From mboxrd@z Thu Jan 1 00:00:00 1970 From: Scott Murray Date: Tue, 22 Jul 2003 14:10:55 +0000 Subject: Re: cpqphp and IOAPIC Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-hotplug@vger.kernel.org On Tue, 22 Jul 2003, Greg KH wrote: > On Mon, Jul 21, 2003 at 03:55:23PM -0700, Olivier Cremel wrote: > > It seems that cpqphp only works if the > > machine is using PIC mode due to > > the way cpqhp_set_irq() invokes the PCI BIOS. > > > > Is it on purpose ? How to use cpqphp > > on a machine using IOAPIC (SMP namely) ? > > Do you have such a machine? What are the errors that happen when you > try to add a new pci card? > > I've been curious at times about some of the irq assignment logic in > that driver, as it doesn't seem that some of the more complex conditions > are handled properly, but I haven't seen any failures in testing on the > hardware I have access to. I don't know about cpqhp (it's been a while since I looked at it), but I've had to do some hacking to get interrupt assignment working with CompactPCI system master boards that have IO-APICs. I'll probably float a patch out after OLS. > Oh, and there is a pci hotplug development mailing list, which is > probably much better place for this topic. I'm CC'ing it in this reply. Olivier, please prune linux-hotplug-devel from your replies. Scott PS: Greg, if I see you (or maybe Russell and/or Ivan K.) there, I wouldn't mind a little discussion on what the strategy should be for bus renumbering, as a lot of the new CPCI boards I'm seeing are going to need some form of it. -- Scott Murray SOMA Networks, Inc. Toronto, Ontario e-mail: scottm@somanetworks.com ------------------------------------------------------- This SF.net email is sponsored by: VM Ware With VMware you can run multiple operating systems on a single machine. WITHOUT REBOOTING! Mix Linux / Windows / Novell virtual machines at the same time. Free trial click here: http://www.vmware.com/wl/offer/345/0 _______________________________________________ Linux-hotplug-devel mailing list http://linux-hotplug.sourceforge.net Linux-hotplug-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-hotplug-devel