Date: Tue, 30 Sep 2003 22:53:07 -0700 (PDT) From: Warner Losh <imp@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 38953 for review Message-ID: <200310010553.h915r7VL064073@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=38953 Change 38953 by imp@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. */
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