Messages in this thread | | | Date | Wed, 14 Jul 2021 10:03:53 +0100 | From | Sudeep Holla <> | Subject | Re: [PATCH v2] cacheinfo: clear cache_leaves(cpu) in free_cache_attributes() |
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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@arm.com>
-- Regards, Sudeep
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