linux-kernel - Re: [PATCH 0/3] perf_events and hw

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Message-ID: <20100913200852.GC6155@nowhere>
Date:	Mon, 13 Sep 2010 22:08:55 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Matt Helsley <matthltc@...ibm.com>
Cc:	containers@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org, Prasad <prasad@...ux.vnet.ibm.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...e.hu>, Will Deacon <will.deacon@....com>,
	Mahesh Salgaonkar <mahesh@...ux.vnet.ibm.com>
Subject: Re: [PATCH 0/3] perf_events and hw_breakpoints fix and cleanup

On Mon, Sep 13, 2010 at 01:01:17PM -0700, Matt Helsley wrote:
> Fixes a bug in the way that hardward breakpoints pass around [v]pids.
> 
> The last two patches move the pid resolution closer to the syscall
> and avoid passing pids entirely so that the perf event code does not
> need to worry about being in the wrong pid namespace when kernel
> counters are created.
> 
> NOTE: Applies to -tip perf/core. Compile-tested only at the moment.



Thanks a lot, I'll test that and push for -tip + backport in no big problem
arise.

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