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[23.128.96.18]) by mx.google.com with ESMTP id i12si5603117edr.277.2021.02.26.04.19.31; Fri, 26 Feb 2021 04:19:55 -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=@gmail.com header.s=20161025 header.b=o+CqHeDt; 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=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230472AbhBZMTC (ORCPT + 99 others); Fri, 26 Feb 2021 07:19:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51614 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230509AbhBZMSV (ORCPT ); Fri, 26 Feb 2021 07:18:21 -0500 Received: from mail-yb1-xb31.google.com (mail-yb1-xb31.google.com [IPv6:2607:f8b0:4864:20::b31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A9472C061574 for ; Fri, 26 Feb 2021 04:17:40 -0800 (PST) Received: by mail-yb1-xb31.google.com with SMTP id f4so8678938ybk.11 for ; Fri, 26 Feb 2021 04:17:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=HoZ68kY0XQwDeDCANByqTI4iwGN2Nd1i1e8s2bH1WW8=; b=o+CqHeDt5pmYVYJ/05gL59lL0bPbsrrN0T3nU8UfUEImdcfOZbT9CTSAoGNLsXfrDm 9T5KbmIMi6CQQ+A99OplJ6mVt00E9vOVvAmeNeWx5kJnTAEOIVK/pGTCtrSRD8hiwH1I Bp0eCFtjYFF6IVdoSeErqJ0Qd1qSsVxaO9ZbKSmnfdE0Zu8XKIGPzKrol7Zur0H0zaCS cY3VHjRgTpBu4yl7opiNzN+ZgsavaUrOk137bW2tfi2OKZP3au1f6SA5WW2abm1SfeRE tLjFTbRxD0MirOkxLYtKJNTYOQVX/SyBU2DFtVgdYMmqFDD/rmiF6ZpkgtxQ13RxU3oi mmzw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=HoZ68kY0XQwDeDCANByqTI4iwGN2Nd1i1e8s2bH1WW8=; b=Zn6d1HDZv/GgdBdplOM3eA6WLfODfwAcSPWKw9fIVZutnDGSWefknHIJXpxdxeyc+l 0L5uy4jBv7d7ZDNUVnEBytkbsC62HIc+amziBKAxrjh2iwieaAeH+npzIYRk8BShqiTE IZfdtNb2AYj3BeRXnxfBENR2Yx9WLffusphaYWTe+47P0mLz4PSHYoaDlxzopR1xnntE leWCPCd6B/jZxOIvkgb02WovxPc5bqZvaxbeos6+Ea1UTVkIB/6Kk5yE5h5hl31hjnci v5a2p2jsuvaR4CAtRvgNgwajp5SFC6SCGks1Y8RUbjeyuyvwVeBk+UyQFL8jtsvOMe+d hwuA== X-Gm-Message-State: AOAM531z/FZsyupdxHk7SGL7YrHnE1jCPnphzzUxvZU/MBZTVnYoIfeb 7AKUe7KhrPAFVaiva77Z3JCDPW1vEJNq3Ruy0rE= X-Received: by 2002:a25:b91:: with SMTP id 139mr4028360ybl.115.1614341859620; Fri, 26 Feb 2021 04:17:39 -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: Miguel Ojeda Date: Fri, 26 Feb 2021 13:17:28 +0100 Message-ID: Subject: Re: [PATCH] sparse: can do constant folding of __builtin_bswap*() To: Luc Van Oostenryck Cc: Arnd Bergmann , Andrew Morton , linux-kernel 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: Miguel Ojeda Cheers, Miguel