Re: [libvirt] [PATCH] qemu: support event_idx parameter for virtio disk and net devices

2011-08-16 Thread Laine Stump
On 08/15/2011 09:21 AM, Daniel Veillard wrote: On Sun, Aug 14, 2011 at 03:43:52AM -0400, Laine Stump wrote: In some versions of qemu, both virtio-blk-pci and virtio-net-pci devices can have an event_idx setting that determines some details of event processing. When it is enabled, it "reduces the

Re: [libvirt] [PATCH] qemu: support event_idx parameter for virtio disk and net devices

2011-08-15 Thread Daniel Veillard
On Sun, Aug 14, 2011 at 03:43:52AM -0400, Laine Stump wrote: > In some versions of qemu, both virtio-blk-pci and virtio-net-pci > devices can have an event_idx setting that determines some details of > event processing. When it is enabled, it "reduces the number of > interrupts and exits for the gu

[libvirt] [PATCH] qemu: support event_idx parameter for virtio disk and net devices

2011-08-14 Thread Laine Stump
In some versions of qemu, both virtio-blk-pci and virtio-net-pci devices can have an event_idx setting that determines some details of event processing. When it is enabled, it "reduces the number of interrupts and exits for the guest". qemu will automatically enable this feature when it is availabl