linux-kernel - Re: [PATCH] perf_counter: do not create perf counter mlock sysctl when CONFIG_PERF

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Date:	Sun, 24 May 2009 09:25:16 +0100
From:	Ian Campbell <Ian.Campbell@...citrix.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	linux-kernel <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>
Subject: Re: [PATCH] perf_counter: do not create perf counter mlock sysctl
 when CONFIG_PERF_COUNTERS=n

On Fri, 2009-05-22 at 15:25 -0400, Ingo Molnar wrote:
> * Ian Campbell <Ian.Campbell@...rix.com> wrote:
> 
> > Building tip from 82811bee3 without CONFIG_PERF_COUNTERS results in:
> > 
> >   CC      kernel/sysctl.o
> > kernel/sysctl.c:928: error: 'sysctl_perf_counter_mlock' undeclared here (not in a function)

> Hm, is this still needed? It doesnt apply here and i'm not seeing 
> build failures.

Looks like I was using an obsolete branch, on current tip (790dc57b) it
was already fixed by the commit which added the first perf counter
sysctl in 1ccd1549.

Ian.

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