Messages in this thread | | | Date | Thu, 19 Jul 2007 16:38:09 +0300 | From | Avi Kivity <> | Subject | Re: [kvm-devel] [RFC] Deferred interrupt handling. |
| |
Lennart Sorensen wrote: > On Thu, Jul 19, 2007 at 12:23:24PM +0300, Avi Kivity wrote: > >> No, it means disallowing pci devices that use shared irqs, and allowing >> pci devices that use non-shared irqs. >> > > Most machiens I see today have almost no chance of having PCI devices > without shared IRQs. This probably means any implementation will only > work on a small set of machines with very specific setup in terms of > which PCI slots they install cards in, and only as long as you don't > allow any type of hotplugging of devices (or ever changing hardware at > all). May not be worth implementing if it has such a limited use case. > The MSI setup on the other hand does sound like it might have potential > for working in general. > >
Looking at two random servers here and a desktop, interrupts are unshared except for usb. A laptop was not so lucky. So "no chance" is a bit extreme.
I agree it's far from optimal, but it is less limited than you imply.
-- error compiling committee.c: too many arguments to function
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |