linux-kernel - Re: [PATCH] arch: asm-geniric: for atomic_set_mask() 1st param, use 'unsigned int' instead of 'unsigned long'

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Date:	Sat, 08 Jun 2013 16:37:30 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
CC:	Mike Frysinger <vapier@...too.org>,
	Hirokazu Takata <takata@...ux-m32r.org>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Arnd Bergmann <arnd@...db.de>,
	realmz paranoid <realmz6@...il.com>, linux390@...ibm.com,
	"uclinux-dist-devel@...ckfin.uclinux.org" 
	<uclinux-dist-devel@...ckfin.uclinux.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-m32r@...linux-m32r.org, linux-m32r-ja@...linux-m32r.org,
	linux-s390@...r.kernel.org, Linux-Arch <linux-arch@...r.kernel.org>
Subject: Re: [PATCH] arch: asm-geniric: for atomic_set_mask() 1st param, use
 'unsigned int' instead of 'unsigned long'

On 06/08/2013 04:31 PM, Geert Uytterhoeven wrote:
> Haven't done a real review, but my eye fell on it:
> 

Thank you for your review, firstly.

> On Sat, Jun 8, 2013 at 9:50 AM, Chen Gang <gang.chen@...anux.com> wrote:
>> > diff --git a/arch/m32r/include/asm/atomic.h b/arch/m32r/include/asm/atomic.h
>> > index 0d81697..233c743 100644
>> > --- a/arch/m32r/include/asm/atomic.h
>> > +++ b/arch/m32r/include/asm/atomic.h
>> > @@ -264,7 +264,7 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
>> >  }
>> >
>> >
>> > -static __inline__ void atomic_clear_mask(unsigned long  mask, atomic_t *addr)
>> > +static __inline__ void atomic_clear_mask(unsigned int mask, atomic_t *addr)
>> >  {
>> >         unsigned long flags;
>> >         unsigned long tmp;
> Shouldn't this become "unsigned int tmp" for consistency, too?
> 

It seems better. (although I guess: for 'm32r', both 'long' and 'int'
are 32-bit).

I will wait for 1 day at least, if no additional suggestions or
completions, I will send patch v2.

>> > @@ -286,7 +286,7 @@ static __inline__ void atomic_clear_mask(unsigned long  mask, atomic_t *addr)
>> >         local_irq_restore(flags);
>> >  }
>> >
>> > -static __inline__ void atomic_set_mask(unsigned long  mask, atomic_t *addr)
>> > +static __inline__ void atomic_set_mask(unsigned int mask, atomic_t *addr)
>> >  {
>> >         unsigned long flags;
>> >         unsigned long tmp;
> Likewise.
> 
> There may be other places that need changes.

OK, I will check them.


Thanks.
-- 
Chen Gang

Asianux Corporation
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