From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f70.google.com (mail-pg0-f70.google.com [74.125.83.70]) by kanga.kvack.org (Postfix) with ESMTP id 66B536B0388 for ; Wed, 1 Mar 2017 23:20:28 -0500 (EST) Received: by mail-pg0-f70.google.com with SMTP id 1so79124322pgz.5 for ; Wed, 01 Mar 2017 20:20:28 -0800 (PST) Received: from bombadil.infradead.org (bombadil.infradead.org. [65.50.211.133]) by mx.google.com with ESMTPS id a191si6416465pfa.23.2017.03.01.20.20.27 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 01 Mar 2017 20:20:27 -0800 (PST) Date: Wed, 1 Mar 2017 20:20:21 -0800 From: Matthew Wilcox Subject: Re: [PATCH v5 06/13] lockdep: Implement crossrelease feature Message-ID: <20170302042021.GN16328@bombadil.infradead.org> References: <1484745459-2055-1-git-send-email-byungchul.park@lge.com> <1484745459-2055-7-git-send-email-byungchul.park@lge.com> <20170228181547.GM5680@worktop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170228181547.GM5680@worktop> Sender: owner-linux-mm@kvack.org List-ID: To: Peter Zijlstra Cc: Byungchul Park , 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 Tue, Feb 28, 2017 at 07:15:47PM +0100, Peter Zijlstra wrote: > (And we should not be returning to userspace with locks held anyway -- > lockdep already has a check for that). Don't we return to userspace with page locks held, eg during async directio? -- 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