Kernel prepatch 4.7-rc4

The4.7-rc4 prepatch is now available fortesting. Linus Torvalds said that it is "pretty small" with"nothing particularly worrisome". The development cycle proceedsapace with the usual sorts of changes: "The statistics look very normal: about two thirds drivers, with therest being half architecture updates and half "misc" (smallfilesystem updates,. some documentation, and a smattering of patcheselsewhere)."