Re: [PATCH 01/20 -v5] printk - dont wakeup klogd with interrupts disabled

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To: Daniel Walker <dwalker@...>
Cc: LKML <linux-kernel@...>, Ingo Molnar <mingo@...>, Linus Torvalds <torvalds@...>, Andrew Morton <akpm@...>, Peter Zijlstra <a.p.zijlstra@...>, Christoph Hellwig <hch@...>, Mathieu Desnoyers <mathieu.desnoyers@...>, Gregory Haskins <ghaskins@...>, Arnaldo Carvalho de Melo <acme@...>, Thomas Gleixner <tglx@...>, Tim Bird <tim.bird@...>, Sam Ravnborg <sam@...>, Frank Ch. Eigler <fche@...>, Jan Kiszka <jan.kiszka@...>, John Stultz <johnstul@...>, Arjan van de Ven <arjan@...>, Steven Rostedt <srostedt@...>
Date: Wednesday, January 23, 2008 - 2:43 pm

On Wed, 23 Jan 2008, Daniel Walker wrote:


The wakeup tracer does a print on max when the new task is about to be
switched to (in context_switch).


Nope, it's been there for a few releases and had nothing to do with the
latency tracer.

<looks at code>

Hmm, seems that only the "hack" fix is in upstream. The Red Hat version
has the better fix, but mainline didn't get it. OK, I'll add that to the
next -rt release.

-- Steve

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Messages in current thread:
Re: [PATCH 01/20 -v5] printk - dont wakeup klogd with interr..., Mathieu Desnoyers, (Wed Jan 23, 1:25 pm)
[PATCH] defer printks in irqs, Tim Bird, (Thu Jan 24, 6:42 pm)
Re: [PATCH] defer printks in irqs, Peter Zijlstra, (Thu Jan 24, 6:48 pm)
Re: [PATCH] defer printks in irqs, Tim Bird, (Thu Jan 24, 7:23 pm)
Re: [PATCH] defer printks in irqs, Andrew Morton, (Sun Jan 27, 2:01 am)
Re: [PATCH] defer printks in irqs, Tim Bird, (Mon Jan 28, 5:14 pm)
Re: [PATCH 01/20 -v5] printk - dont wakeup klogd with interr..., Steven Rostedt, (Wed Jan 23, 2:43 pm)
Re: [PATCH 01/20 -v5] printk - dont wakeup klogd with interr..., Mathieu Desnoyers, (Wed Jan 23, 1:32 pm)