From: Ben Pfaff Date: Sat, 11 Nov 2006 14:44:42 +0000 (+0000) Subject: Add comment. X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?p=pintos-anon;a=commitdiff_plain;h=922af9ed1bd72fbf4a4c77ab6ddde78a7b6c3e97 Add comment. --- diff --git a/src/threads/synch.h b/src/threads/synch.h index 9e464e3..a19e88b 100644 --- a/src/threads/synch.h +++ b/src/threads/synch.h @@ -44,7 +44,8 @@ void cond_broadcast (struct condition *, struct lock *); /* Optimization barrier. The compiler will not reorder operations across an - optimization barrier. */ + optimization barrier. See "Optimization Barriers" in the + reference guide for more information.*/ #define barrier() asm volatile ("" : : : "memory") #endif /* threads/synch.h */