On Thu, 07 Dec 2017 17:06:02 +0000, Christoffer Dall wrote: > > The debug save/restore functions can be improved by using the has_vhe() > static key instead of the instruction alternative. Using the static key > uses the same paradigm as we're going to use elsewhere, it makes the > code more readable, and it generates slightly better code (no > stack setups and function calls unless necessary). > > We also use a static key on the restore path, because it will be > marginally faster than loading a value from memory. > > Finally, we don't have to conditionally clear the debug dirty flag if > it's set, we can just clear it. > > Signed-off-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx> Reviewed-by: Marc Zyngier <marc.zyngier@xxxxxxx> M. -- Jazz is not dead, it just smell funny.
