linux-kernel - Re: [PATCH RFC] rcu: Limit GP initialization to CPUs that have been online

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Message-ID: <1331925094.11723.11.camel@marge.simpson.net>
Date:	Fri, 16 Mar 2012 20:11:34 +0100
From:	Mike Galbraith <efault@....de>
To:	Dimitri Sivanich <sivanich@....com>
Cc:	paulmck@...ux.vnet.ibm.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC] rcu: Limit GP initialization to CPUs that have been
 online

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

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