Messages in this thread |  | | | Date | Thu, 22 Oct 2009 14:17:18 -0200 | | From | Marcelo Tosatti <> | | Subject | Re: [PATCH] virtio-pci: fix per-vq MSI-X request logic |
On Thu, Oct 22, 2009 at 03:06:06PM +0200, Michael S. Tsirkin wrote: > Commit f68d24082e22ccee3077d11aeb6dc5354f0ca7f1 > in 2.6.32-rc1 broke requesting IRQs for per-VQ MSI-X vectors: > - vector number was used instead of the vector itself > - we try to request an IRQ for VQ which does not > have a callback handler > > This is a regression that causes warnings in kernel log, > potentially lower performance as we need to scan vq list, > and might cause system failure if the interrupt > requested is in fact needed by another system. > > This was not noticed earlier because in most cases > we were falling back on shared interrupt for all vqs.
Works for me. Thanks Michael.
Tested-by: Marcelo Tosatti <mtosatti@redhat.com>
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