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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS 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 45D4BC10F27 for ; Mon, 9 Mar 2020 18:09:46 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 10E1A222C3 for ; Mon, 9 Mar 2020 18:09:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="UG5OZRdi" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 10E1A222C3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=xtsbGMduoK+s25lOnl4DLI4vV2VxHsZXJ1VPkeWnAgg=; b=UG5OZRdiGNx3Mb m9/CoHe9GU9M1IqC2XjgHmKRwE3rXwTLanP2fCBcKmJhwVV5a4WsfyKZMACIN8oZR1j6zLrL4dK3W 7v84QtS+GFObzVucMqwLNP5dlME1ic3Goj+3Ap5MAQaQESO3Rmeo1MPBRPxpMwOn8foabO6Z+560l sRT3Q+QHnrslpIRP0STXGwZRH/0QqWhG3Y9MSxC9mKJ2erRZHobgIhbaKludyp6GV7+fPHn3tBNLG HexlGlyfvXIsXVoglE5u9lMPBXyb4lo8SmiArwVPuS4pYMeJF0xUcZ5wcIlwzq61Edg2hkbsg4rbY 6hwlw6issSU2kgeAKHtQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jBMqW-0005nX-6m; Mon, 09 Mar 2020 18:09:44 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jBMqQ-0005dO-7z for linux-arm-kernel@lists.infradead.org; Mon, 09 Mar 2020 18:09:42 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id E61B51FB; Mon, 9 Mar 2020 11:09:29 -0700 (PDT) Received: from arrakis.emea.arm.com (arrakis.cambridge.arm.com [10.1.196.71]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 5CE883F67D; Mon, 9 Mar 2020 11:09:29 -0700 (PDT) Date: Mon, 9 Mar 2020 18:09:27 +0000 From: Catalin Marinas To: Robin Murphy Subject: Re: [PATCH] arm64: csum: Optimise IPv6 header checksum Message-ID: <20200309180927.GF4124965@arrakis.emea.arm.com> References: <3a723a4b08938154c37febe2504f029c4480e53c.1579546194.git.robin.murphy@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <3a723a4b08938154c37febe2504f029c4480e53c.1579546194.git.robin.murphy@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200309_110938_398570_E33FB16E X-CRM114-Status: UNSURE ( 9.09 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: will@kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Jan 20, 2020 at 06:52:29PM +0000, Robin Murphy wrote: > Throwing our __uint128_t idioms at csum_ipv6_magic() makes it > about 1.3x-2x faster across a range of microarchitecture/compiler > combinations. Not much in absolute terms, but every little helps. > > Signed-off-by: Robin Murphy Queued for 5.7. Thanks. -- Catalin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel