From: Frederic Weisbecker <fweisbec@gmail.com>
To: Matt Helsley <matthltc@us.ibm.com>
Cc: containers@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, Prasad <prasad@linux.vnet.ibm.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Steven Rostedt <rostedt@goodmis.org>, Ingo Molnar <mingo@elte.hu>,
Will Deacon <will.deacon@arm.com>,
Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Subject: Re: [PATCH 0/3] perf_events and hw_breakpoints fix and cleanup
Date: Mon, 13 Sep 2010 22:08:55 +0200 [thread overview]
Message-ID: <20100913200852.GC6155@nowhere> (raw)
In-Reply-To: <1284408080-2135-1-git-send-email-matthltc@us.ibm.com>
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.
prev parent reply other threads:[~2010-09-13 20:09 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1284408080-2135-1-git-send-email-matthltc@us.ibm.com>
2010-09-13 20:01 ` [PATCH 1/3] hw breakpoints: Fix pid namespace bug Matt Helsley
2010-09-13 20:01 ` [PATCH 2/3] perf events: Split out task search into helper Matt Helsley
2010-09-15 10:03 ` [tip:perf/core] " tip-bot for Matt Helsley
2010-09-13 20:01 ` [PATCH 3/3] perf events: Cleanup pid passing Matt Helsley
2010-09-15 8:18 ` Peter Zijlstra
2010-09-15 10:03 ` [tip:perf/core] perf events: Clean up " tip-bot for Matt Helsley
2010-09-22 12:22 ` Peter Zijlstra
2010-09-15 10:03 ` [tip:perf/core] hw breakpoints: Fix pid namespace bug tip-bot for Matt Helsley
2010-09-15 11:41 ` Frederic Weisbecker
2010-09-15 11:45 ` Ingo Molnar
2010-09-17 8:28 ` [tip:perf/urgent] " tip-bot for Matt Helsley
2010-09-13 20:08 ` Frederic Weisbecker [this message]
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