> <qEFiq-2CJ-11@gated-at.bofh.it> <qEFiq-2CJ-9@gated-at.bofh.it> <qH0iK-4hR-21@gated-at.bofh.it> <qH1ot-4X1-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Fri, Dec 18, 2015 at 12:29:02PM +0100, Peter Zijlstra wrote:
> On Fri, Dec 18, 2015 at 10:18:08AM +0000, Daniel Thompson wrote:
> > I'm not entirely sure that this is an improvement.
> 
> What I do these days is delete everything in vprintk_emit() and simply
> call early_printk().

On that, whoever made the device model use vprintk_emit() broke the
debugger (KGDB/KDB) printk intercept, and the whole vprintk_func
redirection scheme.
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Thread

Re: [PATCH v3 4/4] printk/nmi: Increase the size of NMI buffer and  make it configurable Jiri Kosina <jikos@kernel.org> - 2015-12-12 00:30 +0100
  Re: [PATCH v3 4/4] printk/nmi: Increase the size of NMI buffer and  make it configurable Daniel Thompson <daniel.thompson@linaro.org> - 2015-12-18 11:20 +0100
    Re: [PATCH v3 4/4] printk/nmi: Increase the size of NMI buffer and  make it configurable Peter Zijlstra <peterz@infradead.org> - 2015-12-18 12:30 +0100
      Re: [PATCH v3 4/4] printk/nmi: Increase the size of NMI buffer and  make it configurable Peter Zijlstra <peterz@infradead.org> - 2015-12-18 13:20 +0100
        Re: [PATCH v3 4/4] printk/nmi: Increase the size of NMI buffer and  make it configurable Andrew Morton <akpm@linux-foundation.org> - 2015-12-19 00:10 +0100
    Re: [PATCH v3 4/4] printk/nmi: Increase the size of NMI buffer and  make it configurable Petr Mladek <pmladek@suse.com> - 2015-12-18 16:00 +0100
      Re: [PATCH v3 4/4] printk/nmi: Increase the size of NMI buffer and  make it configurable Daniel Thompson <daniel.thompson@linaro.org> - 2015-12-18 18:10 +0100

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