Merge Linux 4.4.275 kernel

Changes in 4.4.275: (5 commits)
        scsi: sr: Return appropriate error code when disk is ejected
        drm/nouveau: fix dma_address check for CPU/GPU sync
        xen/events: reset active flag for lateeoi events later
        arm: kprobes: Allow to handle reentered kprobe on single-stepping
        Linux 4.4.275