From: Benjamin LaHaise <bcrl@kvack.org>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: "Bryan O'Sullivan" <bos@pathscale.com>,
akpm@osdl.org, ak@suse.de, paulus@samba.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Define flush_wc, a way to flush write combining store buffers
Date: Wed, 8 Mar 2006 16:37:56 -0500 [thread overview]
Message-ID: <20060308213756.GB5410@kvack.org> (raw)
In-Reply-To: <1141853919.11221.183.camel@localhost.localdomain>
On Thu, Mar 09, 2006 at 08:38:39AM +1100, Benjamin Herrenschmidt wrote:
> I think people already don't undersatnd the existing gazillion of
> barriers we have with quite unclear semantics in some cases, it's not
> time to add a new one ...
We went over the details of this in a pretty long thread, and you can't
use any of the existing memory barriers to solve this particular problem.
I think the definition of this one is well done now.
-ben
--
"Time is of no importance, Mr. President, only life is important."
Don't Email: <dont@kvack.org>.
next prev parent reply other threads:[~2006-03-08 21:43 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-08 21:31 Bryan O'Sullivan
2006-03-08 21:38 ` Benjamin Herrenschmidt
2006-03-08 21:37 ` Benjamin LaHaise [this message]
2006-03-08 21:43 ` Bryan O'Sullivan
2006-03-08 14:21 ` Andi Kleen
2006-03-08 21:57 ` Bryan O'Sullivan
2006-03-08 14:38 ` Andi Kleen
2006-03-09 1:26 ` Bryan O'Sullivan
2006-03-08 23:40 ` Benjamin Herrenschmidt
2006-03-09 1:48 ` Bryan O'Sullivan
2006-03-08 22:06 ` Alan Cox
2006-03-08 14:35 ` Andi Kleen
2006-03-08 22:05 ` Bryan O'Sullivan
2006-03-08 14:40 ` Andi Kleen
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