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Message-ID: <YbB6wpKO/0icFx9b@unreal>
Date: Wed, 8 Dec 2021 11:28:34 +0200
From: Leon Romanovsky <leon@...nel.org>
To: Leo Yan <leo.yan@...aro.org>
Cc: "David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Mathieu Poirier <mathieu.poirier@...aro.org>,
Suzuki K Poulose <suzuki.poulose@....com>,
Mike Leach <mike.leach@...aro.org>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jan Harkes <jaharkes@...cmu.edu>, coda@...cmu.edu,
Paul Moore <paul@...l-moore.com>,
Eric Paris <eparis@...hat.com>,
Balbir Singh <bsingharora@...il.com>, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org, coresight@...ts.linaro.org,
linux-arm-kernel@...ts.infradead.org, codalist@...a.cs.cmu.edu,
linux-audit@...hat.com
Subject: Re: [PATCH v2 1/7] pid: Introduce helper task_is_in_init_pid_ns()
On Wed, Dec 08, 2021 at 04:33:14PM +0800, Leo Yan wrote:
> Currently the kernel uses open code in multiple places to check if a
> task is in the root PID namespace with the kind of format:
>
> if (task_active_pid_ns(current) == &init_pid_ns)
> do_something();
>
> This patch creates a new helper function, task_is_in_init_pid_ns(), it
> returns true if a passed task is in the root PID namespace, otherwise
> returns false. So it will be used to replace open codes.
>
> Suggested-by: Suzuki K Poulose <suzuki.poulose@....com>
> Signed-off-by: Leo Yan <leo.yan@...aro.org>
> ---
> include/linux/pid_namespace.h | 5 +++++
> 1 file changed, 5 insertions(+)
>
Thanks,
Reviewed-by: Leon Romanovsky <leonro@...dia.com>
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