Messages in this thread | | | From | Rusty Russell <> | Subject | Re: [PATCH 0/3] virtio-net: inline header support | Date | Wed, 03 Oct 2012 16:40:06 +0930 |
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Rusty Russell <rusty@rustcorp.com.au> writes:
> "Michael S. Tsirkin" <mst@redhat.com> writes: > >> Thinking about Sasha's patches, we can reduce ring usage >> for virtio net small packets dramatically if we put >> virtio net header inline with the data. >> This can be done for free in case guest net stack allocated >> extra head room for the packet, and I don't see >> why would this have any downsides. > > I've been wanting to do this for the longest time... but... > >> Even though with my recent patches qemu >> no longer requires header to be the first s/g element,
Breaks for me; see why I hate bug features? Now we'd need another one...
qemu-system-i386: virtio: trying to map MMIO memory
Please try my patch.
Cheers, Rusty.
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