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Message-ID: <20071031124831.GA3982@linux-mips.org> Date: Wed, 31 Oct 2007 12:48:31 +0000 From: Ralf Baechle <ralf@...ux-mips.org> To: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca> Cc: akpm@...ux-foundation.org, linux-kernel@...r.kernel.org, matthew@....cx, linux-arch@...r.kernel.org, penberg@...helsinki.fi, linux-mm@...ck.org, Christoph Lameter <clameter@....com> Subject: Re: [patch 04/28] Add cmpxchg64 and cmpxchg64_local to mips On Tue, Oct 30, 2007 at 03:16:01PM -0400, Mathieu Desnoyers wrote: > Index: linux-2.6-lttng/include/asm-mips/cmpxchg.h > =================================================================== > --- linux-2.6-lttng.orig/include/asm-mips/cmpxchg.h 2007-10-12 12:05:06.000000000 -0400 > +++ linux-2.6-lttng/include/asm-mips/cmpxchg.h 2007-10-12 12:08:56.000000000 -0400 > @@ -104,4 +104,13 @@ extern void __cmpxchg_called_with_bad_po > #define cmpxchg(ptr, old, new) __cmpxchg(ptr, old, new, smp_llsc_mb()) > #define cmpxchg_local(ptr, old, new) __cmpxchg(ptr, old, new, ) > > +#define cmpxchg64 cmpxchg > + > +#ifdef CONFIG_64BIT > +#define cmpxchg64_local cmpxchg_local This implementation means cmpxchg64_local will also silently take 32-bit arguments without making noises at compile time. I think it should. Ralf - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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