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>
Cc: linux-kernel@vger.kernel.org, Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: [PATCH 03/11] perf, sparc64: Fix maybe_change_configuration() PCR setting.
Date: Thu, 24 Jun 2010 16:28:07 +0200 [thread overview]
Message-ID: <20100624143406.648945135@chello.nl> (raw)
In-Reply-To: 20100624142804.431553874@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:[~2010-06-24 14:38 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-24 14:28 [RFC][PATCH 00/11] perf pmu interface -v2 Peter Zijlstra
2010-06-24 14:28 ` [PATCH 01/11] perf, x86: Fix Nehalem PMU quirk Peter Zijlstra
2010-06-24 14:28 ` [PATCH 02/11] perf: Fix argument of perf_arch_fetch_caller_regs Peter Zijlstra
2010-06-24 14:28 ` Peter Zijlstra [this message]
2010-06-24 14:28 ` [RFC][PATCH 04/11] perf: deconstify struct pmu Peter Zijlstra
2010-06-24 14:28 ` [RFC][PATCH 05/11] perf: register pmu implementations Peter Zijlstra
2010-06-28 13:21 ` Frederic Weisbecker
2010-06-28 15:16 ` Peter Zijlstra
2010-06-28 15:29 ` Frederic Weisbecker
2010-07-09 3:08 ` Paul Mackerras
2010-07-09 8:14 ` Peter Zijlstra
2010-06-24 14:28 ` [RFC][PATCH 06/11] perf: Unindent labels Peter Zijlstra
2010-06-24 14:28 ` [RFC][PATCH 07/11] perf: Reduce perf_disable() usage Peter Zijlstra
2010-06-24 14:28 ` [RFC][PATCH 08/11] perf: Per PMU disable Peter Zijlstra
2010-07-09 7:31 ` Paul Mackerras
2010-07-09 8:36 ` Peter Zijlstra
2010-06-24 14:28 ` [RFC][PATCH 09/11] perf: Default PMU ops Peter Zijlstra
2010-06-29 14:49 ` Frederic Weisbecker
2010-06-29 14:57 ` Peter Zijlstra
2010-06-29 15:00 ` Frederic Weisbecker
2010-06-29 14:58 ` Frederic Weisbecker
2010-06-29 14:59 ` Peter Zijlstra
2010-06-29 15:03 ` Frederic Weisbecker
2010-06-29 16:34 ` Peter Zijlstra
2010-06-29 18:07 ` Frederic Weisbecker
2010-06-29 18:09 ` Peter Zijlstra
2010-06-29 18:11 ` Frederic Weisbecker
2010-06-29 18:19 ` Peter Zijlstra
2010-06-29 18:21 ` Frederic Weisbecker
2010-06-24 14:28 ` [RFC][PATCH 10/11] perf: Shrink hw_perf_event Peter Zijlstra
2010-06-29 15:06 ` Frederic Weisbecker
2010-06-24 14:28 ` [RFC][PATCH 11/11] perf: Rework the PMU methods Peter Zijlstra
2010-06-29 15:37 ` Frederic Weisbecker
2010-06-29 16:40 ` Peter Zijlstra
2010-06-29 18:09 ` Frederic Weisbecker
2010-06-25 11:11 ` [RFC][PATCH 00/11] perf pmu interface -v2 Will Deacon
2010-06-25 11:16 ` Peter Zijlstra
2010-06-25 14:36 ` Will Deacon
2010-06-25 14:50 ` Peter Zijlstra
2010-07-01 14:36 ` Peter Zijlstra
2010-07-01 15:02 ` Peter Zijlstra
2010-07-01 15:31 ` MattFleming
2010-07-01 15:39 ` Peter Zijlstra
2010-07-01 16:04 ` Matt Fleming
2010-07-02 2:57 ` Paul Mundt
2010-07-02 9:52 ` Peter Zijlstra
2010-07-05 11:14 ` Paul Mundt
2010-07-08 11:13 ` Peter Zijlstra
2010-07-08 11:19 ` Ingo Molnar
2010-07-18 19:37 ` Matt Fleming
2010-07-02 12:55 ` Will Deacon
2010-06-26 11:22 ` Matt Fleming
2010-06-26 16:22 ` Corey Ashford
2010-06-28 15:13 ` Peter Zijlstra
2010-06-30 17:19 ` Corey Ashford
2010-06-30 18:11 ` Peter Zijlstra
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