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Date: Tue, 24 Apr 2018 12:07:09 +0100
From: Bruce Richardson <bruce.richardson@intel.com>
To: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>
Cc: Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>,
 Brijesh Singh <brijesh.s.singh@gmail.com>,
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Subject: Re: [dpdk-dev] rte_hash thread safe
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On Tue, Apr 24, 2018 at 11:03:42AM +0000, Ananyev, Konstantin wrote:
> 
> 
> > 
> > A gentle reminder,
> > 
> > I am curious to know if/how rte_hash is thread safe for lookups.It is not obvious to me how following code is thread safe:
> 
> I don't think it is really thread-safe: you can't do lookup and add/delete simultaneously from different threads.
> Some extra synchronization would be needed.
> Konstantin
> 
This notice may be a left-over from older versions. I believe in the past,
the hash library used to be safe to have add/delete and lookup in parallel,
but it certainly appears to be no longer the case.

/Bruce