[PATCH RFC memory-model 0/33] LKMM updates for review

From: Paul E. McKenney
Date: Thu May 30 2019 - 10:45:46 EST


Hello!

This series contains LKMM updates:

1-3. Add plain C-language accesses to the model, including data-race
detection, courtesy of Alan Stern.

4. Make scripts be executable.

5. Explain ordering provided by smp_mb__{before,after}_atomic(),
courtesy of Alan Stern.

6. Fix comment in MP+poonceonces.litmus, courtesy of Andrea Parri.

7. Make documentation referencing "herd" instead reference the
actual name of the command, "herd7", courtesy of Andrea Parri.

8-9. Make LKMM scripts note timeouts instead of just saying that
the validation was bad.

10. Make LKMM scripts identify litmus-test typos and use of
unsupported primitives instead of just saying that the validation
was bad.

11. Make LKMM scripts detect unconditional deadlocks.

12. Fix email address on LKMM scripts.

13-33. Leverage Boqun Feng's C-to-assembly litmus-test-translation
capability to allow verifying LKMM against hardware models for
checkalllitmus.sh. This is a work in progress.

Thanx, Paul

------------------------------------------------------------------------

Documentation/atomic_t.txt | 17 +-
tools/memory-model/linux-kernel.bell | 6
tools/memory-model/linux-kernel.cat | 82 ++++++++--
tools/memory-model/linux-kernel.def | 1
tools/memory-model/litmus-tests/.gitignore | 4
tools/memory-model/litmus-tests/MP+poonceonces.litmus | 2
tools/memory-model/litmus-tests/README | 2
tools/memory-model/lock.cat | 2
tools/memory-model/scripts/README | 20 +-
tools/memory-model/scripts/checkalllitmus.sh | 31 +--
tools/memory-model/scripts/checkghlitmus.sh | 11 -
tools/memory-model/scripts/checklitmus.sh | 103 +++++--------
tools/memory-model/scripts/checklitmushist.sh | 2
tools/memory-model/scripts/checktheselitmus.sh | 43 +++++
tools/memory-model/scripts/cmplitmushist.sh | 53 ++++++
tools/memory-model/scripts/hwfnseg.sh | 20 ++
tools/memory-model/scripts/initlitmushist.sh | 2
tools/memory-model/scripts/judgelitmus.sh | 136 +++++++++++++----
tools/memory-model/scripts/newlitmushist.sh | 4
tools/memory-model/scripts/parseargs.sh | 23 ++
tools/memory-model/scripts/runlitmus.sh | 142 ++++++++++++++----
tools/memory-model/scripts/runlitmushist.sh | 32 ++--
tools/memory-model/scripts/simpletest.sh | 35 ++++
23 files changed, 573 insertions(+), 200 deletions(-)