Re: [PATCH v2] cacheinfo: clear cache_leaves(cpu) in free_cache_attributes()

[Sudeep Holla]

On Wed, Jul 14, 2021 at 09:32:55AM +0800, Xiongfeng Wang wrote:
> On ARM64, when PPTT(Processor Properties Topology Table) is not
> implemented in ACPI boot, we will goto 'free_ci' with the following
> print:
>   Unable to detect cache hierarchy for CPU 0
>
> But some other codes may still use 'num_leaves' to iterate through the
> 'info_list', such as get_cpu_cacheinfo_id(). If 'info_list' is NULL , it
> would crash. So clear 'num_leaves' in free_cache_attributes().
>

Reviewed-by: Sudeep Holla <sudeep.holla@xxxxxxx>

--
Regards,
Sudeep