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Jason Andryuk
3c7482b73c
xl/libxl only applies vkb=[] to PV & PVH guests. HVM gets only a single vkb by default, but that can be disabled by the vkb_device boolean. Notably the HVM vkb cannot be configured, so feature-abs-pointer or the backend-type cannot be specified. Re-arrange the logic so that vkb=[] is handled regardless of domain type. If vkb is empty or unspecified, follow the vkb_device boolean for HVMs. Nothing changes for PVH & PV. HVMs can now get a configured vkb instead of just the default one. The chance for regression is an HVM config with vkb=["$something"] vkb_device=false Which would now get a vkb. This is useful for vGlass which provides a VKB to HVMs. vGlass wants to specify feature-abs-pointer, but that is racily written by vGlass instead of coming through the xl.cfg. Unhelpfully, Linux xen-kbdfront reads the backend nodes without checking that the backend is in InitWait. Signed-off-by: Jason Andryuk <jandryuk@gmail.com> Signed-off-by: Jason Andryuk <jason.andryuk@amd.com> Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
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