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From: Oliver Neukum <oliver@neukum.org>
To: "linux-os (Dick Johnson)" <linux-os@analogic.com>
Cc: "moreau francis" <francis_moreau2000@yahoo.fr>,
	"Linux kernel" <linux-kernel@vger.kernel.org>
Subject: Re: question on memory barrier
Date: Wed, 24 Aug 2005 21:55:34 +0200	[thread overview]
Message-ID: <200508242155.34837.oliver@neukum.org> (raw)
In-Reply-To: <Pine.LNX.4.61.0508241542110.31690@chaos.analogic.com>


> And you never even bothered to read what I said about that???
> The write ORDER will NOT change. Period. It's a FIFO. Writes

On current implementations of i386. That is not good enough.
We want code that works everywhere. You are wrong.
If you need to have ordered writes to a bus, use wmb().

	Regards
		Oliver

  reply	other threads:[~2005-08-24 19:55 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-08-24 12:43 question on memory barrier moreau francis
2005-08-24 13:04 ` linux-os (Dick Johnson)
2005-08-24 17:31   ` moreau francis
2005-08-24 18:22     ` linux-os (Dick Johnson)
2005-08-24 19:32       ` Oliver Neukum
2005-08-24 19:47         ` linux-os (Dick Johnson)
2005-08-24 19:55           ` Oliver Neukum [this message]
2005-08-24 19:48     ` Andy Isaacson
2005-08-24 19:53       ` Jesse Barnes
2005-08-24 21:45         ` Alan Cox
2005-08-24 21:22           ` Jesse Barnes
2005-08-24 20:03       ` linux-os (Dick Johnson)
2005-08-24 20:21         ` Oliver Neukum
2005-08-25  2:25         ` David Schwartz
2005-08-25  8:49       ` Denis Vlasenko
2005-08-25  9:14       ` moreau francis
2005-08-25 10:07         ` Alan Cox
2005-08-25 14:54         ` Andy Isaacson
2005-08-26  7:21           ` moreau francis
2005-08-26 10:37             ` Maciej W. Rozycki
2005-08-25 10:32       ` Maciej W. Rozycki
2005-08-24 21:57 ` Alan Cox

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