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tcwg-buildslave pushed a change to branch linaro-local/ci/tcwg_gnu_native_check_gcc/master-aarch64 in repository toolchain/ci/glibc.

from a2a6bce7d7 Linux: Implement a useful version of _startup_fatal adds 8162147872 nptl: Add backoff mechanism to spinlock loop

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Summary of changes: nptl/pthread_mutex_lock.c | 16 ++++++++++++-- sysdeps/nptl/pthreadP.h | 1 + .../nptl/pthread_mutex_backoff.h | 25 ++++++++++++---------- .../x86_64/nptl/pthread_mutex_backoff.h | 24 +++++++++++++++------ 4 files changed, 46 insertions(+), 20 deletions(-) copy libio/tst-bz28828.c => sysdeps/nptl/pthread_mutex_backoff.h (69%) copy elf/tst-auditmod24.h => sysdeps/x86_64/nptl/pthread_mutex_backoff.h (63%)