[PATCH RFC 0/4] vsock/virtio: optimizations to increase the throughput

Stefan Hajnoczi
Mon, 08 Apr 2019 09:44:16 -0000

On Mon, Apr 08, 2019 at 02:43:28PM +0800, Jason Wang
wrote:
> Another thing that may help is to implement sendpage(), which will greatly
> improve the performance.

I can't find documentation for ->sendpage().  Is the idea that you get a
struct page for the payload and can do zero-copy tx?  (And can userspace
still write to the page, invalidating checksums in the header?)

Stefan
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