lkml.org 
[lkml]   [2011]   [Nov]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 4/4] iommu: Add option to group multi-function devices
On Fri, Oct 21, 2011 at 01:56:24PM -0600, Alex Williamson wrote:
> The option iommu=group_mf indicates the that the iommu driver should
> expose all functions of a multi-function PCI device as the same
> iommu_device_group. This is useful for disallowing individual functions
> being exposed as independent devices to userspace as there are often
> hidden dependencies. Virtual functions are not affected by this option.

This seems ok as a testing/debugging hack. But in general, surely,
whether to group the functions should be a device quirk.

--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson


\
 
 \ /
  Last update: 2011-12-01 01:41    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site