Received: by 2002:a05:6358:1087:b0:cb:c9d3:cd90 with SMTP id j7csp1511201rwi; Thu, 20 Oct 2022 13:29:31 -0700 (PDT) X-Google-Smtp-Source: AMsMyM6vlXphyHYRVo2WDe87gXwEBUWEgAxyZF3AzexDajVPHGFHq47NmPI3f3mbhgImfEYtkXhH X-Received: by 2002:a05:6402:428a:b0:42e:8f7e:1638 with SMTP id g10-20020a056402428a00b0042e8f7e1638mr14033777edc.228.1666297771502; Thu, 20 Oct 2022 13:29:31 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1666297771; cv=none; d=google.com; s=arc-20160816; b=V7qp8ynQZdMp0lkAKrxYlbQprxvxOBngUiGfM+rJnwDl4h/CHu6+batnf/tMsqeBXW Qd2NPvaUNvZBYzr28fGkwtVwiAlZ9FjHPtiV0eJTyy4sztq9tSD/M+aFts3Q5VnJU5uv aympQiRcEPPuSvnbvg+JspGWt+0psoucEIR4ocb1GeIMhxyJiPX9eFY7Hx/FCbB83xyK OMwqCFGkTcKZg5C1MSAcuPPu4/9psWsBFqvugH/S4JtPz5d4ezoc9VRW4m93GBxSTLsA QAZJ6Mpls6Sp2DadzbLeaAMzKjLBEz4ZWa0E5QZj9k1r9iPTuPUzrCufwkbIDHjm5e27 qSYQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=sK52cU+4dAqf4ui7yRtuKU+lX8o9hCAscwbr9LJrgKY=; b=EjfYC13ci16hDuR2zhET8fLt36fynDA7ZSGR2vxSaP5iVMXQXeYkTTcZgaTTcuvV1f RB6enZpW7pTedtXR6FRkjOIwKxME4oKqLD3bV53zgj7UbZJYcHKFTktHej4ifS3MkseI IIkn/9wOswJFmvoibfnRZBQ5Momo8OY/pUEUXiIUuL5bVGt2eqZ229YlxZZyMFtO1ky8 dk9OK+Rg7c/jTkwY3GKVezhEkN0Vn630uldlClqoMGO2XfRHSRY9porKFNFDbSxOXG31 bBoQID1lvTUbAubOGV1kPGNv+sHUmrVPR4hMr6rfTWxPUJFY0EXVoee4rWwcQehYZEFI C+CQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id dz13-20020a0564021d4d00b00458db439f07si21150631edb.14.2022.10.20.13.29.06; Thu, 20 Oct 2022 13:29:31 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229652AbiJTU13 (ORCPT + 99 others); Thu, 20 Oct 2022 16:27:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60226 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229498AbiJTU11 (ORCPT ); Thu, 20 Oct 2022 16:27:27 -0400 Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id B1F0D1F9A15; Thu, 20 Oct 2022 13:27:22 -0700 (PDT) Received: from gate.crashing.org (localhost.localdomain [127.0.0.1]) by gate.crashing.org (8.14.1/8.14.1) with ESMTP id 29KKOtiA018980; Thu, 20 Oct 2022 15:24:55 -0500 Received: (from segher@localhost) by gate.crashing.org (8.14.1/8.14.1/Submit) id 29KKOs9Z018979; Thu, 20 Oct 2022 15:24:54 -0500 X-Authentication-Warning: gate.crashing.org: segher set sender to segher@kernel.crashing.org using -f Date: Thu, 20 Oct 2022 15:24:54 -0500 From: Segher Boessenkool To: Linus Torvalds Cc: "Jason A. Donenfeld" , linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-arch@vger.kernel.org, linux-toolchains@vger.kernel.org, Masahiro Yamada , Kees Cook , Andrew Morton , Andy Shevchenko , Greg Kroah-Hartman Subject: Re: [PATCH v2] kbuild: treat char as always unsigned Message-ID: <20221020202454.GV25951@gate.crashing.org> References: <20221019203034.3795710-1-Jason@zx2c4.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.3i X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_PASS, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Oct 19, 2022 at 04:56:03PM -0700, Linus Torvalds wrote: > I think the architectures with an unsigned 'char' are arm, powerpc and > s390, in all their variations (ie both 32- and 64-bit). xtensa and most MIPS configurations as well, fwiw. Segher