From owner-svn-src-all@freebsd.org Sun Dec 4 21:45:10 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 26E23C67536; Sun, 4 Dec 2016 21:45:10 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from mail.baldwin.cx (bigwig.baldwin.cx [96.47.65.170]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 052871D6B; Sun, 4 Dec 2016 21:45:09 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from ralph.baldwin.cx (c-73-231-226-104.hsd1.ca.comcast.net [73.231.226.104]) by mail.baldwin.cx (Postfix) with ESMTPSA id AAC5F10AA28; Sun, 4 Dec 2016 16:45:00 -0500 (EST) From: John Baldwin To: Michal Meloun Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r309531 - head/sys/arm/include Date: Sun, 04 Dec 2016 13:43:54 -0800 Message-ID: <1605461.LLfnXX4YB2@ralph.baldwin.cx> User-Agent: KMail/4.14.10 (FreeBSD/11.0-PRERELEASE; KDE/4.14.10; amd64; ; ) In-Reply-To: <201612041527.uB4FRduc064051@repo.freebsd.org> References: <201612041527.uB4FRduc064051@repo.freebsd.org> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.4.3 (mail.baldwin.cx); Sun, 04 Dec 2016 16:45:00 -0500 (EST) X-Virus-Scanned: clamav-milter 0.99.2 at mail.baldwin.cx X-Virus-Status: Clean X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 04 Dec 2016 21:45:10 -0000 On Sunday, December 04, 2016 03:27:39 PM Michal Meloun wrote: > Author: mmel > Date: Sun Dec 4 15:27:39 2016 > New Revision: 309531 > URL: https://svnweb.freebsd.org/changeset/base/309531 > > Log: > Implement fake pmap_mapdev_attr() for ARMv6. > This function is referenced, but never called from DRM2 code. Also, > real behavior of pmap_mapdev_attr() in ARM world is unclear as we don't > have any additional attribute for a device memory type. You have VM_MEMATTR constants on ARM though. Some devices might want a WB mapping (e.g. for a prefetchable memory BAR) rather than UC. -- John Baldwin