From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [net-next 1/1] samples: bpf: Refactor test_cgrp2_attach -- use
 getopt, and add mode
Date: Wed, 30 Nov 2016 10:29:59 -0500 (EST)
Message-ID: <20161130.102959.1171017574583467201.davem@davemloft.net>
References: <20161128225240.GA8761@ircssh.c.rugged-nimbus-611.internal>
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Cc: netdev@vger.kernel.org, daniel@zonque.org, ast@fb.com
To: sargun@sargun.me
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From: Sargun Dhillon <sargun@sargun.me>
Date: Mon, 28 Nov 2016 14:52:42 -0800

> This patch modifies test_cgrp2_attach to use getopt so we can use standard
> command line parsing.
> 
> It also adds an option to run the program in detach only mode. This does
> not attach a new filter at the cgroup, but only runs the detach command.
> 
> Lastly, it changes the attach code to not detach and then attach. It relies
> on the 'hotswap' behaviour of CGroup BPF programs to be able to change
> in-place. If detach-then-attach behaviour needs to be tested, the example
> can be run in detach only mode prior to attachment.
> 
> Signed-off-by: Sargun Dhillon <sargun@sargun.me>

Applied, thanks.