Re: [PATCHv4 2/2] vhost_net: a kernel-level virtio server

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Aug 25, 2009 at 04:16:34PM +0300, Michael S. Tsirkin wrote:
> > > +	/* If they don't want an interrupt, don't send one, unless empty. */
> > > +	if ((flags & VRING_AVAIL_F_NO_INTERRUPT) && vq->inflight)
> > > +		return;
> > 
> > And I wouldn't support notify on empty at all, TBH.
> 
> If I don't, virtio net in guest uses a timer, which might be expensive.
> Will need to check what this does.
> 
> >  It should
> > definitely be conditional on the guest accepting the NOTIFY_ON_EMPTY
> > feature.

lguest does not do it this way though, do it?
_______________________________________________
Virtualization mailing list
Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linux-foundation.org/mailman/listinfo/virtualization

[Index of Archives]     [KVM Development]     [Libvirt Development]     [Libvirt Users]     [CentOS Virtualization]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [Kernel Newbies]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux