Re: [PATCH] char random: fix boot id uniqueness race (v2)

[Eric Dumazet]

Le mercredi 15 fÃvrier 2012 Ã 08:35 -0500, Mathieu Desnoyers a Ãcrit :

> That would make sense, as long as we're OK about turning a read-mostly
> operation into a fully serialized operation that requires to exchange
> the lock between processor cache-lines. But as you point out, it should
> be fairly unfrequently used.
> 
> Any particular reason to use a spin lock rather than a mutex ? I did put
> a mutex in my implementation assuming that it would be a little more
> RT-friendly.

generate_random_uuid(uuid) is very fast and doesnt sleep.



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