[PATCH v3 0/4] powerpc/selftests: Add Power10 2nd DAWR selftests

[Ravi Bangoria]

Power10 introduced 2nd watchpoint (DAWR). ISA 3.1, Book 3S, Ch 9 -
'Debug Facilities' covers the feature in detail. Kernel patches to
enable the 2nd DAWR are already in[1], including kvm enablement[2].
These patches adds selftests for 2nd DAWR. 

[1]: https://git.kernel.org/torvalds/c/deb2bd9bcc8428d4b65b6ba640ba8b57c1b20b17
[2]: https://git.kernel.org/torvalds/c/bd1de1a0e6eff4bde5ceae969673b85b8446fd6a

v2: https://lore.kernel.org/r/20210407054938.312857-1-ravi.bangoria@linux.ibm.com
v2->v3:
 - Fixed some checkpatch warnings

v1: https://lore.kernel.org/r/20200723102058.312282-1-ravi.bangoria@linux.ibm.com
v1->v2:
 - Kvm patches are already upstream
 - Rebased selftests to powerpc/next

Ravi Bangoria (4):
  powerpc/selftests/ptrace-hwbreak: Add testcases for 2nd DAWR
  powerpc/selftests/perf-hwbreak: Coalesce event creation code
  powerpc/selftests/perf-hwbreak: Add testcases for 2nd DAWR
  powerpc/selftests: Add selftest to test concurrent perf/ptrace events

 .../selftests/powerpc/ptrace/.gitignore       |   1 +
 .../testing/selftests/powerpc/ptrace/Makefile |   2 +-
 .../selftests/powerpc/ptrace/perf-hwbreak.c   | 631 +++++++++++++++--
 .../selftests/powerpc/ptrace/ptrace-hwbreak.c |  79 +++
 .../powerpc/ptrace/ptrace-perf-hwbreak.c      | 659 ++++++++++++++++++
 5 files changed, 1330 insertions(+), 42 deletions(-)
 create mode 100644 tools/testing/selftests/powerpc/ptrace/ptrace-perf-hwbreak.c

-- 
2.27.0