5 commits

Author	SHA1	Message	Date
Robert Morris	020c8e2384	use acquire/release to force order for pid=np->pid;np->state=RUNNING ... for bug reported by symingz@gmail.com and cs1100254@cse.iitd.ernet.in	2014-08-04 06:13:49 -04:00
Russ Cox	00e571155c	more doc tweaks	2009-07-12 18:33:37 -07:00
rsc	c2258bf4d2	fork minibug	2007-11-28 20:47:22 +00:00
rsc	943fd378a1	Incorporate new understanding of/with Intel SMP spec. ... Dropped cmpxchg in favor of xchg, to match lecture notes. Use xchg to release lock, for future protection and to keep gcc from acting clever.	2007-10-01 20:43:15 +00:00
rsc	c840f3ecdc	tricks	2007-09-30 14:20:47 +00:00