diff options
| author | Alex Williamson <[email protected]> | 2011-07-14 13:27:03 -0600 |
|---|---|---|
| committer | Avi Kivity <[email protected]> | 2011-07-24 11:50:42 +0300 |
| commit | 3f68b0318bbbd61bf08478ab99a149f0d9e5156e (patch) | |
| tree | 5caa009c012cee6b61de36f1aa643c9443684423 /net/lapb/lapb_timer.c | |
| parent | 4f0226482d20f104e943ee9e6f1218b573953f63 (diff) | |
KVM: IOMMU: Disable device assignment without interrupt remapping
IOMMU interrupt remapping support provides a further layer of
isolation for device assignment by preventing arbitrary interrupt
block DMA writes by a malicious guest from reaching the host. By
default, we should require that the platform provides interrupt
remapping support, with an opt-in mechanism for existing behavior.
Both AMD IOMMU and Intel VT-d2 hardware support interrupt
remapping, however we currently only have software support on
the Intel side. Users wishing to re-enable device assignment
when interrupt remapping is not supported on the platform can
use the "allow_unsafe_assigned_interrupts=1" module option.
[avi: break long lines]
Signed-off-by: Alex Williamson <[email protected]>
Signed-off-by: Marcelo Tosatti <[email protected]>
Signed-off-by: Avi Kivity <[email protected]>
Diffstat (limited to 'net/lapb/lapb_timer.c')
0 files changed, 0 insertions, 0 deletions