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postgresql/src/include/storage
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Nathan Bossart 3d0b4b1068 Use a non-locking initial test in TAS_SPIN on AArch64. 
Our testing showed that this is helpful at sufficiently high
contention levels and doesn't hurt performance on smaller machines.
The new TAS_SPIN macro for AArch64 is identical to the ones added
for PPC and x86_64 (see commits bc2a050d40 and b03d196be0).

Reported-by: Salvatore Dipietro
Reviewed-by: Jingtang Zhang, Andres Freund
Tested-by: Tom Lane
Discussion: https://postgr.es/m/ZxgDEb_VpWyNZKB_%40nathan
2025-01-10 13:18:04 -06:00
..
.gitignore
When trace_lwlocks is used, identify individual lwlocks by name.
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barrier.h
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block.h
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buf_internals.h
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buf.h
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buffile.h
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bufmgr.h
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bufpage.h
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bulk_write.h
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checksum_impl.h
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checksum.h
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condition_variable.h
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copydir.h
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dsm_impl.h
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dsm_registry.h
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dsm.h
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fd.h
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fileset.h
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freespace.h
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fsm_internals.h
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indexfsm.h
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ipc.h
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item.h
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itemid.h
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itemptr.h
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large_object.h
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latch.h
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lmgr.h
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lock.h
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lockdefs.h
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lwlock.h
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lwlocklist.h
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md.h
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meson.build
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off.h
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pg_sema.h
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pg_shmem.h
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pmsignal.h
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predicate_internals.h
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predicate.h
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proc.h
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procarray.h
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proclist_types.h
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proclist.h
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procnumber.h
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procsignal.h
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read_stream.h
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reinit.h
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relfilelocator.h
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s_lock.h
Use a non-locking initial test in TAS_SPIN on AArch64.
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sharedfileset.h
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shm_mq.h
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shm_toc.h
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shmem.h
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sinval.h
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sinvaladt.h
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smgr.h
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spin.h
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standby.h
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standbydefs.h
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sync.h
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