linux-kernel - Re: 64-bit ppc rwsem

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Date:	Thu, 19 Aug 2010 20:24:19 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	David Miller <davem@...emloft.net>
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org,
	paulus@...ibm.com, linuxppc-dev@...ts.ozlabs.org
Subject: Re: 64-bit ppc rwsem

On Wed, 2010-08-18 at 22:29 -0700, David Miller wrote:
> From: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> Date: Thu, 19 Aug 2010 15:23:23 +1000
> 
> > Similar here, but using atomic_long_t instead so it works for 32-bit too
> > for me. I suppose we could make that part common indeed.
> > 
> > What about asm-generic/rwsem-atomic.h  or rwsem-cmpxchg.h ?
> 
> Using rwsem-cmpxchg.h sounds best I guess.

Ok, I'll send a new patch tomorrow that does that.

Cheers,
Ben.


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