linux-kernel - Re: [PATCH] check_for_tasks: read_lock(tasklist

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Message-ID: <20150911102438.GA7579@linux.vnet.ibm.com>
Date:	Fri, 11 Sep 2015 15:54:38 +0530
From:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Kirill Tkhai <ktkhai@...allels.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] check_for_tasks: read_lock(tasklist_lock) doesn't need
 to disable irqs

* Oleg Nesterov <oleg@...hat.com> [2015-09-10 15:07:50]:

> check_for_tasks() doesn't need to disable irqs, recursive read_lock()
> from interrupt is fine.
> 
> While at it, s/do_each_thread/for_each_process_thread/.
> 
> Signed-off-by: Oleg Nesterov <oleg@...hat.com>

Looks good to me.

Reviewed-by: Srikar Dronamraju <srikar@...ux.vnet.ibm.com>

> ---
>  kernel/cpu.c |    8 ++++----
>  1 files changed, 4 insertions(+), 4 deletions(-)
> 

-- 
Thanks and Regards
Srikar Dronamraju

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