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Date: Wed, 11 Jul 2018 22:35:21 +0200 From: Daniel Borkmann <daniel@...earbox.net> To: Mathieu Xhonneux <m.xhonneux@...il.com>, netdev@...r.kernel.org Cc: alexei.starovoitov@...il.com Subject: Re: [PATCH bpf-next] bpf: better availability probing for seg6 helpers On 07/10/2018 09:20 PM, Daniel Borkmann wrote: > On 07/10/2018 06:54 PM, Mathieu Xhonneux wrote: >> bpf_lwt_seg6_* helpers require CONFIG_IPV6_SEG6_BPF, and currently >> return -EOPNOTSUPP to indicate unavailability. This patch forces the >> BPF verifier to reject programs using these helpers when >> !CONFIG_IPV6_SEG6_BPF, allowing users to more easily probe if they are >> available or not. >> >> Signed-off-by: Mathieu Xhonneux <m.xhonneux@...il.com> > > Note, just fyi, this would need to go to bpf tree (and not bpf-next) as > otherwise there's a change in behavior. Applied, thanks Mathieu!
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