Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754275Ab2HHAy1 (ORCPT ); Tue, 7 Aug 2012 20:54:27 -0400 Received: from mail-yx0-f174.google.com ([209.85.213.174]:42802 "EHLO mail-yx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753290Ab2HHAyZ (ORCPT ); Tue, 7 Aug 2012 20:54:25 -0400 MIME-Version: 1.0 In-Reply-To: <201208080015.31359.rjw@sisk.pl> References: <1343251216-24106-1-git-send-email-ccross@android.com> <201208080015.31359.rjw@sisk.pl> Date: Tue, 7 Aug 2012 17:54:24 -0700 X-Google-Sender-Auth: iNQ7Id6LRcsOsHW2PaZ6H415hQk Message-ID: Subject: Re: [PATCH] cpuidle: coupled: fix sleeping while atomic in cpu notifier From: Colin Cross To: "Rafael J. Wysocki" Cc: Len Brown , Len Brown , Kevin Hilman , Santosh Shilimkar , linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 X-System-Of-Record: true Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 752 Lines: 17 On Tue, Aug 7, 2012 at 3:15 PM, Rafael J. Wysocki wrote: > On Wednesday, July 25, 2012, Colin Cross wrote: >> The cpu hotplug notifier gets called in both atomic and non-atomic >> contexts, it is not always safe to lock a mutex. Filter out all events >> except the six necessary ones, which are all sleepable, before taking >> the mutex. >> >> Signed-off-by: Colin Cross > > Has this been applied already? It's not in Linus' tree, and I haven't heard anything from Len. -- 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/