From: Peter Zijlstra <peterz@infradead.org>
To: "DSouza, Nelson" <nelson.dsouza@intel.com>
Cc: Tony Jones <tonyj@suse.com>, Thomas Gleixner <tglx@linutronix.de>,
Stephane Eranian <eranian@google.com>,
Ingo Molnar <mingo@kernel.org>, Jiri Olsa <jolsa@redhat.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/8] perf/x86/intel: Fix memory corruption
Date: Thu, 21 Mar 2019 21:07:00 +0100 [thread overview]
Message-ID: <20190321200700.GD2490@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <BC9B17E68BB84346BEE0B491BDB7D8AE28A6A745@ORSMSX101.amr.corp.intel.com>
On Thu, Mar 21, 2019 at 07:47:50PM +0000, DSouza, Nelson wrote:
> Is the request to check whether the msr gets reset to default upon reboot of the machine ?
basically:
- apply patch
- start workload with 4 counter (on all CPUs), such that tfa-msr=1
- try the following:
o cpu hotplug
o kexec
to see if the new WARN will trigger -- it should not.
next prev parent reply other threads:[~2019-03-21 20:07 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-14 13:01 [RFC][PATCH 0/8] perf/x86: event scheduling cleanups Peter Zijlstra
2019-03-14 13:01 ` [PATCH 1/8] perf/x86/intel: Fix memory corruption Peter Zijlstra
2019-03-15 11:29 ` [tip:perf/urgent] " tip-bot for Peter Zijlstra
2019-03-19 6:29 ` [PATCH 1/8] " Stephane Eranian
2019-03-19 11:05 ` Peter Zijlstra
2019-03-19 17:52 ` Stephane Eranian
2019-03-19 18:20 ` Peter Zijlstra
2019-03-20 20:47 ` Stephane Eranian
2019-03-20 20:52 ` Stephane Eranian
2019-03-20 22:22 ` Peter Zijlstra
2019-03-21 12:38 ` Peter Zijlstra
2019-03-21 16:45 ` Thomas Gleixner
2019-03-21 17:10 ` Peter Zijlstra
2019-03-21 17:17 ` Thomas Gleixner
2019-03-21 18:20 ` Peter Zijlstra
2019-03-21 19:42 ` Tony Jones
2019-03-21 19:47 ` DSouza, Nelson
2019-03-21 20:07 ` Peter Zijlstra [this message]
2019-03-21 23:16 ` DSouza, Nelson
2019-03-22 22:14 ` DSouza, Nelson
2019-03-21 17:23 ` Stephane Eranian
2019-03-21 17:51 ` Thomas Gleixner
2019-03-22 19:04 ` Stephane Eranian
2019-04-03 7:32 ` Peter Zijlstra
2019-04-03 10:40 ` [tip:perf/urgent] perf/x86/intel: Initialize TFA MSR tip-bot for Peter Zijlstra
2019-04-03 11:30 ` Thomas Gleixner
2019-04-03 12:23 ` Vince Weaver
2019-03-14 13:01 ` [RFC][PATCH 2/8] perf/x86/intel: Simplify intel_tfa_commit_scheduling() Peter Zijlstra
2019-03-14 13:01 ` [RFC][PATCH 3/8] perf/x86: Simplify x86_pmu.get_constraints() interface Peter Zijlstra
2019-03-19 21:21 ` Stephane Eranian
2019-03-14 13:01 ` [RFC][PATCH 4/8] perf/x86: Remove PERF_X86_EVENT_COMMITTED Peter Zijlstra
2019-03-19 20:48 ` Stephane Eranian
2019-03-19 21:00 ` Peter Zijlstra
2019-03-20 13:14 ` Peter Zijlstra
2019-03-20 12:23 ` Peter Zijlstra
2019-03-14 13:01 ` [RFC][PATCH 5/8] perf/x86/intel: Optimize intel_get_excl_constraints() Peter Zijlstra
2019-03-19 23:43 ` Stephane Eranian
2019-03-14 13:01 ` [RFC][PATCH 6/8] perf/x86: Clear ->event_constraint[] on put Peter Zijlstra
2019-03-19 21:50 ` Stephane Eranian
2019-03-20 12:25 ` Peter Zijlstra
2019-03-14 13:01 ` [RFC][PATCH 7/8] perf/x86: Optimize x86_schedule_events() Peter Zijlstra
2019-03-19 23:55 ` Stephane Eranian
2019-03-20 13:11 ` Peter Zijlstra
2019-03-20 19:30 ` Stephane Eranian
2019-03-14 13:01 ` [RFC][PATCH 8/8] perf/x86: Add sanity checks to x86_schedule_events() Peter Zijlstra
2019-03-15 7:15 ` [RFC][PATCH 0/8] perf/x86: event scheduling cleanups Stephane Eranian
2019-03-15 7:15 ` Stephane Eranian
2019-03-15 8:01 ` Peter Zijlstra
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