linux-kernel - Re: [tip:locking/arch] locking,arch,avr32: Fold atomic

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Date:	Thu, 14 Aug 2014 21:32:18 +0200
From:	Hans-Christian Egtvedt <egtvedt@...fundet.no>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	mingo@...nel.org, hpa@...or.com, linux-kernel@...r.kernel.org,
	torvalds@...ux-foundation.org, paulmck@...ux.vnet.ibm.com,
	hskinnemoen@...il.com, tglx@...utronix.de
Subject: Re: [tip:locking/arch] locking,arch,avr32: Fold atomic_ops

Around Thu 14 Aug 2014 21:30:14 +0200 or thereabout, Peter Zijlstra wrote:
> On Thu, Aug 14, 2014 at 09:27:20PM +0200, Hans-Christian Egtvedt wrote:
>> Around Thu 14 Aug 2014 10:19:44 -0700 or thereabout, tip-bot for Peter Zijlstra wrote:
>> > Commit-ID:  d325209b6000dcd13404ee946d2292e15a56718c
>> > Gitweb:     http://git.kernel.org/tip/d325209b6000dcd13404ee946d2292e15a56718c
>> > Author:     Peter Zijlstra <peterz@...radead.org>
>> > AuthorDate: Wed, 9 Apr 2014 21:51:29 +0200
>> > Committer:  Ingo Molnar <mingo@...nel.org>
>> > CommitDate: Thu, 14 Aug 2014 12:48:05 +0200
>> > 
>> > locking,arch,avr32: Fold atomic_ops
>> > 
>> > Many of the atomic op implementations are the same except for one
>> > instruction; fold the lot into a few CPP macros and reduce LoC.
>> > 
>> > This also prepares for easy addition of new ops.
>> > 
>> > Requires the asm_op because of eor.
>> > 
>> > AVR32 is a bit special in that its ADD/SUB instructions are not
>> > symmetric. Its SUB instruction allows for an 21bit immediate.
>> 
>> Fantastic, looks great.
>> 
>> Do you have any plans for merge route? I'll happily do it through the avr32
>> tree, but if it is part of another series, it makes most sense to do it
>> there.
> 
> I was thinking to keep the lot together in tip/locking/arch.
> 
> Once that lands, I'll need to clean up and send pass 3, which
> _hopefully_ will be the last, although I had vague plans for a 4th as
> well.

OK, you have my ack, so go ahead and merge when you feel fit.

-- 
mvh
Hans-Christian Egtvedt
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