On Thu, Jan 05, 2006 at 06:10:54PM +0000, Paul Brook wrote: > On Thursday 05 January 2006 17:40, Mark Williamson wrote: > > > - IRQ sharing. Sharing host IRQs between native and virtualized devices > > > is hard because the host needs to ack the interrupt in the IRQ handler, > > > but doesn't really know how to do that until after it's run the guest to > > > see what that does. > > > > Could maybe have the (inevitable) kernel portion of the code grab the > > interrupt, and not ack it until userspace does an ioctl on a special file > > (or something like that?). There are patches floating around for userspace > > IRQ handling, so I guess that could work. > > This still requires cooperation from both sides (ie. both the host and guest > drivers). >
This would be a lot easier if linux supported user-space device drivers.. and I believe work is being done in that area. -- Infinite complexity begets infinite beauty. Infinite precision begets infinite perfection. _______________________________________________ Qemu-devel mailing list Qemu-devel@nongnu.org http://lists.nongnu.org/mailman/listinfo/qemu-devel
