What is the reel purpose of in_beXX() and out_beXX() fonctions ?
benh at kernel.crashing.org
Tue Oct 28 08:11:26 AEDT 2014
On Mon, 2014-10-27 at 15:05 +0000, David Laight wrote:
> Unfortunately the functions sometimes contain additional (often
> 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)
More information about the Linuxppc-dev