linux-kernel - Re: [PATCH 00/09] atomic.h : standardizing atomic primitives

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Message-ID: <20070127173124.GA25282@Krystal>
Date:	Sat, 27 Jan 2007 12:31:24 -0500
From:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
To:	Andrew Morton <akpm@...l.org>
Cc:	linux-kernel@...r.kernel.org, Linus Torvalds <torvalds@...l.org>,
	Ingo Molnar <mingo@...hat.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Christoph Hellwig <hch@...radead.org>, ltt-dev@...fik.org,
	systemtap@...rces.redhat.com,
	Douglas Niehaus <niehaus@...s.ku.edu>,
	"Martin J. Bligh" <mbligh@...igh.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Paul Mackerras <paulus@...ba.org>
Subject: Re: [PATCH 00/09] atomic.h : standardizing atomic primitives

* Andrew Morton (akpm@...l.org) wrote:
> On Thu, 25 Jan 2007 11:15:45 -0500
> Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca> wrote:
> 
> > It mainly adds support for missing 64 bits cmpxchg and 64 bits atomic add
> > unless. Therefore, principally 64 bits architectures are targeted by these
> > patches. It also adds the complete list of atomic operations on the atomic_long
> > type.
> 
> OK, I fixed eight separate compile errors in this patch series and
> now powerpc is being very ugly with a twisty maze of include dependencies.
> 
> I'm giving up.  Someone should publish a suite of cross-compilers for us
> so stuff like this doesn't need to happen.

Hi Andrew,

This seems to be caused by the fact that I use inline functions for
atomic_long_cmpxchg and atomic_long_xchg. I could simply use macros and
this problem would fade away.

I agree about the cross-compiler suite, it would be very useful here.

Mathieu

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