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=-7.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 99164C43331 for ; Tue, 31 Mar 2020 19:26:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7345C20784 for ; Tue, 31 Mar 2020 19:26:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ELhoeap4" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728826AbgCaT0l (ORCPT ); Tue, 31 Mar 2020 15:26:41 -0400 Received: from mail-ot1-f66.google.com ([209.85.210.66]:42722 "EHLO mail-ot1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727509AbgCaT0l (ORCPT ); Tue, 31 Mar 2020 15:26:41 -0400 Received: by mail-ot1-f66.google.com with SMTP id z5so23056363oth.9; Tue, 31 Mar 2020 12:26:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=p2qtUegF86XJQD0U9mJ6PbruzGtXxYRXcPJJraWyFNo=; b=ELhoeap4k3w9h7bN3wcxhblGlHt/Y266s4gRXs/8+KgpSlLbX53w29ryNSlWfNUzzQ 24uFWR202K7G8mT2ecteqfqcIpE5MUB232V4d2zGoMuPdMcvMWJCGvLAvYlLtivgvk24 9f7Va3tctc42c6KdTNAua8en3Zu5c9haPM2AIig3nIlVr8KoIHpqEWxrDbL/mH7Wk5go bTNDD4AzNg1XiGfXf0zTNMnmIKZJakNmMkpNdOXAYmsE+MyF5+hDdaulyYmaktYRJpD6 rOYajfFz26v+Q5z+IaPvvG3nosGY3Jb5lF8ECN+Fs7lP7jeC0tqU+BzWyljNdbv4IOOj cspQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=p2qtUegF86XJQD0U9mJ6PbruzGtXxYRXcPJJraWyFNo=; b=F2+D6bGTAAZk9XhYz3Y9ZDhVNpFm5RknWqYhG90j/g7ldNyljFLt++I2ffirUamg/m UvfJdqTAUOpOT0NGvMzLadD5WdFDWwNFl/8WN24SMQLnPryD9Nb20y6ElX0J9s+c0VWt YWmoxefhQ0kMR/UVTr80R+SbHXK4vAtAySwHBZao4sxoN4v+TppuavLTFxhoDPiWv/Pn 1BewEJnixZyy9XyOIqQspiO1BkkOyg1YtnX61DKEIx8z9zXPdO10g9OzYVdiBheTyFIx DaafEHI9zb3WuaJI2Tti3Z8uOuyVOz5keOsrcvf8nXFg8KvoRw096QN+jOOac2jKZ7gt iJfA== X-Gm-Message-State: ANhLgQ0k9lh2LPMGITR8FcqDmR0oPBDUCob9wnti22eWfoE/IT+tFy2Z XsuX0b9Kufu9YbZCmkAZ7+w= X-Google-Smtp-Source: ADFU+vsdiPcZYYBWdzojItr8T5o1ryKfN0bU1KvGxWA3rNxYN6SUUNiqR3EJ1ted02/26RlWPqXaEw== X-Received: by 2002:a9d:a6b:: with SMTP id 98mr13525220otg.21.1585682800831; Tue, 31 Mar 2020 12:26:40 -0700 (PDT) Received: from ubuntu-m2-xlarge-x86 ([2604:1380:4111:8b00::1]) by smtp.gmail.com with ESMTPSA id 90sm5487928otc.29.2020.03.31.12.26.38 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 31 Mar 2020 12:26:39 -0700 (PDT) Date: Tue, 31 Mar 2020 12:26:37 -0700 From: Nathan Chancellor To: Nick Desaulniers Cc: Masahiro Yamada , Michal Marek , Linux Kbuild mailing list , Linux Kernel Mailing List , clang-built-linux , Dmitry Vyukov , "Gustavo A. R. Silva" Subject: Re: [PATCH v2] kbuild: Enable -Wtautological-compare Message-ID: <20200331192637.GA54270@ubuntu-m2-xlarge-x86> References: <20200326194155.29107-1-natechancellor@gmail.com> <20200331101122.GA6292@ubuntu-m2-xlarge-x86> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 31, 2020 at 09:02:19AM -0700, 'Nick Desaulniers' via Clang Built Linux wrote: > On Tue, Mar 31, 2020 at 3:11 AM Nathan Chancellor > wrote: > > Just a follow up, those two patches have been picked up and should be in > > this coming release: > > > > https://git.kernel.org/balbi/usb/c/58582220d2d34228e5a1e1585e41b735713988bb > > https://git.kernel.org/rostedt/linux-trace/c/bf2cbe044da275021b2de5917240411a19e5c50d > > > > As of next-20200331, with the former applied (because it is not there > > yet) along with this patch, I see no warnings on arm, arm64, x86_64 > > all{mod,yes}config. > > kbuild test robot is testing more arch's than that with Clang so it > may report if it finds more instances of that warning in those. > > -- > Thanks, > ~Nick Desaulniers > I'll keep an eye out. Hopefully not too many more are lurking but we have definitely caught some bad behavior with this warning already so getting it turned on so that all CI systems can benefit from it is important. Cheers, Nathan