Merge remote-tracking branch 'iommu/next'

diff --cc Documentation/admin-guide/kernel-parameters.txt
Simple merge

diff --cc drivers/gpu/drm/amd/amdkfd/kfd_iommu.c
Simple merge

diff --cc drivers/gpu/drm/msm/adreno/adreno_gpu.c
Simple merge

diff --cc drivers/iommu/dma-iommu.c
Simple merge

diff --cc drivers/soc/fsl/qbman/qman_portal.c
Simple merge

diff --cc include/linux/cpuhotplug.h
Simple merge