Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp1106753pxb; Fri, 26 Feb 2021 02:43:30 -0800 (PST) X-Google-Smtp-Source: ABdhPJxjKB/x2iuMHAFWNpKHHbO2zMySgW+1xB1yuvW6UmBUJlhGdElvihAjp9lpNRnu+Km0eC+6 X-Received: by 2002:a17:906:719b:: with SMTP id h27mr2263789ejk.123.1614336210527; Fri, 26 Feb 2021 02:43:30 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1614336210; cv=none; d=google.com; s=arc-20160816; b=rC/JcPiu1jypnZjM/LDMechmSzuHnc4npv2H0qGhi7KrdpxtdIBK0P37cVT4layvOq JnhAXGozZnmh4JcGOem+0+ynC2xp2os/CPUWCGxOch2FCPVHpH7/u47s9EMc+uXpyvkK 88KGkrk0AeBHVOvJgugxVLokOyDR+s4Bpk4eEJ0BUI6GDynWiKNT/iImKuvNKmYwoEkp EpcFTKhZDHK+RmWRIdOdYQpSm6b+r71YpUL9yHkJdsJ03/8JHTC/wJ4wY4pKoPHnxX66 BwwewmbEPTJTCSP+ymfXTs5VJO/3tR/0+o9rFHLy8rOGv4b2x2b1f+tPoBVSTOqCyIyq xS9Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:subject:message-id:date:from:in-reply-to :references:mime-version:dkim-signature; bh=sYJ82XkX6uFJ+iJIFDN5aR1JbVOg/WJlNAEEYcCgjMA=; b=eau8iYOSdjTdAS6iqvsRIWTl3oo0zYit4g5ZJVdklU0i4WLqplv6LDMqF9plLYnXVm sh7MIURlIOuNZdA3xLIwEF3SfkjwGxrH9y/Gi9vjAMz1yrTG8hiU3L62+ndM2TuSrdoT 3DfXtVFUMsjQqNQh/d0/JYIFHRnFmKBYi0llG0PhI2F1jFKT0Qrk59JIYqD7AnEtNmpc Jh7ZuSzxcioQBnpZbjOCGSg3mlf6iESrze4w33U4T/jVBP7MgyCPwxEdfrwFBivLHYdm wfvt627Y418ZpthYSyahn1oA5e1VxqCvcuWVes+ztUrLRgsyQNF6fBs3r/EeRGURU0yM TwIw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=n6onfYU9; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id z1si5765717ejm.289.2021.02.26.02.43.07; Fri, 26 Feb 2021 02:43:30 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=n6onfYU9; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231142AbhBZKk1 (ORCPT + 99 others); Fri, 26 Feb 2021 05:40:27 -0500 Received: from mail.kernel.org ([198.145.29.99]:50582 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231153AbhBZKjo (ORCPT ); Fri, 26 Feb 2021 05:39:44 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 871D464EF3 for ; Fri, 26 Feb 2021 10:39:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1614335943; bh=sYJ82XkX6uFJ+iJIFDN5aR1JbVOg/WJlNAEEYcCgjMA=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=n6onfYU9vCg57SaCDOPi3yFuU65Ht42R5kK7rRW/O939b+dO8zjwQRho5ER+4xsOA U8okrD3GwZozb5tT9cWYpZm2Mt7tUb14NF1XGYfXEr6WlCiiPlVttaofa4Y/CCIXmP 6qUbxX6XCoGCF1hnCwEa1rU8wu2uV1OSplysdUEau9YksP4q8quRnxPJy4ZQ9Nikjc CnUr14pARyMTa73K0HRqsSfdv0fyOYBpeJu9q3tlV1GS+biaZ6qIf0C3z8+MQLF4jT wTm0Eb/ns+0+V291Y7e2Fpta5942w8T2MFqZoiu5SWUQwGot8R96zZHiFvpLeLv0sZ YoR8CoOJnHN4g== Received: by mail-oi1-f169.google.com with SMTP id j1so9289227oiw.3 for ; Fri, 26 Feb 2021 02:39:03 -0800 (PST) X-Gm-Message-State: AOAM533tPBoIh4ffkbje3wiNJ1ZbvaLozgtLzp5g50zlBVYDvjQSqf72 Cxeh6RsvA9tfDsomE66qeOcxg9x0FvgT12ZLq5I= X-Received: by 2002:aca:4a47:: with SMTP id x68mr1478742oia.67.1614335942813; Fri, 26 Feb 2021 02:39:02 -0800 (PST) MIME-Version: 1.0 References: <20210226092236.99369-1-luc.vanoostenryck@gmail.com> In-Reply-To: <20210226092236.99369-1-luc.vanoostenryck@gmail.com> From: Arnd Bergmann Date: Fri, 26 Feb 2021 11:38:46 +0100 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] sparse: can do constant folding of __builtin_bswap*() To: Luc Van Oostenryck Cc: Arnd Bergmann , Miguel Ojeda , Andrew Morton , "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 26, 2021 at 10:22 AM Luc Van Oostenryck wrote: > > Sparse can do constant folding of __builtin_bswap*() since 2017. > Also, a much recent version of Sparse is needed anyway, see > commit 6ec4476ac825 ("Raise gcc version requirement to 4.9"). > > So, remove the comment about sparse not being yet able to constant > fold __builtin_bswap*() and remove the corresponding test of __CHECKER__. > > Signed-off-by: Luc Van Oostenryck Acked-by: Arnd Bergmann