linux-kernel - Re: Unable to continue testing of 2.6.25

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Date:	Mon, 18 Feb 2008 11:07:06 -0800
From:	Arjan van de Ven <arjan@...radead.org>
To:	Roland Dreier <rdreier@...co.com>
Cc:	Andi Kleen <andi@...stfloor.org>, Frans Pop <elendil@...net.nl>,
	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: Unable to continue testing of 2.6.25

On Mon, 18 Feb 2008 10:53:42 -0800
Roland Dreier <rdreier@...co.com> wrote:

> AFAIK mapping PCI memory WB is not allowed, so WC is really our only
> choice.

afaik that depends on the BAR being prefetchable or not.

(and by your argument, ioremap_cached() would not be useful, and since that was, until
2.6.25-rc1, the default behavior for ioremap(), would have caused massive problems)


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