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from 044755e2fa resolv: Fix building tst-resolv-invalid-cname for earlier C [...] new a2e259014f Avoid extra load with CAS in __pthread_mutex_lock_full [BZ #28537] new ed8300c054 Avoid extra load with CAS in __pthread_mutex_clocklock_commo [...] new a6b81f605d Add LLL_MUTEX_READ_LOCK [BZ #28537] new 6bcfbee727 Move assignment out of the CAS condition new 43760d33d7 nptl: Effectively skip CAS in spinlock loop new 04efdcfac4 sysdeps: Add 'get_fast_jitter' interace in fast-jitter.h new ea69248445 nptl: Add backoff mechanism to spinlock loop
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Summary of changes: nptl/pthread_mutex_lock.c | 33 ++++++++++++----- nptl/pthread_mutex_timedlock.c | 9 +++-- .../{pthread/sem_close.c => generic/fast-jitter.h} | 41 +++++++++++----------- sysdeps/nptl/pthreadP.h | 1 + .../nptl/pthread_mutex_backoff.h | 18 ++++++++-- .../x86_64/nptl/pthread_mutex_backoff.h | 24 +++++++++---- 6 files changed, 83 insertions(+), 43 deletions(-) copy sysdeps/{pthread/sem_close.c => generic/fast-jitter.h} (54%) copy elf/tst-audit23mod.c => sysdeps/nptl/pthread_mutex_backoff.h (69%) copy elf/tst-auditmod24.h => sysdeps/x86_64/nptl/pthread_mutex_backoff.h (63%)