Re: [PATCH] vhost/net: Fix receive queue test in busy poll

["Björn Töpel" <bjorn@kernel.org>]

raoxu <raoxu@uniontech.com> writes:

> From: Xu Rao <raoxu@uniontech.com>
>
> sock_has_rx_data() returns a positive result when receive data is
> available. Socket implementations with a peek_len() callback follow
> that convention, but the fallback for sockets without one returns
> skb_queue_empty(), which has the opposite meaning.
>
> This makes busy polling stop when a raw packet socket has no queued data
> and fail to recognize queued data through the fallback path. Return the
> negated queue-empty result so the fallback matches the callback and its
> callers.
>
> Signed-off-by: Xu Rao <raoxu@uniontech.com>

This fix is valid, but you need to carry a Fixes: tag. You should also
state what netdev tree you're targeting. Please see
Documentation/process/maintainer-netdev.rst

Could the changelog also state how the bug was found and confirmed, and
how the fix was tested?

Björn