linux-kernel - Re: [RFC PATCH 5/6] implement per-cpu&per-domain state machine call

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Message-ID: <CACvQF50+Aafho4OLU8o+ybE3eVcXHQkti4tzu3N+c5XUd5zL+g@mail.gmail.com>
Date:	Tue, 6 Mar 2012 22:50:56 +0800
From:	Lai Jiangshan <eag0628@...il.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Lai Jiangshan <laijs@...fujitsu.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org, mingo@...e.hu, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...ymtl.ca,
	josh@...htriplett.org, niv@...ibm.com, tglx@...utronix.de,
	rostedt@...dmis.org, Valdis.Kletnieks@...edu, dhowells@...hat.com,
	eric.dumazet@...il.com, darren@...art.com, fweisbec@...il.com,
	patches@...aro.org
Subject: Re: [RFC PATCH 5/6] implement per-cpu&per-domain state machine call_srcu()

On Tue, Mar 6, 2012 at 7:39 PM, Peter Zijlstra <peterz@...radead.org> wrote:
> On Tue, 2012-03-06 at 17:57 +0800, Lai Jiangshan wrote:
>> +       int cpu = get_cpu();
>> +       struct srcu_cpu_struct *scp = per_cpu_ptr(sp->srcu_per_cpu, cpu)
>
> They invented get_cpu_ptr() for that..

Thanks.
And I'm sorry, these code is merged by two functions,
I forgot it when merging, I need to check it more.

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