From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: paulus <paulus@samba.org>,
stephane eranian <eranian@googlemail.com>,
Robert Richter <robert.richter@amd.com>,
Will Deacon <will.deacon@arm.com>,
Paul Mundt <lethal@linux-sh.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Cyrill Gorcunov <gorcunov@gmail.com>,
Lin Ming <ming.m.lin@intel.com>,
Yanmin <yanmin_zhang@linux.intel.com>,
Deng-Cheng Zhu <dengcheng.zhu@gmail.com>,
David Miller <davem@davemloft.net>, Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org, Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: [PATCH 02/13] sparc64: Fix maybe_change_configuration() PCR setting.
Date: Fri, 09 Jul 2010 10:21:19 +0200 [thread overview]
Message-ID: <20100709083247.694385187@chello.nl> (raw)
In-Reply-To: 20100709082117.631541128@chello.nl
[-- Attachment #1: davem-sparc-pmu-fixup.patch --]
[-- Type: text/plain, Size: 788 bytes --]
From: David S. Miller <davem@davemloft.net>
Need to mask out the existing event bits before OR'ing in
the new ones.
Reported-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
arch/sparc/kernel/perf_event.c | 1 +
1 file changed, 1 insertion(+)
Index: linux-2.6/arch/sparc/kernel/perf_event.c
===================================================================
--- linux-2.6.orig/arch/sparc/kernel/perf_event.c
+++ linux-2.6/arch/sparc/kernel/perf_event.c
@@ -657,6 +657,7 @@ static u64 maybe_change_configuration(st
cpuc->current_idx[i] = idx;
enc = perf_event_get_enc(cpuc->events[i]);
+ pcr &= ~mask_for_index(idx);
pcr |= event_encoding(enc, idx);
}
out:
next prev parent reply other threads:[~2010-07-09 8:42 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-09 8:21 [RFC][PATCH 00/13] perf pmu interface changes -v3 Peter Zijlstra
2010-07-09 8:21 ` [PATCH 01/13] perf, x86: Fix Nehalem PMU quirk Peter Zijlstra
2010-07-09 8:21 ` Peter Zijlstra [this message]
2010-07-09 8:21 ` [PATCH 03/13] perf: Fix CPU hotplug Peter Zijlstra
2010-07-09 8:21 ` [PATCH 04/13] perf, powerpc: Use perf_sample_data_init() for the FSL code Peter Zijlstra
2010-07-09 8:21 ` [PATCH 05/13] perf, powerpc: Convert the FSL driver to use local64_t Peter Zijlstra
2010-07-09 8:21 ` [RFC][PATCH 06/13] perf: deconstify struct pmu Peter Zijlstra
2010-07-09 8:21 ` [RFC][PATCH 07/13] perf: register pmu implementations Peter Zijlstra
2010-07-09 8:21 ` [RFC][PATCH 08/13] perf: Unindent labels Peter Zijlstra
2010-07-09 8:21 ` [RFC][PATCH 09/13] perf: Reduce perf_disable() usage Peter Zijlstra
2010-07-09 8:21 ` [RFC][PATCH 10/13] perf: Per PMU disable Peter Zijlstra
2010-07-09 10:17 ` Paul Mackerras
2010-07-09 10:30 ` Peter Zijlstra
2010-07-09 10:39 ` Peter Zijlstra
2010-07-09 8:21 ` [RFC][PATCH 11/13] perf: Default PMU ops Peter Zijlstra
2010-07-09 8:21 ` [RFC][PATCH 12/13] perf: Shrink hw_perf_event Peter Zijlstra
2010-07-09 8:21 ` [RFC][PATCH 13/13] perf: Rework the PMU methods Peter Zijlstra
2010-07-10 13:36 ` Frederic Weisbecker
2010-07-10 13:47 ` Peter Zijlstra
2010-07-09 10:39 ` [RFC][PATCH 00/13] perf pmu interface changes -v3 Peter Zijlstra
2010-07-09 15:11 ` Will Deacon
2010-07-09 15:52 ` Peter Zijlstra
2010-07-09 23:34 ` Matt Fleming
2010-07-09 16:09 ` Peter Zijlstra
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