From: Peter Zijlstra <peterz@infradead•org>
To: Daniel Thompson <daniel.thompson@linaro•org>
Cc: Jiri Kosina <jikos@kernel•org>,
Russell King - ARM Linux <linux@arm•linux.org.uk>,
Andrew Morton <akpm@linux-foundation•org>,
Petr Mladek <pmladek@suse•com>,
Geert Uytterhoeven <geert@linux-m68k•org>,
Steven Rostedt <rostedt@goodmis•org>,
Ingo Molnar <mingo@redhat•com>,
Thomas Gleixner <tglx@linutronix•de>,
"linux-kernel@vger•kernel.org" <linux-kernel@vger•kernel.org>,
the arch/x86 maintainers <x86@kernel•org>,
"linux-arm-kernel@lists•infradead.org"
<linux-arm-kernel@lists•infradead.org>,
"adi-buildroot-devel@lists•sourceforge.net"
<adi-buildroot-devel@lists•sourceforge.net>,
Cris <linux-cris-kernel@axis•com>,
Linux MIPS Mailing List <linux-mips@linux-mips•org>,
"linuxppc-dev@lists•ozlabs.org" <linuxppc-dev@lists•ozlabs.org>,
linux-s390 <linux-s390@vger•kernel.org>,
Linux-sh list <linux-sh@vger•kernel.org>,
sparclinux <sparclinux@vger•kernel.org>
Subject: Re: [PATCH v3 4/4] printk/nmi: Increase the size of NMI buffer and make it configurable
Date: Fri, 18 Dec 2015 13:11:41 +0100 [thread overview]
Message-ID: <20151218121141.GR6373@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20151218112902.GO6344@twins.programming.kicks-ass.net>
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.
next prev parent reply other threads:[~2015-12-18 12:11 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-09 13:21 [PATCH v3 0/4] Cleaning printk stuff in NMI context Petr Mladek
2015-12-09 13:21 ` [PATCH v3 1/4] printk/nmi: Generic solution for safe printk in NMI Petr Mladek
2015-12-09 23:50 ` Andrew Morton
2015-12-10 15:26 ` Petr Mladek
2015-12-09 13:21 ` [PATCH v3 2/4] printk/nmi: Use IRQ work only when ready Petr Mladek
2015-12-09 13:21 ` [PATCH v3 3/4] printk/nmi: Warn when some message has been lost in NMI context Petr Mladek
2015-12-09 13:21 ` [PATCH v3 4/4] printk/nmi: Increase the size of NMI buffer and make it configurable Petr Mladek
2015-12-11 11:10 ` Geert Uytterhoeven
2015-12-11 12:41 ` Petr Mladek
2015-12-11 12:47 ` Arnd Bergmann
2015-12-11 12:50 ` Geert Uytterhoeven
2015-12-11 22:57 ` Andrew Morton
2015-12-11 23:21 ` Russell King - ARM Linux
2015-12-11 23:30 ` Andrew Morton
2015-12-15 14:26 ` Petr Mladek
2015-12-17 22:38 ` Andrew Morton
2015-12-18 16:18 ` Petr Mladek
2015-12-14 10:28 ` Daniel Thompson
[not found] ` <alpine.LNX.2.00.1512120024370.9922@cbobk.fhfr.pm>
2015-12-18 10:18 ` Daniel Thompson
2015-12-18 11:29 ` Peter Zijlstra
2015-12-18 12:11 ` Peter Zijlstra [this message]
2015-12-18 23:03 ` Andrew Morton
2015-12-18 14:52 ` Petr Mladek
2015-12-18 17:00 ` Daniel Thompson
2016-03-01 14:04 ` Daniel Thompson
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