Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751139AbdLWJj0 (ORCPT ); Sat, 23 Dec 2017 04:39:26 -0500 Received: from relay2-d.mail.gandi.net ([217.70.183.194]:51742 "EHLO relay2-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750713AbdLWJjU (ORCPT ); Sat, 23 Dec 2017 04:39:20 -0500 X-Originating-IP: 50.39.166.153 Date: Sat, 23 Dec 2017 01:39:11 -0800 From: Josh Triplett To: Matthew Wilcox Cc: Ross Zwisler , linux-kernel@vger.kernel.org, Dave Hansen , linux-mm@kvack.org, Matthew Wilcox , linux-sparse@vger.kernel.org Subject: Re: [PATCH 2/2] Introduce __cond_lock_err Message-ID: <20171223093910.GB6160@localhost> References: <20171219165823.24243-1-willy@infradead.org> <20171219165823.24243-2-willy@infradead.org> <20171221214810.GC9087@linux.intel.com> <20171222011000.GB23624@bombadil.infradead.org> <20171222042120.GA18036@localhost> <20171222123112.GA6401@bombadil.infradead.org> <20171222133634.GE6401@bombadil.infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20171222133634.GE6401@bombadil.infradead.org> User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 851 Lines: 21 +linux-sparse On Fri, Dec 22, 2017 at 05:36:34AM -0800, Matthew Wilcox wrote: > On Fri, Dec 22, 2017 at 04:31:12AM -0800, Matthew Wilcox wrote: > > On Thu, Dec 21, 2017 at 08:21:20PM -0800, Josh Triplett wrote: > > > On Thu, Dec 21, 2017 at 05:10:00PM -0800, Matthew Wilcox wrote: > > > > Yes, but this define is only #if __CHECKER__, so it doesn't matter what we > > > > return as this code will never run. > > > > > > It does matter slightly, as Sparse does some (very limited) value-based > > > analyses. Let's future-proof it. > > > > > > > That said, if sparse supports the GNU syntax of ?: then I have no > > > > objection to doing that. > > > > > > Sparse does support that syntax. > > > > Great, I'll fix that and resubmit. > > Except the context imbalance warning comes back if I do. This is sparse > 0.5.1 (Debian's 0.5.1-2 package).