On Fri, Apr 12, 2024 at 05:08:01PM +0100, Sudeep Holla wrote:
> diff --git i/arch/riscv/kernel/cacheinfo.c w/arch/riscv/kernel/cacheinfo.c
> index 09e9b88110d1..92ab73ed5234 100644
> --- i/arch/riscv/kernel/cacheinfo.c
> +++ w/arch/riscv/kernel/cacheinfo.c
> @@ -79,6 +79,27 @@ int populate_cache_leaves(unsigned int cpu)
> struct device_node *prev = NULL;
> int levels = 1, level = 1;
>
> + if (!acpi_disabled) {
> + int ret, fw_levels, split_levels;
> +
> + ret = acpi_get_cache_info(cpu, &fw_levels, &split_levels);
> + if (ret)
> + return ret;
> +
> + /* must be set, so we can drop num_leaves assignment below */
> + this_cpu_ci->num_leaves = fw_levels + split_levels;
> +
> + for (idx = 0; level <= this_cpu_ci->num_levels &&
> + idx < this_cpu_ci->num_leaves; idx++, level++) {
> + if (level <= split_levels) {
> + ci_leaf_init(this_leaf++, CACHE_TYPE_DATA, level);
> + ci_leaf_init(this_leaf++, CACHE_TYPE_INST, level);
> + } else {
> + ci_leaf_init(this_leaf++, CACHE_TYPE_UNIFIED, level);
> + }
> + }
Ofcourse we need to add here,
return 0;
> + }
> +
> if (of_property_read_bool(np, "cache-size"))
> ci_leaf_init(this_leaf++, np, CACHE_TYPE_UNIFIED, level);
> if (of_property_read_bool(np, "i-cache-size"))
>
--
Regards,
Sudeep
