linux-kernel - RE: [PATCH] x86: Add check for number of available vectors before CPU down [v3]

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Message-ID: <3908561D78D1C84285E8C5FCA982C28F31D8F0E9@ORSMSX106.amr.corp.intel.com>
Date:	Fri, 20 Dec 2013 23:06:59 +0000
From:	"Luck, Tony" <tony.luck@...el.com>
To:	Andi Kleen <ak@...ux.intel.com>,
	Prarit Bhargava <prarit@...hat.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Thomas Gleixner" <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	"x86@...nel.org" <x86@...nel.org>,
	Michel Lespinasse <walken@...gle.com>,
	Seiji Aguchi <seiji.aguchi@....com>,
	"Zhang, Yang Z" <yang.z.zhang@...el.com>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	"Morgan, Janet" <janet.morgan@...el.com>,
	"ruiv.wang@...il.com" <ruiv.wang@...il.com>,
	"gong.chen@...ux.intel.com" <gong.chen@...ux.intel.com>
Subject: RE: [PATCH] x86: Add check for number of available vectors before
 CPU down [v3]

> I haven't double checked, but I'm assuming the hot plug locks are held
> while you are doing this.

I dug into that when looking at v2 - the whole thing is under "stop_machine()"
so locking was not an issue.

Reviewed-by: Tony Luck <tony.luck@...el.com>

-Tony
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