From: Daniel Borkmann <daniel@iogearbox.net>
To: Sargun Dhillon <sargun@sargun.me>, netdev@vger.kernel.org
Cc: alexei.starovoitov@gmail.com, tj@kernel.org
Subject: Re: [PATCH net-next v5 2/3] bpf: Add bpf_current_task_under_cgroup helper
Date: Fri, 12 Aug 2016 18:01:56 +0200 [thread overview]
Message-ID: <57ADF2F4.9080309@iogearbox.net> (raw)
In-Reply-To: <20160812155650.GA12886@ircssh.c.rugged-nimbus-611.internal>
On 08/12/2016 05:56 PM, Sargun Dhillon wrote:
> This adds a bpf helper that's similar to the skb_in_cgroup helper to check
> whether the probe is currently executing in the context of a specific
> subset of the cgroupsv2 hierarchy. It does this based on membership test
> for a cgroup arraymap. It is invalid to call this in an interrupt, and
> it'll return an error. The helper is primarily to be used in debugging
> activities for containers, where you may have multiple programs running in
> a given top-level "container".
>
> Signed-off-by: Sargun Dhillon <sargun@sargun.me>
> Cc: Alexei Starovoitov <ast@kernel.org>
> Cc: Daniel Borkmann <daniel@iogearbox.net>
> Cc: Tejun Heo <tj@kernel.org>
> Acked-by: Tejun Heo <tj@kernel.org>
> Acked-by: Alexei Starovoitov <ast@kernel.org>
Looks good, thanks, Sargun!
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
prev parent reply other threads:[~2016-08-12 16:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-12 15:56 [PATCH net-next v5 2/3] bpf: Add bpf_current_task_under_cgroup helper Sargun Dhillon
2016-08-12 16:01 ` Daniel Borkmann [this message]
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