From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752340AbdB1MrK (ORCPT ); Tue, 28 Feb 2017 07:47:10 -0500 Received: from merlin.infradead.org ([205.233.59.134]:58556 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751441AbdB1MrI (ORCPT ); Tue, 28 Feb 2017 07:47:08 -0500 Date: Tue, 28 Feb 2017 13:45:07 +0100 From: Peter Zijlstra To: Byungchul Park Cc: mingo@kernel.org, tglx@linutronix.de, walken@google.com, boqun.feng@gmail.com, kirill@shutemov.name, linux-kernel@vger.kernel.org, linux-mm@kvack.org, iamjoonsoo.kim@lge.com, akpm@linux-foundation.org, npiggin@gmail.com Subject: Re: [PATCH v5 06/13] lockdep: Implement crossrelease feature Message-ID: <20170228124507.GG5680@worktop> References: <1484745459-2055-1-git-send-email-byungchul.park@lge.com> <1484745459-2055-7-git-send-email-byungchul.park@lge.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1484745459-2055-7-git-send-email-byungchul.park@lge.com> User-Agent: Mutt/1.5.22.1 (2013-10-16) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 18, 2017 at 10:17:32PM +0900, Byungchul Park wrote: > + /* > + * struct held_lock does not have an indicator whether in nmi. > + */ > + int nmi; Do we really need this? Lockdep doesn't really know about NMI context, so its weird to now partially introduce it. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-it0-f70.google.com (mail-it0-f70.google.com [209.85.214.70]) by kanga.kvack.org (Postfix) with ESMTP id 6F5516B03A2 for ; Tue, 28 Feb 2017 07:45:21 -0500 (EST) Received: by mail-it0-f70.google.com with SMTP id m27so6397290iti.7 for ; Tue, 28 Feb 2017 04:45:21 -0800 (PST) Received: from merlin.infradead.org (merlin.infradead.org. [2001:4978:20e::2]) by mx.google.com with ESMTPS id 19si2061208iof.183.2017.02.28.04.45.20 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 28 Feb 2017 04:45:20 -0800 (PST) Date: Tue, 28 Feb 2017 13:45:07 +0100 From: Peter Zijlstra Subject: Re: [PATCH v5 06/13] lockdep: Implement crossrelease feature Message-ID: <20170228124507.GG5680@worktop> References: <1484745459-2055-1-git-send-email-byungchul.park@lge.com> <1484745459-2055-7-git-send-email-byungchul.park@lge.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1484745459-2055-7-git-send-email-byungchul.park@lge.com> Sender: owner-linux-mm@kvack.org List-ID: To: Byungchul Park Cc: mingo@kernel.org, tglx@linutronix.de, walken@google.com, boqun.feng@gmail.com, kirill@shutemov.name, linux-kernel@vger.kernel.org, linux-mm@kvack.org, iamjoonsoo.kim@lge.com, akpm@linux-foundation.org, npiggin@gmail.com On Wed, Jan 18, 2017 at 10:17:32PM +0900, Byungchul Park wrote: > + /* > + * struct held_lock does not have an indicator whether in nmi. > + */ > + int nmi; Do we really need this? Lockdep doesn't really know about NMI context, so its weird to now partially introduce it. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org