Merge tag 'gvt-next-fixes-2018-03-20' of https://github.com/intel/gvt-linux into...

gvt-next-fixes-2018-03-20

- No need warning on untracked regs (Colin)
- Error handling fix for dma unmap (Changbin)
- invalidate shadow ppgtt for vGPU reset (Zhi)
- ensure to update shadow ppgtt after pinned (Zhi)
- force guest ctx ctrl update for sanity (Zhenyu/Xiong)
- one typo fix (Colin)

Signed-off-by: Joonas Lahtinen <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]