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thread: Do not disable interrupts unnecessarily while initializing stack.
[pintos-anon]
/
src
/
threads
/
synch.h
diff --git
a/src/threads/synch.h
b/src/threads/synch.h
index 9e464e3876400f60fafbc44a105f859ffd4b6938..a19e88b181dff1208839ff890154aa69b299ce91 100644
(file)
--- 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.
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 */
#define barrier() asm volatile ("" : : : "memory")
#endif /* threads/synch.h */