PERFORCE change 38953 for review

[Warner Losh]

http://perforce.freebsd.org/chv.cgi?CH=38953

Change 38953 by imp at imp_koguchi on 2003/09/30 22:52:38

	Document that in FreeBSD 5 the callout wheel locking precludes
	the race documented here as race #3.

Affected files ...

.. //depot/doc/strawman-driver.c#9 edit

Differences ...

==== //depot/doc/strawman-driver.c#9 (text+ko) ====

@@ -144,4 +144,7 @@
  * we can't tell if the code has finished executing or not.  This
  * means that if the code is executing and we try to unload the page
  * that is executing, then we've set ourselves up for a crash.
+ *
+ * However, given how FreeBSD 5 locks the callout code, the race can
+ * never be lost.
  */