Messages in this thread | | | Subject | Re: [PATCH 2/6] locking: Introduce range reader/writer lock | From | Laurent Dufour <> | Date | Thu, 13 Apr 2017 10:07:48 +0200 |
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On 06/04/2017 18:50, Davidlohr Bueso wrote: > On Thu, 06 Apr 2017, Laurent Dufour wrote: > >> How is 'seqnum' wrapping handled here ? >> I'd rather see something like time_before() here, isn't it ? > > Its a 64bit counter, no overflows.
I should have miss something, what prevents this 64bit counter to not overflow ? At some point of time, this counter could reach ~0UL and then 0UL, which is breaking this check.
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