Re: [PATCH v7 25/49] x86/resctrl: Make prefetch_disable_bits belong to the arch code

[Fenghua Yu]

On 2/28/25 11:58, James Morse wrote:
> prefetch_disable_bits is set by rdtgroup_locksetup_enter() from a
> value provided by the architecture, but is largely read by other
> architecture helpers.
>
> Make resctrl_arch_get_prefetch_disable_bits() set prefetch_disable_bits
> so that it can be isolated to arch-code from where the other arch-code
> helpers can use its cached-value.
>
> Signed-off-by: James Morse <james.morse@xxxxxxx>
> Tested-by: Carl Worth <carl@xxxxxxxxxxxxxxxxxxxxxx> # arm64
> Tested-by: Shaopeng Tan <tan.shaopeng@xxxxxxxxxxxxxx>
> Reviewed-by: Shaopeng Tan <tan.shaopeng@xxxxxxxxxxxxxx>
> Reviewed-by: Tony Luck <tony.luck@xxxxxxxxx>
> Reviewed-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>
Reviewed-by: Fenghua Yu <fenghuay@xxxxxxxxxx>


Thanks.


-Fenghua