CVSROOT: /cvs Module name: src Changes by: m...@cvs.openbsd.org 2017/10/12 03:19:45
Modified files: sys/kern : kern_rwlock.c Log message: Use a temporary variable in rw_status() to dereference only once the volatile member of the struct. Not forcing a memory read on every access, 3 in this function, might reduce cache traffic in some cases. Micro-optimization and diff provided by Mateusz Guzik. ok visa@