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From: David Miller <davem@davemloft.net>
To: ast@fb.com
Cc: daniel@iogearbox.net, qinteng@fb.com, netdev@vger.kernel.org,
	kernel-team@fb.com
Subject: Re: [PATCH net-next] bpf: map_get_next_key to return first key on NULL
Date: Tue, 25 Apr 2017 11:57:57 -0400 (EDT)	[thread overview]
Message-ID: <20170425.115757.702639212104220856.davem@davemloft.net> (raw)
In-Reply-To: <20170425020037.1114047-1-ast@fb.com>

From: Alexei Starovoitov <ast@fb.com>
Date: Mon, 24 Apr 2017 19:00:37 -0700

> From: Teng Qin <qinteng@fb.com>
> 
> When iterating through a map, we need to find a key that does not exist
> in the map so map_get_next_key will give us the first key of the map.
> This often requires a lot of guessing in production systems.
> 
> This patch makes map_get_next_key return the first key when the key
> pointer in the parameter is NULL.
> 
> Signed-off-by: Teng Qin <qinteng@fb.com>
> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
> Acked-by: Daniel Borkmann <daniel@iogearbox.net>

Applied, thanks Alexei.

      reply	other threads:[~2017-04-25 15:58 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-25  2:00 [PATCH net-next] bpf: map_get_next_key to return first key on NULL Alexei Starovoitov
2017-04-25 15:57 ` David Miller [this message]

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