From: Peter Zijlstra <peterz@infradead.org>
To: Dmitry Safonov <dima@arista.com>
Cc: Juri Lelli <juri.lelli@redhat.com>,
linux-sh@vger.kernel.org,
Catalin Marinas <catalin.marinas@arm.com>,
Ben Segall <bsegall@google.com>, Guo Ren <guoren@kernel.org>,
Pavel Machek <pavel@ucw.cz>,
Vincent Guittot <vincent.guittot@linaro.org>,
Paul Burton <paulburton@kernel.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Mel Gorman <mgorman@suse.de>, Jiri Slaby <jslaby@suse.com>,
Matt Turner <mattst88@gmail.com>,
uclinux-h8-devel@lists.sourceforge.jp,
Len Brown <len.brown@intel.com>,
linux-pm@vger.kernel.org,
Heiko Carstens <heiko.carstens@de.ibm.com>,
linux-um@lists.infradead.org,
Thomas Gleixner <tglx@linutronix.de>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Richard Henderson <rth@twiddle.net>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
linux-kernel@vger.kernel.org, Ralf Baechle <r>
Subject: Re: [PATCH 00/50] Add log level to show_stack()
Date: Wed, 6 Nov 2019 10:20:39 +0100 [thread overview]
Message-ID: <20191106092039.GT4131@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20191106030542.868541-1-dima@arista.com>
On Wed, Nov 06, 2019 at 03:04:51AM +0000, Dmitry Safonov wrote:
> Add log level argument to show_stack().
> Done in three stages:
> 1. Introducing show_stack_loglvl() for every architecture
> 2. Migrating old users with an explicit log level
> 3. Renaming show_stack_loglvl() into show_stack()
>
> Justification:
> o It's a design mistake to move a business-logic decision
> into platform realization detail.
> o I have currently two patches sets that would benefit from this work:
> Removing console_loglevel jumps in sysrq driver [1]
> Hung task warning before panic [2] - suggested by Tetsuo (but he
> probably didn't realise what it would involve).
> o While doing (1), (2) the backtraces were adjusted to headers
> and other messages for each situation - so there won't be a situation
> when the backtrace is printed, but the headers are missing because
> they have lesser log level (or the reverse).
> o As the result in (2) plays with console_loglevel for kdb are removed.
I really don't understand that word salad. Why are you doing this?
next prev parent reply other threads:[~2019-11-06 9:20 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-06 3:04 [PATCH 00/50] Add log level to show_stack() Dmitry Safonov
2019-11-06 3:04 ` [PATCH 02/50] alpha: Add show_stack_loglvl() Dmitry Safonov
2019-11-06 8:35 ` [PATCH 00/50] Add log level to show_stack() Petr Mladek
2019-11-06 16:12 ` Dmitry Safonov
2019-11-08 10:37 ` Sergey Senozhatsky
2019-11-08 13:04 ` Petr Mladek
2019-11-11 1:23 ` Sergey Senozhatsky
2019-11-11 9:12 ` Petr Mladek
2019-11-12 4:44 ` Sergey Senozhatsky
2019-11-12 4:57 ` Sergey Senozhatsky
2019-11-12 8:35 ` Petr Mladek
2019-11-12 10:12 ` Sergey Senozhatsky
2019-11-13 1:23 ` Sergey Senozhatsky
2019-11-13 2:25 ` Dmitry Safonov
2019-11-13 6:33 ` Sergey Senozhatsky
2019-11-13 8:47 ` Petr Mladek
2019-11-13 16:24 ` Steven Rostedt
2019-11-13 16:40 ` Dmitry Safonov
2019-11-15 0:50 ` Sergey Senozhatsky
2019-11-13 15:32 ` Steven Rostedt
2019-11-11 19:47 ` Dmitry Safonov
2019-11-12 2:17 ` Sergey Senozhatsky
2019-11-12 2:40 ` Dmitry Safonov
2019-11-12 4:25 ` Sergey Senozhatsky
2019-11-13 2:41 ` Dmitry Safonov
2019-11-13 2:51 ` Sergey Senozhatsky
2019-11-13 15:39 ` Steven Rostedt
2019-11-15 3:36 ` Sergey Senozhatsky
2019-11-06 9:20 ` Peter Zijlstra [this message]
2019-11-06 16:27 ` Dmitry Safonov
2019-11-06 20:34 ` Peter Zijlstra
2019-11-06 23:25 ` Russell King - ARM Linux admin
2019-11-13 15:44 ` Steven Rostedt
2019-11-08 16:28 ` Dmitry Safonov
2019-11-08 17:30 ` Russell King - ARM Linux admin
2019-11-08 21:08 ` Dmitry Safonov
2019-11-13 15:41 ` Steven Rostedt
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