Path: csiph.com!goblin3!goblin.stu.neva.ru!panix!usenet.stanford.edu!not-for-mail From: Samuel Thibault Newsgroups: gnu.hurd.bug Subject: Re: Implement paging on the pci arbiter Date: Wed, 26 Aug 2020 17:01:42 +0200 Organization: I am not organized Lines: 20 Approved: bug-hurd@gnu.org Message-ID: References: <67702aaa-af63-8013-3760-c5d649b7c548@mailfence.com> <20200826150142.5ngbrjh2b54h2kii@function> NNTP-Posting-Host: lists.gnu.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Trace: usenet.stanford.edu 1598454110 27402 209.51.188.17 (26 Aug 2020 15:01:50 GMT) X-Complaints-To: action@cs.stanford.edu Cc: bug-hurd@gnu.org To: jlledom@member.fsf.org Envelope-to: bug-hurd@gnu.org X-Virus-Scanned: Debian amavisd-new at aquilenet.fr Mail-Followup-To: jlledom@member.fsf.org, bug-hurd@gnu.org Content-Disposition: inline In-Reply-To: <67702aaa-af63-8013-3760-c5d649b7c548@mailfence.com> User-Agent: NeoMutt/20170609 (1.8.3) Received-SPF: softfail client-ip=185.233.100.1; envelope-from=samuel.thibault@gnu.org; helo=hera.aquilenet.fr X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/26 11:01:45 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -11 X-Spam_score: -1.2 X-Spam_bar: - X-Spam_report: (-1.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_MSPIKE_BL=0.001, RCVD_IN_MSPIKE_L3=0.001, SPF_HELO_PASS=-0.001, SPF_SOFTFAIL=0.665 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: bug-hurd@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Bug reports for the GNU Hurd List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Mailman-Original-Message-ID: <20200826150142.5ngbrjh2b54h2kii@function> X-Mailman-Original-References: <67702aaa-af63-8013-3760-c5d649b7c548@mailfence.com> Xref: csiph.com gnu.hurd.bug:12068 Hello, Joan Lledó, le mer. 26 août 2020 10:24:49 +0200, a ecrit: > I'm doing a research on how to allow arbiter clients to map bar regions > into their spaces. It seems to me the approach should be: > > 1.- Make the arbiter implement paging > 2.- Expect clients to mmap() the region files the arbiter generates > > Sounds that correct for you? > > I'm a bit confused with libpager, I'm unsure if libpager will be useful actually, since all you need is to pass on a memory object clamped to the target physical memory. See gnumach's support for proxy memory object, which possibly is just enough. Samuel