On Thu, Apr 07, 2016 at 03:05:26PM -0700, Andy Lutomirski wrote: > It doesn't, which is what I like about my variant. If the thread > accesses the protected data structure, though, it should bump the > sequence count, which will cause the first thread to about when it > gets scheduled in.
Nope it won't, because that first thread is right at the commit instruction, nothing will stop it from executing that store and clobbing what we just wrote.