CVS commit: src/sys/kern

[Andrew Doran <ad%netbsd.org@localhost>]

Module Name:    src
Committed By:   ad
Date:           Sun May 25 23:46:55 UTC 2008

Modified Files:
        src/sys/kern: kern_runq.c

Log Message:
PR kern/38707 scheduler related deadlock during build.sh

Fail sched_catchlwp() if mutex_tryenter() on the remote CPU's state fails.
Seems to work around the issue described in this PR.

XXX Stealing jobs from remote CPUs could probably be moved into the idle
loop, making the locking quite a bit simpler.


To generate a diff of this commit:
cvs rdiff -r1.8 -r1.9 src/sys/kern/kern_runq.c

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