Messages in this thread | | | Date | Wed, 17 Feb 2021 12:40:54 +0100 | From | Ingo Molnar <> | Subject | [GIT PULL] locking updates for v5.12 |
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Linus,
Please pull the latest locking/core git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking-core-2021-02-17
# HEAD: 3765d01bab73bdb920ef711203978f02cd26e4da Merge branch 'for-mingo-lkmm' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into locking/core
These are the v5.12 updates for the locking subsystem:
- Core locking primitives updates:
- Remove mutex_trylock_recursive() from the API - no users left - Simplify + constify the futex code a bit
- Lockdep updates:
- Teach lockdep about local_lock_t - Add CONFIG_DEBUG_IRQFLAGS=y debug config option to check for potentially unsafe IRQ mask restoration patterns. (I.e. calling raw_local_irq_restore() with IRQs enabled.) - Add wait context self-tests - Fix graph lock corner case corrupting internal data structures - Fix noinstr annotations
- LKMM updates:
- Simplify the litmus tests - Documentation fixes
- KCSAN updates:
- Re-enable KCSAN instrumentation in lib/random32.c
- Misc fixes:
- Don't branch-trace static label APIs - DocBook fix - Remove stale leftover empty file
Thanks,
Ingo
------------------> Akira Yokosawa (2): tools/memory-model: Remove redundant initialization in litmus tests tools/memory-model: Fix typo in klitmus7 compatibility table
Alejandro Colomar (1): futex: Change utime parameter to be 'const ... *'
Alex Shi (1): locking/rtmutex: Add missing kernel-doc markup
Boqun Feng (3): lockdep/selftest: Add wait context selftests locking/lockdep: Add a skip() function to __bfs() locking/lockdep: Exclude local_lock_t from IRQ inversions
Jangwoong Kim (1): futex: Remove unneeded gotos
Marco Elver (2): kcsan: Rewrite kcsan_prandom_u32_max() without prandom_u32_state() random32: Re-enable KCSAN instrumentation
Mark Rutland (1): lockdep: report broken irq restoration
Nikolay Borisov (1): locking/rwsem: Remove empty rwsem.h
Paul E. McKenney (1): tools/memory-model: Tie acquire loads to reads-from
Peter Zijlstra (7): locking/selftests: More granular debug_locks_verbose locking/lockdep: Mark local_lock_t locking/lockdep: Clean up check_redundant() a bit locking/selftests: Add local_lock inversion tests locking: Add Reviewers locking/lockdep: Avoid unmatched unlock lockdep: Noinstr annotate warn_bogus_irq_restore()
Sebastian Andrzej Siewior (2): locking/mutex: Kill mutex_trylock_recursive() checkpatch: Don't check for mutex_trylock_recursive()
Steven Rostedt (VMware) (1): jump_label: Do not profile branch annotations
Sven Schnelle (1): s390: Use arch_local_irq_{save,restore}() in early boot code
Documentation/admin-guide/kernel-parameters.txt | 11 +- MAINTAINERS | 2 + drivers/s390/char/sclp_early_core.c | 4 +- include/linux/compiler.h | 2 + include/linux/irqflags.h | 12 + include/linux/jump_label.h | 12 +- include/linux/local_lock_internal.h | 5 +- include/linux/lockdep.h | 15 +- include/linux/lockdep_types.h | 18 +- include/linux/mutex.h | 25 -- include/linux/syscalls.h | 8 +- kernel/futex.c | 13 +- kernel/kcsan/core.c | 26 +- kernel/locking/Makefile | 1 + kernel/locking/irqflag-debug.c | 13 + kernel/locking/lockdep.c | 186 ++++++++---- kernel/locking/mutex.c | 10 - kernel/locking/rtmutex.c | 17 +- kernel/locking/rwsem.h | 0 lib/Kconfig.debug | 8 + lib/Makefile | 3 - lib/locking-selftest.c | 334 ++++++++++++++++++++- scripts/checkpatch.pl | 6 - tools/memory-model/Documentation/glossary.txt | 12 +- tools/memory-model/README | 2 +- .../litmus-tests/CoRR+poonceonce+Once.litmus | 4 +- .../litmus-tests/CoRW+poonceonce+Once.litmus | 4 +- .../litmus-tests/CoWR+poonceonce+Once.litmus | 4 +- .../litmus-tests/CoWW+poonceonce.litmus | 4 +- .../IRIW+fencembonceonces+OnceOnce.litmus | 5 +- .../litmus-tests/IRIW+poonceonces+OnceOnce.litmus | 5 +- .../ISA2+pooncelock+pooncelock+pombonce.litmus | 7 +- .../litmus-tests/ISA2+poonceonces.litmus | 6 +- ...cerelease+poacquirerelease+poacquireonce.litmus | 6 +- .../LB+fencembonceonce+ctrlonceonce.litmus | 5 +- .../LB+poacquireonce+pooncerelease.litmus | 5 +- .../litmus-tests/LB+poonceonces.litmus | 5 +- .../MP+fencewmbonceonce+fencermbonceonce.litmus | 5 +- .../litmus-tests/MP+onceassign+derefonce.litmus | 4 +- .../MP+polockmbonce+poacquiresilsil.litmus | 5 +- .../MP+polockonce+poacquiresilsil.litmus | 5 +- tools/memory-model/litmus-tests/MP+polocks.litmus | 6 +- .../litmus-tests/MP+poonceonces.litmus | 5 +- .../MP+pooncerelease+poacquireonce.litmus | 5 +- .../memory-model/litmus-tests/MP+porevlocks.litmus | 6 +- .../litmus-tests/R+fencembonceonces.litmus | 5 +- .../memory-model/litmus-tests/R+poonceonces.litmus | 5 +- .../S+fencewmbonceonce+poacquireonce.litmus | 5 +- .../memory-model/litmus-tests/S+poonceonces.litmus | 5 +- .../litmus-tests/SB+fencembonceonces.litmus | 5 +- .../litmus-tests/SB+poonceonces.litmus | 5 +- .../litmus-tests/SB+rfionceonce-poonceonces.litmus | 5 +- .../litmus-tests/WRC+poonceonces+Once.litmus | 5 +- .../WRC+pooncerelease+fencermbonceonce+Once.litmus | 5 +- .../Z6.0+pooncelock+poonceLock+pombonce.litmus | 7 +- .../Z6.0+pooncelock+pooncelock+pombonce.litmus | 7 +- ...release+poacquirerelease+fencembonceonce.litmus | 6 +- 57 files changed, 617 insertions(+), 294 deletions(-) create mode 100644 kernel/locking/irqflag-debug.c delete mode 100644 kernel/locking/rwsem.h
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