CVS commit: src/sys/kern

["Mindaugas Rasiukevicius" <rmind%netbsd.org@localhost>]

Module Name:    src
Committed By:   rmind
Date:           Sun Mar 20 23:19:16 UTC 2011

Modified Files:
        src/sys/kern: kern_lwp.c kern_mutex.c kern_rwlock.c

Log Message:
Optimise mutex_onproc() and rw_onproc() by making them O(1), instead
of O(ncpu) for adaptive paths.  Add an LWP destructor, lwp_dtor() with
a comment describing the principle of this barrier.

Reviewed by yamt@ and ad@.


To generate a diff of this commit:
cvs rdiff -u -r1.156 -r1.157 src/sys/kern/kern_lwp.c
cvs rdiff -u -r1.49 -r1.50 src/sys/kern/kern_mutex.c
cvs rdiff -u -r1.36 -r1.37 src/sys/kern/kern_rwlock.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.