From: Christoph Lameter <clameter@sgi.com>
To: linux-ia64@vger.kernel.org
Subject: Re: Fix ia64 bit ops: Full barriers for bit operations returning a
Date: Tue, 04 Apr 2006 14:40:42 +0000 [thread overview]
Message-ID: <Pine.LNX.4.64.0604040739300.26652@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0604031129510.21064@schroedinger.engr.sgi.com>
On Tue, 4 Apr 2006, Zoltan Menyhart wrote:
> Could you consider using some cache hints, like "ld8.bias.nta"?
> "bias" is a hint to acquire exclusive ownership.
> "nta" is a hint to allocate the cache line only in L2
> (and side effect: to bias it to be replaced).
> All of the Itanium 2 processor's atomic instructions are handled
> exclusively by the L2 cache.
Could you come up with a patch? Currently, I do not seem to be able to
spend enough time on it.
next prev parent reply other threads:[~2006-04-04 14:40 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-03 18:32 Fix ia64 bit ops: Full barriers for bit operations returning a value Christoph Lameter
2006-04-03 23:11 ` Chen, Kenneth W
2006-04-04 1:05 ` Fix ia64 bit ops: Full barriers for bit operations returning Nick Piggin
2006-04-04 2:11 ` Fix ia64 bit ops: Full barriers for bit operations returning a Christoph Lameter
2006-04-04 13:30 ` Fix ia64 bit ops: Full barriers for bit operations returning a value Chen, Kenneth W
2006-04-04 14:40 ` Christoph Lameter [this message]
2006-04-04 16:48 ` Fix ia64 bit ops: Full barriers for bit operations returning Zoltan Menyhart
2006-04-05 15:30 ` Zoltan Menyhart
2006-04-05 16:17 ` Fix ia64 bit ops: Full barriers for bit operations returning a Christoph Lameter
2006-04-05 16:44 ` Fix ia64 bit ops: Full barriers for bit operations returning Zoltan Menyhart
2006-04-05 17:31 ` Fix ia64 bit ops: Full barriers for bit operations returning a Christoph Lameter
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