On Sun, 2007-02-25 at 07:17 +0200, Avi Kivity wrote: > Arjan van de Ven wrote: > >> The easiest thing I can think of is to have the PV disk driver show up > >> as an actual PCI device and to use a PCI option rom to hijack the > >> appropriate interrupt. > >> > > > > yeah that's a good plan. Being a PCI device also helps with the OS > > userspace knowing which module to load; even if the device itself never > > gets accessed. > > > > > > A problem with pci, at least if you use the pci interrupts, is that your > interrupt might be shared with another device. I guess a solution is > not to use pci interrupts, but then we need some mechanism to allocate > interrupts.
shared interrupts aren't a big deal in Linux. at all. In fact, sharing all PV interrupts to one number is a performance enhancement ;) > -- if you want to mail me at work (you don't), use arjan (at) linux.intel.com Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ kvm-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/kvm-devel
