From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0A27AC43603 for ; Fri, 20 Dec 2019 20:13:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D0B2920866 for ; Fri, 20 Dec 2019 20:13:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="Uyrcnoo7" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727578AbfLTUNW (ORCPT ); Fri, 20 Dec 2019 15:13:22 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:36594 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727394AbfLTUNW (ORCPT ); Fri, 20 Dec 2019 15:13:22 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=dLcmpRz2dHxIctx3Z0LJU9fWsVWtkTbestp9wAL4NSU=; b=Uyrcnoo7yYQv0BouG+Pl9Xs23 g1GITmgl53QOxA7Bb9pvmNKrh90wMCE9ERj7MHfKmCemjC4JwFOns5WCzth2f0hfkBBaB2RDz1bkL 1E6eqfGCKfVH7BJmb5OtfZSfLC0OoFeBe9Ixv9k+6TCtdCakxZkD8o3xA40fT9bU33WytdX6aL/A7 QJ6Qo2P5Swsq1KUGuze/Xiuh9dS/NpBa5OXEioNGPQ97foMkovsQLzqRLz1mX2b8L76lpm/KqcptJ Ob9Fj87w4QKf0hBWALkDj6dikE4NOCDr52N8xyBIPO5yY5WaMSWjYqpP2CM9Cd5HZEWl3g7cTtjuy qZRQPv/bw==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1iiOeC-0003nW-M2; Fri, 20 Dec 2019 20:13:16 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id DDE52300DB7; Fri, 20 Dec 2019 21:11:49 +0100 (CET) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 0E7352024479A; Fri, 20 Dec 2019 21:13:14 +0100 (CET) Date: Fri, 20 Dec 2019 21:13:14 +0100 From: Peter Zijlstra To: Davidlohr Bueso Cc: David Howells , linux-afs@lists.infradead.org, Ingo Molnar , Will Deacon , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Thomas Gleixner Subject: Re: [PATCH] rxrpc: struct mutex cannot be used for rxrpc_call::user_mutex Message-ID: <20191220201314.GS2827@hirez.programming.kicks-ass.net> References: <157659672074.19580.11641288666811539040.stgit@warthog.procyon.org.uk> <20191218135047.GS2844@hirez.programming.kicks-ass.net> <20191218190833.ufpxjrvin5jvp3m5@linux-p48b> <20191218202801.wokf6hcvbafmjnkd@linux-p48b> <20191219090535.GV2844@hirez.programming.kicks-ass.net> <20191219174417.jax2fy3fvrvrrpsq@linux-p48b> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191219174417.jax2fy3fvrvrrpsq@linux-p48b> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Dec 19, 2019 at 09:44:17AM -0800, Davidlohr Bueso wrote: > On Thu, 19 Dec 2019, Peter Zijlstra wrote: > > > Automate what exactly? > > What I meant was automating finding cases that are 'false positives' such > as rxrpc and kexec _before_ re-adding the warn. I suppose we can keep the WARN patch in a -next enabled branch for a while, without it nessecarily going into linus' tree on the next release. That does require people actually testing -next, which seems somewhat optimistic. Alternatively, you can try your hand at smatch ...