[GIT PULL] s390 updates for 5.5-rc2

[Vasily Gorbik <gor@linux.ibm.com>]

Hello Linus,

please pull s390 changes for 5.5-rc2.

Thank you,
Vasily

The following changes since commit e42617b825f8073569da76dc4510bfa019b1c35a:

  Linux 5.5-rc1 (2019-12-08 14:57:55 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git tags/s390-5.5-3

for you to fetch changes up to 3e39ce266a273e5751e5792aee248cb8d9630c8b:

  s390/kasan: add KASAN_VMALLOC support (2019-12-11 19:56:59 +0100)

----------------------------------------------------------------
s390 updates for 5.5-rc2

- Add support for KASAN_VMALLOC feature.

- Remove the last user of problematic diag 0x44 call.

- Adjust sampling interval and avoid sample data block overflow condition
  on pressure in perf code.

- Prefer EOPNOTSUPP over ENOTSUPP and comments fixes.

----------------------------------------------------------------
Christian Borntraeger (1):
      s390/uv: use EOPNOTSUPP instead of ENOTSUPP

Colin Ian King (1):
      s390/test_unwind: fix spelling mistake "reqister" -> "register"

Heiko Carstens (1):
      s390: remove last diag 0x44 caller

Thomas Richter (2):
      s390/cpum_sf: Adjust sampling interval to avoid hitting sample limits
      s390/cpum_sf: Avoid SBD overflow condition in irq handler

Vasily Gorbik (2):
      s390/spinlock: remove confusing comment in arch_spin_lock_wait
      s390/kasan: add KASAN_VMALLOC support

 arch/s390/Kconfig               |  1 +
 arch/s390/include/asm/setup.h   |  2 --
 arch/s390/include/asm/uv.h      |  2 +-
 arch/s390/kernel/early.c        | 16 ----------
 arch/s390/kernel/perf_cpum_sf.c | 22 +++++++++----
 arch/s390/kernel/smp.c          | 13 +++-----
 arch/s390/lib/spinlock.c        |  1 -
 arch/s390/lib/test_unwind.c     |  2 +-
 arch/s390/mm/kasan_init.c       | 68 +++++++++++++++++++++++++++++++++--------
 9 files changed, 80 insertions(+), 47 deletions(-)