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Mark Johnston 323226829a rtld-elf: Avoid unnecessary lock_restart_for_upgrade() calls 
In order to atomically upgrade the rtld bind lock, load_filtees() may
trigger a longjmp back to _rtld_bind() so that the binding can be done
with the write lock held.  However, the write lock is only needed when
filtee objects haven't already been loaded, so move the
lock_restart_for_upgrade() call to avoid unnecessary lock upgrades when
a filtee is defined.

Reviewed by:	kib
Tested by:	brooks
MFC after:	1 week
Sponsored by:	Innovate UK

(cherry picked from commit e7951d0b04e6464b37264b8166b1e9ce368a9f1d)
2024-02-09 09:55:56 -05:00
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rtld-elf rtld-elf: Avoid unnecessary lock_restart_for_upgrade() calls 2024-02-09 09:55:56 -05:00
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Makefile crashinfo: Print stack traces for all on-CPU threads 2024-02-09 09:55:45 -05:00
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