linux-kernel - Re: [PATCH 1/3] net: use this_cpu_xxx replace percpu

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Message-Id: <20120111.010331.2039534822545257440.davem@davemloft.net>
Date:	Wed, 11 Jan 2012 01:03:31 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	alex.shi@...el.com
Cc:	kaber@...sh.net, eric.dumazet@...il.com, cl@...two.org,
	tj@...nel.org, linux-kernel@...r.kernel.org, ying.huang@...el.com,
	tglx@...utronix.de, mingo@...hat.com, avi@...hat.com,
	akpm@...ux-foundation.org, a.p.zijlstra@...llo.nl,
	kvm@...r.kernel.org, jeremy@...source.com
Subject: Re: [PATCH 1/3] net: use this_cpu_xxx replace percpu_xxx funcs

From: "Alex,Shi" <alex.shi@...el.com>
Date: Wed, 11 Jan 2012 16:45:33 +0800

>> >>>> percpu_xxx funcs are duplicated with this_cpu_xxx funcs, so replace them
>> >>>> for further code clean up.
>> >>>>
>> >>>> And in preempt safe scenario, __this_cpu_xxx funcs has a bit better
>> >>>> performance since __this_cpu_xxx has no redundant preempt_disable()
>> >>>>
>> >>>> Signed-off-by: Alex Shi <alex.shi@...el.com>
>> >>>> ---
>> >>>>  net/netfilter/xt_TEE.c |   12 ++++++------
>> >>>>  net/socket.c           |    4 ++--
>> >>>>  2 files changed, 8 insertions(+), 8 deletions(-)
>> >>>
>> >>> Acked-by: Eric Dumazet <eric.dumazet@...il.com>
>> >>>
>> >>> Thanks !
>> >>
>> >> Anyone like to pick up this patch? or more comments for this? 
>> > 
>> > Kaber, David: 
>> > I appreciate for your any comments on this. Could you like do me a
>> > favor? 
>> 
>> No objections from me.
> 
> rend this patch for 3.2.0 kernel with Eric's Ack. 
> 
> David, do you have any concerns for this patch?  I will very appreciate
> if it can met 3.3 open window. 

Please just submit it directly with the other this_cpu() patches:

Acked-by: David S. Miller <davem@...emloft.net>
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