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Date:	Thu, 04 Aug 2016 10:28:22 +0200
From:	Eric Dumazet <>
To:	zhuyj <>
Cc:	Sargun Dhillon <>,
	LKML <>,,,,
	netdev <>
Subject: Re: [RFC 2/4] bpf, security: Add Checmate

Please do not top post

On Thu, 2016-08-04 at 16:08 +0800, zhuyj wrote:
>  +void register_checmate_prog_ops(void);
> maybe it is extern void register_checmate_prog_ops(void);?
> +       preempt_disable();
> +       rcu_read_lock();
> IMHO, it is not necessary to use the above 2 since rcu_read_lock will
> call preempt_disable.

You might double check if this claim is true if CONFIG_PREEMPT_RCU=y

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