Messages in this thread | | | Date | Fri, 8 Apr 2016 13:02:32 +0200 | From | Peter Zijlstra <> | Subject | Re: [RFC PATCH 0/3] restartable sequences v2: fast user-space percpu critical sections |
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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.
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