Kernel prepatch 2.6.28-rc4

Small fixes highlight this -rc release...

"Nothing hugely exciting here. Various small fixes all over. There's a delayed FAT update which includes some movement of files around, and there's two fixes for some really long-standing problems (not really regressions, but nasty bugs) in Unix domain file descriptor passing.

"I also merged the new cpumask interfaces, even if nothing actually uses them..." [Read more]