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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_NEOMUTT 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 4FCEFC43387 for ; Tue, 15 Jan 2019 10:24:46 +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 1EE9420656 for ; Tue, 15 Jan 2019 10:24:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="N/INV8Fu"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b="lMWbPaxj" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1EE9420656 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=armlinux.org.uk 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=0L/h50T2zlO/XPLAREM8BgisHGcoMEIPWGaZZUjuAXA=; b=N/INV8FuLNrIr2 QJlfTJacAcz2WvJQsyH5T4uz/WbRMdQfwiZZBs9SfNRDOiEBNdWfF0/D+ZXKx38Z6ooHqastHU0AB XwY4npGjtRkEUkUp7pqw1CC7kY5cjWK+jn4/uSjWxdIswQzHnofI7DYHjWoPvX45Wc23se8lC7DKt A8zi9i+bzo30fl9D+44Oqk0satSzKuBWTgWWnaj5qHN6IecRZCEeo3A2hiMqU14SDphxQxZfWEC1+ MQkq5QwIa6YvVLg3suT3pXaV0g9Z9SuHO5kdcpbq4+mD1KzNQedB52gf7w1dWSvRlTedeKzTCdcgP 5PzEz9Y+sCdYE3IKkzsA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gjLti-000513-Sa; Tue, 15 Jan 2019 10:24:42 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:3201:214:fdff:fe10:1be6]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gjLtf-00050W-9j for linux-arm-kernel@lists.infradead.org; Tue, 15 Jan 2019 10:24:41 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2014; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=qxmTCWGyazgOFNppuTpN2hUC9+AZKbeztXtlZm5mSew=; b=lMWbPaxjtwd4pdOXjvHridAKp 8rMgIMCX/7aud8nc2a3terCDqb6Lz42vLKM9ISS2p0o20yHgVNzcjVo9WLzSnAuCuKpX6SYvm2BPQ Gygvn6DvilXAPk5snJQgsgaXub5bRw1YBf704Ff2f6s2+L2p00bHzlQ6RITKaGov2Kw50=; Received: from e5254000004ec.dyn.armlinux.org.uk ([2002:4e20:1eda:1:5054:ff:fe00:4ec]:35732 helo=shell.armlinux.org.uk) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1gjLtV-00053O-PE; Tue, 15 Jan 2019 10:24:29 +0000 Received: from linux by shell.armlinux.org.uk with local (Exim 4.89) (envelope-from ) id 1gjLtV-0004qw-66; Tue, 15 Jan 2019 10:24:29 +0000 Date: Tue, 15 Jan 2019 10:24:29 +0000 From: Russell King - ARM Linux admin To: Vincent Whitchurch Subject: Re: [PATCH] ARM: Implement pgprot_device() Message-ID: <20190115102428.yji6viia4lfhecqz@e5254000004ec.dyn.armlinux.org.uk> References: <20190114135638.13520-1-vincent.whitchurch@axis.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190114135638.13520-1-vincent.whitchurch@axis.com> User-Agent: NeoMutt/20170113 (1.7.2) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190115_022439_489798_7CE154AA X-CRM114-Status: GOOD ( 11.95 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Vincent Whitchurch , 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 14, 2019 at 02:56:38PM +0100, Vincent Whitchurch wrote: > This is used when mmapping the PCI resource* files in sys. Because ARM > currently lacks an implementation of pgprot_device(), it falls back to > pgprot_uncached() (Strongly Ordered), but we should be able to use > Device memory instead. > > Doing this speeds up large writes to the resource files by about 40% on > one of my systems. It also ensures that mmaps on these resources use > the same memory type as ioremap(). > > Signed-off-by: Vincent Whitchurch Please drop this into the patch system, thanks. (Please also note that stuff here has been undergoing a progressive major reorganisation and renovation, so I hope that still works! Note that the website now supports https as of last night!) -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up According to speedtest.net: 11.9Mbps down 500kbps up _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel