cvs commit: src/sys/kern kern_spinlock.c

Sepherosa Ziehau sephe at
Sat May 3 21:50:17 PDT 2008

sephe       2008/05/03 21:48:47 PDT

DragonFly src repository

  Modified files:
    sys/kern             kern_spinlock.c 
  - Randomize spinlock exponential backoff value, which reduces the chance of
    serious spinlock contention (probably) caused by same backoff steps
  - Ktr spinlock backoff value and backoff failure
  - Under debug sysctl tree, add sysctl node for spinlock backoff limit
  - Break long lines
  Reviewed-by: dillon@
  Revision  Changes    Path
  1.12      +34 -5     src/sys/kern/kern_spinlock.c

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