lkml.org 
[lkml]   [2008]   [May]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH 0/2] x86: per-device dma_mapping_ops
From
On Thu, 15 May 2008 11:01:09 +0200
Andi Kleen <andi@firstfloor.org> wrote:

> FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> writes:
>
> > This patchset adds per-device dma_mapping_ops support for
> > CONFIG_X86_64 like POWER architecture does. This change enables us to
> > cleanly fix the Calgary IOMMU issue that some devices are not behind
> > the IOMMU [1]. It also would be helpful to handle KVM PCI passthrough.
>
> This makes it basically impossible to do stack ops, which some
> people have been doing.

Seems that I misunderstand what those people want.

What those people want to do and how the stack ops achieve it? Or can
you tell me where their patches are?


\
 
 \ /
  Last update: 2008-05-15 11:57    [from the cache]
©2003-2011 Jasper Spaans. Advertise on this site