Re: [PATCH v2] refcount: Create unchecked atomic_t implementation
From: Manfred Spraul
Date: Fri Jun 09 2017 - 00:24:20 EST
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