From: Arjan van de Ven <arjan@infradead.org>
To: "linux-os (Dick Johnson)" <linux-os@analogic.com>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>,
Stefan Richter <stefanr@s5r6.in-berlin.de>,
linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org
Subject: Re: How to replace bus_to_virt()?
Date: Wed, 03 May 2006 23:01:27 +0200 [thread overview]
Message-ID: <1146690087.6818.19.camel@laptopd505.fenrus.org> (raw)
In-Reply-To: <Pine.LNX.4.61.0605031615470.29989@chaos.analogic.com>
> Just make your own macro! When they change the "@(#*%^+@~%" kernel,
> which they will continue to do,
we're not changing 2.6.12. If you don't want changes you can just keep
using the kernel you are using ;)
> just adapt your macro. You've
> probably already figured out that, for ix86-32 bits (no extended
> addressing), you OR in PAGE_OFFSET. That's an artifact of how the
> pages tables are set up.
and that isn't even possible like that on other architectures, like ones
which have IOMMU's. That is actually the reason stuff like this is
deprecated, and why we have a real API for dma nowadays.
next prev parent reply other threads:[~2006-05-03 21:01 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-30 14:52 Stefan Richter
2006-04-30 15:50 ` Arjan van de Ven
2006-04-30 23:40 ` Stefan Richter
2006-05-03 19:11 ` Guennadi Liakhovetski
2006-05-03 20:35 ` linux-os (Dick Johnson)
2006-05-03 21:01 ` Arjan van de Ven [this message]
2006-05-01 12:30 ` Segher Boessenkool
[not found] <mailman.1146409020.11659.linux-kernel2news@redhat.com>
2006-05-01 18:27 ` Pete Zaitcev
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