Kernel prepatch 4.2-rc5

The 4.2-rc5 prepatch is out, and Linus iswishing things were going a bit more smoothly. "We're getting upthere to the later rc's, but it's looking like 4.2 might be one of thereleases needing more than the usual seven rc releases - things aren'tcalming down like I would wish, and we've still had some fairly annoyingissues pop up."