From: linas@austin.ibm.com (Linas Vepstas)
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Olof Johansson <olof@lixom.net>,
linuxppc-dev@ozlabs.org, Paul Mackerras <paulus@samba.org>
Subject: Re: [PATCH] powerpc: map 4K iommu pages even on 64K largepage systems
Date: Tue, 24 Oct 2006 18:17:19 -0500 [thread overview]
Message-ID: <20061024231719.GE6360@austin.ibm.com> (raw)
In-Reply-To: <1161726084.10524.622.camel@localhost.localdomain>
On Wed, Oct 25, 2006 at 07:41:23AM +1000, Benjamin Herrenschmidt wrote:
>
> My point is that we'll probably not change IOMMU_PAGE_SHIFT. The only
> thing we might do is to move the shift into the iommu_table structure to
> make it per-iommu (in which case the TCE backend will use 4k or 64k
> depending on actual HW/FW support for those sizes).
OK, right; I don't know why, I didn't see this right wawy.
--linas
next prev parent reply other threads:[~2006-10-24 23:17 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-24 0:25 [RFC]: map 4K iommu pages even on 64K largepage systems Linas Vepstas
2006-10-24 0:50 ` Geoff Levand
2006-10-24 2:23 ` Benjamin Herrenschmidt
2006-10-24 2:22 ` Benjamin Herrenschmidt
2006-10-24 3:00 ` Geoff Levand
2006-10-24 4:43 ` Benjamin Herrenschmidt
2006-10-24 5:14 ` [PATCH] powerpc: " Benjamin Herrenschmidt
2006-10-24 20:08 ` Linas Vepstas
2006-10-24 21:41 ` Benjamin Herrenschmidt
2006-10-24 23:17 ` Linas Vepstas [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-10-30 5:15 Benjamin Herrenschmidt
2006-10-30 21:33 ` Olof Johansson
2006-10-31 3:06 ` Stephen Rothwell
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