[PATCH v12 00/22] selftests, powerpc, x86 : Memory Protection Keys

[linuxram at us.ibm.com (Ram Pai)]

Memory protection keys enables an application to protect its address space from
inadvertent access by its own code.

This feature is now enabled on powerpc architecture and integrated in
4.16-rc1.  The patches move the selftests to arch neutral directory
and enhance their test coverage. 

Test
----
Verified for correctness on powerpc
and on x86 architectures(using EC2 ubuntu VM instance).

History:
-------

version 12: 
	(1) fixed the offset of pkey field in the siginfo structure for
		x86_64 and powerpc. And tries to use the actual field
		if the headers have it defined.
version 11:
	(1) fixed a deadlock in the ptrace testcase.

version 10 and prior:
	(1) moved the testcase to arch neutral directory
	(2) split the changes into incremental patches.

Ram Pai (21):
  selftests/x86: Move protecton key selftest to arch neutral directory
  selftests/vm: rename all references to pkru to a generic name
  selftests/vm: move generic definitions to header file
  selftests/vm: typecast the pkey register
  selftests/vm: generic function to handle shadow key register
  selftests/vm: fix the wrong assert in pkey_disable_set()
  selftests/vm: fixed bugs in pkey_disable_clear()
  selftests/vm: clear the bits in shadow reg when a pkey is freed.
  selftests/vm: fix alloc_random_pkey() to make it really random
  selftests/vm: introduce two arch independent abstraction
  selftests/vm: pkey register should match shadow pkey
  selftests/vm: generic cleanup
  selftests/vm: powerpc implementation for generic abstraction
  selftests/vm: clear the bits in shadow reg when a pkey is freed.
  selftests/vm: powerpc implementation to check support for pkey
  selftests/vm: fix an assertion in test_pkey_alloc_exhaust()
  selftests/vm: associate key on a mapped page and detect access
    violation
  selftests/vm: associate key on a mapped page and detect write
    violation
  selftests/vm: detect write violation on a mapped access-denied-key
    page
  selftests/vm: testcases must restore pkey-permissions
  selftests/vm: sub-page allocator

Thiago Jung Bauermann (1):
  selftests/vm: Fix deadlock in protection_keys.c

 tools/testing/selftests/vm/Makefile           |    1 +
 tools/testing/selftests/vm/pkey-helpers.h     |  434 ++++++++
 tools/testing/selftests/vm/protection_keys.c  | 1471 +++++++++++++++++++++++++
 tools/testing/selftests/x86/Makefile          |    2 +-
 tools/testing/selftests/x86/pkey-helpers.h    |  223 ----
 tools/testing/selftests/x86/protection_keys.c | 1407 -----------------------
 6 files changed, 1907 insertions(+), 1631 deletions(-)
 create mode 100644 tools/testing/selftests/vm/pkey-helpers.h
 create mode 100644 tools/testing/selftests/vm/protection_keys.c
 delete mode 100644 tools/testing/selftests/x86/pkey-helpers.h
 delete mode 100644 tools/testing/selftests/x86/protection_keys.c

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