Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Merge branch 'for-linus' of git://git./linux/kernel/git/s390/linux

Pull s390 fixes from Martin Schwidefsky:
 "A couple of last minute bug fixes for 3.16, including a fix for ptrace
  to close a hole which allowed a user space program to write to the
  kernel address space"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390: fix restore of invalid floating-point-control
  s390/zcrypt: improve device probing for zcrypt adapter cards
  s390/ptrace: fix PSW mask check
  s390/MSI: Use standard mask and unmask funtions
  s390/3270: correct size detection with the read-partition command
  s390: require mvcos facility, not tod clock steering facility