Cui, Dexuan
2009-Mar-18 09:28 UTC
[Xen-devel] [PATCH] Only enable some VT-d features if all VT-d engines support them.
By default, we enable snoop control, queued invalidation and interrupt remapping if all VT-d engines support them, and for DMA passthrough we don''t enable it by default. A user can use ''iommu=passthrough'' to enable DMA passthrough (only for Dom0). A user can use ''iommu=no-snoop,no-qinval,no-intremap'' to disable the 3 features. Signed-off-by: Dexuan Cui <dexuan.cui@intel.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel