From: Jarek Poplawski <jarkao2@o2.pl>
To: Nick Piggin <npiggin@suse.de>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andi Kleen <ak@suse.de>
Subject: Re: [rfc][patch 3/3] x86: optimise barriers
Date: Fri, 12 Oct 2007 14:10:43 +0200 [thread overview]
Message-ID: <20071012121043.GG1962@ff.dom.local> (raw)
In-Reply-To: <20071012115510.GF1962@ff.dom.local>
On Fri, Oct 12, 2007 at 01:55:10PM +0200, Jarek Poplawski wrote:
> On Fri, Oct 12, 2007 at 12:42:38PM +0200, Nick Piggin wrote:
...
> > [...] If you can actually come up with a test
> > case that triggers load/load or store/store reordering, I'm sure
> > Intel / AMD would like to see it ;)
>
> It seems, after testing only (plus no official spec against this idea),
(...plus of course proper smp_rmb & smp_wmb vs. smp_mb interpretation
probably available from Paul McKenney or Davide Libenzi before this
Intel spec, as well...)
Jarek P.
next prev parent reply other threads:[~2007-10-12 12:08 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-04 5:21 [rfc][patch 1/3] x86_64: fence nontemproal stores Nick Piggin
2007-10-04 5:22 ` [rfc][patch 2/3] x86: fix IO write barriers Nick Piggin
2007-10-04 17:32 ` Dave Jones
2007-10-04 17:53 ` Andi Kleen
2007-10-04 18:10 ` Dave Jones
2007-10-04 18:21 ` Andi Kleen
2007-10-04 18:41 ` Dave Jones
2007-10-04 18:58 ` Andi Kleen
2007-10-04 19:08 ` Dave Jones
2007-10-04 20:52 ` Alan Cox
2007-10-04 5:23 ` [rfc][patch 3/3] x86: optimise barriers Nick Piggin
2007-10-12 8:25 ` Jarek Poplawski
2007-10-12 8:42 ` Helge Hafting
2007-10-12 9:12 ` Jarek Poplawski
2007-10-12 9:44 ` Nick Piggin
2007-10-12 10:04 ` Jarek Poplawski
2007-10-12 12:44 ` Helge Hafting
2007-10-12 13:29 ` Jarek Poplawski
2007-10-15 10:17 ` Helge Hafting
2007-10-15 11:53 ` Jarek Poplawski
2007-10-12 8:57 ` Nick Piggin
2007-10-12 9:55 ` Jarek Poplawski
2007-10-12 10:42 ` Nick Piggin
2007-10-12 11:55 ` Jarek Poplawski
2007-10-12 12:10 ` Jarek Poplawski [this message]
2007-10-12 15:13 ` Linus Torvalds
2007-10-15 7:44 ` Jarek Poplawski
2007-10-15 8:09 ` Nick Piggin
2007-10-15 9:10 ` Jarek Poplawski
2007-10-15 9:24 ` Jarek Poplawski
2007-10-16 0:50 ` Nick Piggin
2007-10-16 9:00 ` Jarek Poplawski
2007-10-16 9:14 ` david
2007-10-16 12:49 ` Jarek Poplawski
2007-10-15 14:38 ` David Schwartz
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