linux-kernel - Re: [PATCH 02/10] x86/intel_cqm: Modify hot cpu notification handling

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Date:	Mon, 15 Jun 2015 09:52:12 -0700 (PDT)
From:	Vikas Shivappa <vikas.shivappa@...el.com>
To:	Peter Zijlstra <peterz@...radead.org>
cc:	Vikas Shivappa <vikas.shivappa@...ux.intel.com>,
	linux-kernel@...r.kernel.org, vikas.shivappa@...el.com,
	x86@...nel.org, hpa@...or.com, tglx@...utronix.de,
	mingo@...nel.org, Matt Fleming <matt.fleming@...el.com>,
	"Juvva, Kanaka D" <kanaka.d.juvva@...el.com>,
	"Williamson, Glenn P" <glenn.p.williamson@...el.com>,
	"Auld, Will" <will.auld@...el.com>
Subject: Re: [PATCH 02/10] x86/intel_cqm: Modify hot cpu notification
 handling




On Mon, 15 Jun 2015, Peter Zijlstra wrote:

> On Fri, Jun 12, 2015 at 11:17:09AM -0700, Vikas Shivappa wrote:
>>  static inline void cqm_pick_event_reader(int cpu)
>>  {
>> -	int phys_id = topology_physical_package_id(cpu);
>> -	int i;
>> +	struct cpumask tmp;
>
> No cpumasks on stacks.

ok , will change to static cpumask_t. Same change in rdt_cpumask_update and 
rapl_cpu_init.

>
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