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From: Ingo Molnar <mingo@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: "Linus Torvalds" <torvalds@linux-foundation.org>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	"Peter Hurley" <peter@hurleysoftware.com>,
	"Davidlohr Bueso" <dave@stgolabs.net>,
	"Bruno Prémont" <bonbons@linux-vserver.org>,
	"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Ilya Dryomov" <ilya.dryomov@inktank.com>,
	"Mike Galbraith" <umgwanakikbuti@gmail.com>,
	"Oleg Nesterov" <oleg@redhat.com>
Subject: Re: Linux 3.19-rc5
Date: Tue, 3 Feb 2015 12:18:59 +0100	[thread overview]
Message-ID: <20150203111859.GA2511@gmail.com> (raw)
In-Reply-To: <20150131094811.GC32343@twins.programming.kicks-ass.net>


* Peter Zijlstra <peterz@infradead.org> wrote:

> On Thu, Jan 29, 2015 at 05:25:07PM -0800, Linus Torvalds wrote:
>
> > PeterZ, please don't make "debugging" patches like this. Ever 
> > again. Because this was just stupid, and it took me too long 
> > to realize that despite the warning being shut up, the debug 
> > patch was still actively doing bad bad things.
> 
> Understood.

It was my fault too - I should have realized this side effect of 
the new debugging facility when I merged it, which side effect, 
as Linus pointed it out, is a really bad idea.

We are generally pretty good at doing transparent debugging in 
the scheduler and in the locking code, but screwed up this time 
around :-(

Thanks,

	Ingo

  reply	other threads:[~2015-02-03 11:19 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-18  9:17 Linux 3.19-rc5 Linus Torvalds
2015-01-19 18:02 ` Bruno Prémont
2015-01-20  6:24   ` Linus Torvalds
2015-01-21 20:37     ` Bruno Prémont
2015-01-21 21:37       ` Bruno Prémont
2015-01-21 22:12         ` Davidlohr Bueso
2015-01-21 22:54           ` Peter Hurley
2015-01-30  1:22             ` Rafael J. Wysocki
2015-01-30  1:12               ` Linus Torvalds
2015-01-30  1:25                 ` Linus Torvalds
2015-01-30  1:35                   ` Linus Torvalds
2015-01-30  2:06                   ` Rafael J. Wysocki
2015-01-30 15:47                   ` Oleg Nesterov
2015-01-31 18:32                     ` Linus Torvalds
2015-01-31 20:16                       ` Peter Zijlstra
2015-01-31 21:54                         ` Linus Torvalds
2015-02-02 13:19                           ` Peter Zijlstra
2015-02-01 19:43                         ` Oleg Nesterov
2015-02-01 20:09                           ` Linus Torvalds
2015-02-01 20:19                             ` Oleg Nesterov
2015-02-02 15:34                             ` Peter Zijlstra
2015-01-31  9:16                   ` Bruno Prémont
2015-01-31  9:48                   ` Peter Zijlstra
2015-02-03 11:18                     ` Ingo Molnar [this message]
2015-02-05 21:14                   ` Bruno Prémont
2015-02-06 11:50                     ` Peter Zijlstra
2015-02-06 16:02                       ` Linus Torvalds
2015-02-06 16:39                         ` Peter Zijlstra
2015-02-06 16:46                           ` Linus Torvalds
2015-01-30  1:49                 ` Rafael J. Wysocki
2015-02-02  9:48                   ` Zdenek Kabelac

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