Pull s390 patches from Heiko Carstens:
 "A couple of s390 patches for the 3.5 merge window.  Just a collection
  of bug fixes and cleanups."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/uaccess: fix access_ok compile warnings
  s390/cmpxchg: select HAVE_CMPXCHG_LOCAL option
  s390/cmpxchg: fix sign extension bugs
  s390/cmpxchg: fix 1 and 2 byte memory accesses
  s390/cmpxchg: fix compile warnings specific to s390
  s390/cmpxchg: add missing memory barrier to cmpxchg64
  s390/cpu: remove cpu "capabilities" sysfs attribute
  s390/kernel: Fix smp_call_ipl_cpu() for offline CPUs
  s390/kernel: Introduce memcpy_absolute() function
  s390/headers: replace __s390x__ with CONFIG_64BIT where possible
  s390/headers: remove #ifdef __KERNEL__ from not exported headers
  s390/irq: split irq stats for cpu-measurement alert facilities
  s390/kexec: Move early_pgm_check_handler() to text section
  s390/kdump: Use real mode for PSW restart and kexec
  s390/kdump: Account /sys/kernel/kexec_crash_size changes in OS info
  s390/kernel: Remove OS info init function call and diag 308 for kdump