Messages in this thread | | | Date | Mon, 31 May 2010 20:10:07 +0300 | From | "Michael S. Tsirkin" <> | Subject | Re: [PATCH] VFIO driver: Non-privileged user level PCI drivers |
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On Mon, May 31, 2010 at 02:50:29PM +0300, Avi Kivity wrote: > On 05/30/2010 05:53 PM, Michael S. Tsirkin wrote: >> >> So what I suggested is failing any kind of access until iommu >> is assigned. >> > > So, the kernel driver must be aware of the iommu. In which case it may > as well program it.
It's a kernel driver anyway. Point is that the *device* driver is better off not programming iommu, this way we do not need to reprogram it for each device.
> -- > I have a truly marvellous patch that fixes the bug which this > signature is too narrow to contain.
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