netdev - Re: [PATCH net] bpf: add missing map_flags to bpf_map_show

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Message-Id: <20160325.113705.1506548943081346934.davem@davemloft.net>
Date:	Fri, 25 Mar 2016 11:37:05 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	daniel@...earbox.net
Cc:	alexei.starovoitov@...il.com, netdev@...r.kernel.org
Subject: Re: [PATCH net] bpf: add missing map_flags to bpf_map_show_fdinfo

From: Daniel Borkmann <daniel@...earbox.net>
Date: Fri, 25 Mar 2016 00:30:25 +0100

> Add map_flags attribute to bpf_map_show_fdinfo(), so that tools like
> tc can check for them when loading objects from a pinned entry, e.g.
> if user intent wrt allocation (BPF_F_NO_PREALLOC) is different to the
> pinned object, it can bail out. Follow-up to 6c9059817432 ("bpf:
> pre-allocate hash map elements"), so that tc can still support this
> with v4.6.
> 
> Signed-off-by: Daniel Borkmann <daniel@...earbox.net>
> Acked-by: Alexei Starovoitov <ast@...nel.org>

Applied, thanks Daniel.