From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Stephane Eranian <eranian@google.com>
Cc: "Yan, Zheng" <zheng.z.yan@linux.intel.com>,
"Yan, Zheng" <zheng.z.yan@intel.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] perf: Fix intel shared extra msr allocation
Date: Tue, 05 Jun 2012 12:27:51 +0200 [thread overview]
Message-ID: <1338892071.28282.157.camel@twins> (raw)
In-Reply-To: <CABPqkBSv8CbMzUiRsN2uOF1v6rFTpzhQqNbo7OKe-nzsus0GDg@mail.gmail.com>
On Tue, 2012-06-05 at 12:21 +0200, Stephane Eranian wrote:
> I agree with the first part of the patch in intel_try_alt_er(), we
> should not touch
> the actual event struct. But I am still unclear about the reg->alloc part.
reg->alloc is part of the actual event.
Thing is, the patch is horridly ugly.. while I agree that changing event
state isn't good, special casing all that code isn't good either.
I was looking at cloning the events for validate_group() as well, but so
far that's not turning out too pretty either.
next prev parent reply other threads:[~2012-06-05 10:28 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-01 3:20 [PATCH] perf: Fix intel shared extra msr allocation Yan, Zheng
2012-06-01 9:35 ` Stephane Eranian
2012-06-01 14:11 ` Yan, Zheng
2012-06-04 13:12 ` Stephane Eranian
2012-06-05 2:18 ` Yan, Zheng
2012-06-05 10:14 ` Peter Zijlstra
2012-06-05 10:21 ` Stephane Eranian
2012-06-05 10:27 ` Peter Zijlstra [this message]
2012-06-05 10:38 ` Stephane Eranian
2012-06-05 12:07 ` Peter Zijlstra
2012-06-05 12:39 ` Peter Zijlstra
2012-06-05 12:51 ` Stephane Eranian
2012-06-05 13:04 ` Peter Zijlstra
2012-06-05 13:30 ` [PATCH] perf, x86: Fix Intel shared extra MSR allocation Peter Zijlstra
2012-06-05 13:56 ` Peter Zijlstra
2012-06-05 21:26 ` Stephane Eranian
2012-06-06 1:00 ` Yan, Zheng
2012-06-06 15:57 ` [tip:perf/core] perf/x86: " tip-bot for Peter Zijlstra
2012-06-06 16:11 ` tip-bot for Peter Zijlstra
2012-06-05 13:31 ` [PATCH] perf: Fix intel shared extra msr allocation Stephane Eranian
2012-06-05 13:32 ` Peter Zijlstra
2012-06-05 13:38 ` Stephane Eranian
2012-06-05 13:47 ` Peter Zijlstra
2012-06-05 13:51 ` Stephane Eranian
2012-06-06 10:12 ` Stephane Eranian
2012-06-07 1:25 ` Yan, Zheng
2012-06-07 4:01 ` Yan, Zheng
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