Re: [PATCH v2] refcount: Create unchecked atomic_t implementation

[Manfred Spraul <manfred@xxxxxxxxxxxxxxxx>]

Hi Davidlohr,

On 06/08/2017 10:09 PM, Davidlohr Bueso wrote:
> Yes, this would be a prerequisite for ipc; which I initially thought 
> didn't
> take a performance hit.
Did you see a regression for ipc?

The fast paths don't use the refcount, it is only used for rare situations:
- GETALL, SETALL for large arrays
- alloc undo

--
    Manfred