Re: What is the reel purpose of in_beXX() and out_beXX() fonctions ?
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2014-10-27 21:17:06
On Mon, 2014-10-27 at 15:05 +0000, David Laight wrote:
Unfortunately the functions sometimes contain additional (often unneeded) sequencing instructions - the driver may be able to perform multiple operations between the sequencing instructions.
That's in part why some folks are working on proper relaxed accessors (see Will Deacon's stuff) Cheers, Ben.