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Message-ID: <20061221194652.GC25249@Krystal> Date: Thu, 21 Dec 2006 14:46:52 -0500 From: Mathieu Desnoyers <compudj@...stal.dyndns.org> To: linux-kernel@...r.kernel.org, Andrew Morton <akpm@...l.org>, Ingo Molnar <mingo@...hat.com>, Greg Kroah-Hartman <gregkh@...e.de>, Christoph Hellwig <hch@...radead.org> Cc: Douglas Niehaus <niehaus@...s.ku.edu>, "Martin J. Bligh" <mbligh@...igh.org>, ltt-dev@...fik.org, Thomas Gleixner <tglx@...utronix.de>, systemtap@...rces.redhat.com Subject: Re: [Ltt-dev] [PATCH 10/10] local_t : x86_64 : local_add_return local_add_return should also deal with the removed volatile from local_t. Inspired from atomic_t modifications : it must use the local_t both as input and output. Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca> --- a/include/asm-x86_64/local.h +++ b/include/asm-x86_64/local.h @@ -136,8 +136,8 @@ static __inline__ long local_add_return( long __i = i; __asm__ __volatile__( "xaddq %0, %1;" - :"=r"(i) - :"m"(l->a.counter), "0"(i)); + :"+r" (i), "+m" (l->a.counter) + : : "memory"); return i + __i; } -- OpenPGP public key: http://krystal.dyndns.org:8080/key/compudj.gpg Key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 - 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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