s390 updates for the 5.4 merge window

- Add support for IBM z15 machines.

- Add SHA3 and CCA AES cipher key support in zcrypt and pkey refactoring.

- Move to arch_stack_walk infrastructure for the stack unwinder.

- Various kasan fixes and improvements.

- Various command line parsing fixes.

- Improve decompressor phase debuggability.

- Lift no bss usage restriction for the early code.

- Use refcount_t for reference counters for couple of places in
  mm code.

- Logging improvements and return code fix in vfio-ccw code.

- Couple of zpci fixes and minor refactoring.

- Remove some outdated documentation.

- Fix secure boot detection.

- Other various minor code clean ups.
s390: remove pointless drivers-y in drivers/s390/Makefile

This is unused.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
1 file changed