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Date: Mon, 2 Dec 2019 10:29:38 -0500 From: "Michael S. Tsirkin" <mst@...hat.com> To: Jakub Kicinski <jakub.kicinski@...ronome.com> Cc: Prashant Bhole <prashantbhole.linux@...il.com>, "David S . Miller" <davem@...emloft.net>, Jason Wang <jasowang@...hat.com>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Jesper Dangaard Brouer <hawk@...nel.org>, John Fastabend <john.fastabend@...il.com>, Martin KaFai Lau <kafai@...com>, Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>, Andrii Nakryiko <andriin@...com>, netdev@...r.kernel.org, qemu-devel@...gnu.org, kvm@...r.kernel.org Subject: Re: [RFC net-next 00/18] virtio_net XDP offload On Wed, Nov 27, 2019 at 03:40:14PM -0800, Jakub Kicinski wrote: > > For better or worse that's how userspace is written. > > HW offload requires modifying the user space, too. The offload is not > transparent. Do you know that? It's true, offload of program itself isn't transparent. Adding a 3rd interface (software/hardware/host) isn't welcome though, IMHO. -- MST
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