Messages in this thread | | | Date | Thu, 20 Aug 2009 21:28:47 +0300 | From | "Michael S. Tsirkin" <> | Subject | Re: [PATCH 0/2] eventfd: new EFD_STATE flag |
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On Thu, Aug 20, 2009 at 09:06:51PM +0300, Avi Kivity wrote: > On 08/20/2009 08:55 PM, Michael S. Tsirkin wrote: >> >>> While we could argue about this my feeling is that we should drop this, >>> at least until we can quantify what benefit it has and whether there are >>> any Davide-acceptable alternatives. >>> >>> In the meanwhile, we can let vhost-net support edge-triggered interrupts >>> only, let qemu terminate those eventfds and convert then to >>> level-triggered interrupts (which it can then inject using the existing >>> ioctl). It will keep vhost-net and kvm simpler at the cost of some >>> performance penalty to guests using level interrupts. These suck anyway >>> so we'll point users at msi. >>> >> I thought the point was to move assigned devices out of KVM? >> > > Grr. Forgot about that. > > That's much more important.
Looks like we'll have do with a separate char device or something?
> -- > I have a truly marvellous patch that fixes the bug which this > signature is too narrow to contain.
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