Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934169AbaGXFFB (ORCPT ); Thu, 24 Jul 2014 01:05:01 -0400 Received: from mail-oi0-f43.google.com ([209.85.218.43]:39964 "EHLO mail-oi0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934074AbaGXFE7 (ORCPT ); Thu, 24 Jul 2014 01:04:59 -0400 MIME-Version: 1.0 In-Reply-To: <53D07737.70904@codeaurora.org> References: <1404959850-11617-1-git-send-email-skannan@codeaurora.org> <16164926.ZsJxe6UV3e@vostro.rjw.lan> <53D07737.70904@codeaurora.org> Date: Thu, 24 Jul 2014 10:34:58 +0530 Message-ID: Subject: Re: [PATCH] cpufreq: Don't destroy/realloc policy/sysfs on hotplug/suspend From: Viresh Kumar To: Saravana Kannan Cc: "Rafael J. Wysocki" , Todd Poynor , "linux-pm@vger.kernel.org" , Linux Kernel Mailing List , "linux-arm-msm@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 24 July 2014 08:32, Saravana Kannan wrote: > Ok, I think I've figured this out. But one question. Is it possible to > physically remove one CPU in a bunch of "related cpus" without also > unplugging the rest? Put another way, can you unplug one core from a > cluster? Are we talking about doing this here: echo 0 > /sys/devices/system/cpu/cpuX/online ?? If yes, then what's the confusion all about? Yes we do it all the time. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/