Linux 2.6.38.8
    
    Revert radeon patches we already have:
     drm/radeon/kms: add wait idle ioctl for eg->cayman
     drm/radeon/evergreen/btc/fusion: setup hdp to invalidate and flush when asked
    Drop individual patches we have:
     ips-use-interruptible-waits-in-ips-monitor.patch
     drm-vblank-events-fix-hangs.patch
     mm-vmscan-correct-use-of-pgdat_balanced-in-sleeping_prematurely.patch
     mm-vmscan-correctly-check-if-reclaimer-should-schedule-during-shrink_slab.patch