From: David Miller <davem@davemloft.net>
To: daniel@iogearbox.net
Cc: ast@fb.com, netdev@vger.kernel.org
Subject: Re: [PATCH net-next] bpf: make bpf_xdp_adjust_head support mandatory
Date: Mon, 24 Apr 2017 16:18:45 -0400 (EDT) [thread overview]
Message-ID: <20170424.161845.1467050507287280432.davem@davemloft.net> (raw)
In-Reply-To: <6e25ef44c5de02d1feb8b4cc8a2cf60adb4a596e.1493064530.git.daniel@iogearbox.net>
From: Daniel Borkmann <daniel@iogearbox.net>
Date: Mon, 24 Apr 2017 22:14:35 +0200
> Now that also the last in-tree user of the xdp_adjust_head bit has
> been removed, we can remove the flag from struct bpf_prog altogether.
>
> This, at the same time, also makes sure that any future driver for
> XDP comes with bpf_xdp_adjust_head() support right away.
>
> A rejection based on this flag would also mean that tail calls
> couldn't be used with such driver as per c2002f983767 ("bpf: fix
> checking xdp_adjust_head on tail calls") fix, thus lets not allow
> for it in the first place.
>
> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
> Acked-by: Alexei Starovoitov <ast@kernel.org>
Applied, thanks Daniel.
prev parent reply other threads:[~2017-04-24 20:18 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-24 20:14 [PATCH net-next] bpf: make bpf_xdp_adjust_head support mandatory Daniel Borkmann
2017-04-24 20:18 ` David Miller [this message]
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