From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: [PATCH 2/4][RFC v2] PM / sleep: Introduce arch-specific hook for disable/enable nonboot cpus Date: Sat, 25 Jun 2016 18:51:59 +0200 Message-ID: <20160625165159.GB4362@amd> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:45504 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751425AbcFYQwC (ORCPT ); Sat, 25 Jun 2016 12:52:02 -0400 Content-Disposition: inline In-Reply-To: Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: Chen Yu Cc: linux-pm@vger.kernel.org, x86@kernel.org, "Rafael J. Wysocki" , Len Brown , Peter Zijlstra , "H. Peter Anvin" , Borislav Petkov , Brian Gerst , Thomas Gleixner , Ingo Molnar , Varun Koyyalagunta , linux-kernel@vger.kernel.org On Sun 2016-06-26 00:18:41, Chen Yu wrote: > There is requirement that we need to do some arch-specific > operations before putting the nonboot CPUs offline/online. > One of the requirements comes from the hibernation resume > process on x86_64, we need to kick all the offlin-CPUs > online and offline again, in order to put them in a safe > state, thus to avoid possible unwilling wake up during > hibernation resume. You may want to check english here. -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html