[GIT PULL] s390 patches for the 5.4 merge window #2

[Vasily Gorbik]

Hello Linus,

please pull the second round of s390 fixes and features for 5.4.

Thank you,
Vasily

The following changes since commit d590284419b1d7cc2dc646e9bdde4da19061cf0f:

  Merge tag 's390-5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux (2019-09-17 14:04:43 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git tags/s390-5.4-2

for you to fetch changes up to ab5758848039de9a4b249d46e4ab591197eebaf2:

  s390/cio: exclude subchannels with no parent from pseudo check (2019-09-23 23:27:53 +0200)

----------------------------------------------------------------
s390 updates for the 5.4 merge window #2

 - Fix 3 kasan findings.

 - Add PERF_EVENT_IOC_PERIOD ioctl support.

 - Add Crypto Express7S support and extend sysfs attributes for pkey.

 - Minor common I/O layer documentation corrections.

----------------------------------------------------------------
Cornelia Huck (1):
      s390/cio: fix intparm documentation

Harald Freudenberger (1):
      s390/zcrypt: CEX7S exploitation support

Ingo Franzki (1):
      s390/pkey: Add sysfs attributes to emit AES CIPHER key blobs

Thomas Richter (2):
      s390/cpum_sf: Support ioctl PERF_EVENT_IOC_PERIOD
      s390/cpumf: Remove mixed white space

Vasily Gorbik (3):
      s390/topology: avoid firing events before kobjs are created
      s390/cio: avoid calling strlen on null pointer
      s390/cio: exclude subchannels with no parent from pseudo check

 arch/s390/include/asm/cpu_mf.h      |  10 +--
 arch/s390/include/asm/perf_event.h  |   2 +
 arch/s390/include/uapi/asm/zcrypt.h |   4 +-
 arch/s390/kernel/perf_cpum_sf.c     | 165 +++++++++++++++++++++++++++---------
 arch/s390/kernel/topology.c         |   3 +-
 drivers/s390/cio/ccwgroup.c         |   2 +-
 drivers/s390/cio/css.c              |   2 +
 drivers/s390/cio/device_ops.c       |  23 +++--
 drivers/s390/crypto/ap_bus.c        |  12 +--
 drivers/s390/crypto/ap_bus.h        |   3 +-
 drivers/s390/crypto/pkey_api.c      | 113 ++++++++++++++++++++++++
 drivers/s390/crypto/vfio_ap_drv.c   |   2 +
 drivers/s390/crypto/zcrypt_api.h    |   3 +-
 drivers/s390/crypto/zcrypt_cex4.c   |  72 +++++++++++-----
 14 files changed, 334 insertions(+), 82 deletions(-)