linux-kernel - Re: [PATCH 3/3] arm64: include: asm: atomic.h: use 'unsigned int' and 'atomic_t' instead of 'unsigned long' for atomic_clear

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Message-ID: <20131011104419.GE14732@mudshark.cambridge.arm.com>
Date:	Fri, 11 Oct 2013 11:44:20 +0100
From:	Will Deacon <will.deacon@....com>
To:	Chen Gang <gang.chen@...anux.com>
Cc:	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Catalin Marinas <Catalin.Marinas@....com>,
	"linux390@...ibm.com" <linux390@...ibm.com>,
	"linux-s390@...r.kernel.org" <linux-s390@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/3] arm64: include: asm: atomic.h: use 'unsigned int'
 and 'atomic_t' instead of 'unsigned long' for atomic_clear_mask()

On Fri, Oct 11, 2013 at 02:18:26AM +0100, Chen Gang wrote:
> On 10/10/2013 10:23 PM, Will Deacon wrote:
> > On Thu, Oct 10, 2013 at 12:03:52PM +0100, Chen Gang wrote:
> >> BTW: do arm64 need atomic_clear_mask()?
> > 
> > No. Neither ARM nor arm64 need this function.
> 
> OK, thank you for your confirmation.
> 
> Hmm... can we remove atomic_clear_mask() from ARM and arm64? (in my
> opinion, if not need, better to remove it).

Yes!

I mentioned this a few times already...

Will
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