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 03/13] perf: Fix CPU hotplug
Date: Fri, 09 Jul 2010 10:21:20 +0200 [thread overview]
Message-ID: <20100709083247.750591853@chello.nl> (raw)
In-Reply-To: 20100709082117.631541128@chello.nl
[-- Attachment #1: perf-x86-fix-cpuhotplug.patch --]
[-- Type: text/plain, Size: 789 bytes --]
Since we have UP_PREPARE, we should also have UP_CANCELED.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
kernel/perf_event.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
Index: linux-2.6/kernel/perf_event.c
===================================================================
--- linux-2.6.orig/kernel/perf_event.c
+++ linux-2.6/kernel/perf_event.c
@@ -5743,15 +5743,15 @@ perf_cpu_notify(struct notifier_block *s
{
unsigned int cpu = (long)hcpu;
- switch (action) {
+ switch (action & ~CPU_TASKS_FROZEN) {
case CPU_UP_PREPARE:
- case CPU_UP_PREPARE_FROZEN:
+ case CPU_DOWN_FAILED:
perf_event_init_cpu(cpu);
break;
+ case CPU_UP_CANCELED:
case CPU_DOWN_PREPARE:
- case CPU_DOWN_PREPARE_FROZEN:
perf_event_exit_cpu(cpu);
break;
next prev parent reply other threads:[~2010-07-09 8:39 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 ` [PATCH 02/13] sparc64: Fix maybe_change_configuration() PCR setting Peter Zijlstra
2010-07-09 8:21 ` Peter Zijlstra [this message]
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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