linux-kernel - Re: [PATCH v4 2/2] powercap/rapl: reduce ipi calls

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Message-ID: <20160219142300.22e98084@icelake>
Date:	Fri, 19 Feb 2016 14:23:00 -0800
From:	Jacob Pan <jacob.jun.pan@...ux.intel.com>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Rafael Wysocki <rafael.j.wysocki@...el.com>,
	Linux PM <linux-pm@...r.kernel.org>,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
	Peter Zijlstra <peterz@...radead.org>,
	"David S. Miller" <davem@...emloft.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	jacob.jun.pan@...ux.intel.com
Subject: Re: [PATCH v4 2/2] powercap/rapl: reduce ipi calls

On Fri, 19 Feb 2016 23:01:59 +0100 (CET)
Thomas Gleixner <tglx@...utronix.de> wrote:

> > > +			if (lead_cpu < nr_cpu_ids)
> > > +				new_package->lead_cpu =
> > > lead_cpu;  
> > 
> > So the above is identical to 
> > 
> > 			new_package->lead_cpu = lead_cpu;  
> 
> 			new_package->lead_cpu = i;
you are absolutely right. i is already the answer here.

Thanks,

Jacob