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2 Commits
Author SHA1 Message Date
cocoa55andClaude Opus 5.5 32abcb15a0 fix(libkernel): try a mutex once before its spin and yield budget 
FreeBSD's mutex_lock_common tries the lock before mutex_lock_sleep
spins or yields, so a free mutex with yield loops and no spins was
yielding before its first try here.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
 2026-10-30 15:30:54 -04:00
cocoa55andClaude Opus 5.5 9a7acb3677 fix(libkernel): spin and yield by the mutex spin and yield loop counts 
Lock and timed lock now try the mutex up to the spin count with a pause
between tries, then up to the yield count with a yield before each try,
before they block, as FreeBSD 11.4's mutex_lock_sleep does. Trylock and
a lock the thread already holds do not spin. A uniprocessor host skips
the spins and keeps the yields.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
 2026-10-30 13:56:31 -04:00