K 10 svn:author V 7 davidxu K 8 svn:date V 27 2005-05-27T15:57:27.000000Z K 7 svn:log V 186 Remove thread_upcall_check, it was used to avoid race bug in earlier day's sleep queue code, today the bug no longer exists. please see 04/25/2004 freebsd-threads@ mailing list archive. END