On 31.07.24 23:33, Samuel Thibault wrote:
Juergen Gross, le mer. 31 juil. 2024 15:00:24 +0200, a ecrit:
+ptindex[lvl] = (va >> ptdata[lvl].shift) &
+ (ptdata[lvl].entries - 1);
It seems that this kind of va+lvl-to-index computation happens several
times? I
Juergen Gross, le mer. 31 juil. 2024 15:00:24 +0200, a ecrit:
> +ptindex[lvl] = (va >> ptdata[lvl].shift) &
> + (ptdata[lvl].entries - 1);
It seems that this kind of va+lvl-to-index computation happens several
times? It's probably worth making it a macro.
Sam
In x86 mm code there are multiple instances of page table walks for
different purposes.
Introduce a generic page table walker being able to cover the current
use cases. It will be used for other cases in future, too.
The page table walker needs some per-level data, so add a table for
that data. M
