Re: [PATCH] virtio_net: free transmit skbs in a timer

From: Avi Kivity
Date: Sun May 18 2008 - 02:40:48 EST

Rusty Russell wrote:
On Friday 16 May 2008 01:32:47 Avi Kivity wrote:
Mark McLoughlin wrote:
I think Rusty is speaking from the POV of the guest driver - i.e. that
virtio_net should never disable notifications on the xmit queue using

Sounds like you think agree, but that the host side should throttle the
rate of xmit notifications?

But performance is going to suck in the meantime, as currently our host doesn't do this.

That's what the feature bits are for.

Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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