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Subject: Re: [PATCH RFC] rcu: Limit GP initialization to CPUs that have been
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From: Mike Galbraith <efault@gmx.de>
To: Dimitri Sivanich <sivanich@sgi.com>
Cc: paulmck@linux.vnet.ibm.com, linux-kernel@vger.kernel.org
Date: Fri, 16 Mar 2012 20:11:34 +0100
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On Fri, 2012-03-16 at 12:28 -0500, Dimitri Sivanich wrote:

> However, there are spinlock holdoffs at the following tracebacks (my nmi
> handler does work on the 3.0 kernel):

I'll try wedging/testing the subsequent patch Paul mentioned in both RT,
and NR_CPUS=max NOPREEMPT kernels.

-Mike