Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751582AbaFDS2N (ORCPT ); Wed, 4 Jun 2014 14:28:13 -0400 Received: from qmta01.emeryville.ca.mail.comcast.net ([76.96.30.16]:53756 "EHLO qmta01.emeryville.ca.mail.comcast.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750933AbaFDS2M (ORCPT ); Wed, 4 Jun 2014 14:28:12 -0400 Date: Wed, 4 Jun 2014 13:28:09 -0500 (CDT) From: Christoph Lameter To: Tejun Heo cc: Linus Torvalds , linux-kernel@vger.kernel.org, Kent Overstreet , Sebastian Ott , Heiko Carstens Subject: Re: [GIT PULL] last minute percpu fix for v3.15-rc8 In-Reply-To: <20140604181214.GM5004@htj.dyndns.org> Message-ID: References: <20140604163700.GH5004@htj.dyndns.org> <20140604181214.GM5004@htj.dyndns.org> Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 4 Jun 2014, Tejun Heo wrote: > > Given that percpu operations can be performed on any allocated percpu > area, it's a bit difficult to achieve tho. The only way I can think > of is percpu allocator creating lockdep key for all the allocated > offsets which isn't too enticing. :( Hmmm.. Or an annotation for a percpu variable saying that its being used from an interrupt context. -- 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/