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From: Thomas Gleixner <tglx@linutronix.de>
To: Kan Liang <kan.liang@intel.com>
Cc: peterz@infradead.org, ak@linux.intel.com, eranian@google.com,
	mingo@redhat.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH V3 2/2] x86/perf/intel/uncore: Make Intel rapl modular
Date: Sun, 20 Mar 2016 13:04:05 +0100 (CET)	[thread overview]
Message-ID: <alpine.DEB.2.11.1603201301330.3978@nanos> (raw)
In-Reply-To: <1458372050-2420-2-git-send-email-kan.liang@intel.com>

On Sat, 19 Mar 2016, kan.liang@intel.com wrote:
>  
> +static struct notifier_block rapl_cpu_nb = {
> +	.notifier_call	= rapl_cpu_notifier,

Hmm. Missed that in the first round. That lacks

     .priority       = CPU_PRI_PERF + 1,

because the driver needs to migrate its stuff away before the core code gets
notified about the cpu going down.

Thanks,

	tglx

  reply	other threads:[~2016-03-20 12:05 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-19  7:20 [PATCH V3 1/2] x86/perf/intel/uncore: Make Intel uncore modular kan.liang
2016-03-19  7:20 ` [PATCH V3 2/2] x86/perf/intel/uncore: Make Intel rapl modular kan.liang
2016-03-20 12:04   ` Thomas Gleixner [this message]
2016-03-31  9:20   ` [tip:perf/core] x86/perf/intel/rapl: Make the Intel RAPL PMU driver modular tip-bot for Kan Liang

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