linux-kernel - Re: BUG: using smp_processor_id() in preemptible [00000000] code: asm/8267

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Message-ID: <20130327192217.GE4379@linux.vnet.ibm.com>
Date:	Wed, 27 Mar 2013 12:22:17 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Borislav Petkov <bp@...en8.de>, Joerg Roedel <joro@...tes.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	lkml <linux-kernel@...r.kernel.org>,
	Stephane Eranian <eranian@...gle.com>,
	Namhyung Kim <namhyung.kim@....com>,
	Jiri Olsa <jolsa@...hat.com>
Subject: Re: BUG: using smp_processor_id() in preemptible [00000000] code:
 asm/8267

On Wed, Mar 27, 2013 at 08:07:27PM +0100, Borislav Petkov wrote:
> On Wed, Mar 27, 2013 at 11:04:55AM -0700, Paul E. McKenney wrote:
> > On Wed, Mar 27, 2013 at 05:38:06PM +0100, Borislav Petkov wrote:
> > > On Wed, Mar 27, 2013 at 05:34:27PM +0100, Joerg Roedel wrote:
> > > > Interesting read, thanks guys. I think I should have a look into the
> > > > tree-preempt implementation and try to understand it :)
> > > 
> > > Hurry, before paulmck comes and changes it unrecognizable! :-)
> > 
> > Better yet, review my changes for 3.10.  ;-)
> 
> Oh, and if one needs to brush up on RCU while doing that, there's this
> cool thing called perfbook (whole title is too long :)) I discovered
> while searching for your 3.10 queue on k.org. :-)

Reviews of perfbook are also welcome.  ;-)

In case you didn't find it, the 3.10 queue is at rcu/next in:

	git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git

The corresponding LKML posts may be found at:

	https://lkml.org/lkml/2013/3/18/960
	https://lkml.org/lkml/2013/3/18/570
	https://lkml.org/lkml/2013/3/18/594

							Thanx, Paul

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