From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: To: Miles Bader Cc: Greg KH , "J.E.J. Bottomley" , Matthew Wilcox , "Adam J. Richter" , andmike@us.ibm.com, hch@lst.de, linux-kernel@vger.kernel.org, mochel@osdl.org, parisc-linux@lists.parisc-linux.org Subject: Re: [parisc-linux] Untested port of parisc_device to generic device interface In-Reply-To: Message from Miles Bader of "13 Nov 2002 17:02:39 +0900." References: <20021109060342.GA7798@kroah.com> <200211091533.gA9FXuW02017@localhost.localdomain> <20021113061310.GD2106@kroah.com> <20021113075223.GZ2106@kroah.com> Date: Wed, 13 Nov 2002 13:13:57 -0700 From: Grant Grundler Message-Id: <20021113201357.5302F4829@dsl2.external.hp.com> Sender: parisc-linux-admin@lists.parisc-linux.org Errors-To: parisc-linux-admin@lists.parisc-linux.org List-Help: List-Post: List-Subscribe: , List-Id: parisc-linux developers list List-Unsubscribe: , List-Archive: Miles Bader wrote: > I can't speak for `real machines,' but on my wierd embedded board, > pci_alloc_consistent allocates from a special area of memory (not > located at 0) that is the only shared memory between PCI devices and the > CPU. pci_alloc_consistent happens to fit this situation quite well, but > I don't think a bitmask is enough to express the situation. HP PARISC V-Class do that as well. The "consistent" memory lives on the PCI Bus Controller - not in host mem. Note that parisc-linux does not (yet) support V-class. grant