Messages in this thread Patch in this message | | | Subject | Re: [PATCH v8 04/13] arm64/acpi: Create arch specific cpu to acpi id helper | From | Sudeep Holla <> | Date | Thu, 26 Apr 2018 11:27:01 +0100 |
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On 26/04/18 00:31, Jeremy Linton wrote: > Its helpful to be able to lookup the acpi_processor_id associated > with a logical cpu. Provide an arm64 helper to do this. >
As I pointed out in the earlier version, this patch is not required. The acpi_id stored in the acpi_processor can be used for this. Won't the below change make it work ? I can't think of any reason why it shouldn't.
Regards, Sudeep
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diff --git i/drivers/acpi/pptt.c w/drivers/acpi/pptt.c index 0fc4b2654665..f421f58b4ae6 100644 --- i/drivers/acpi/pptt.c +++ w/drivers/acpi/pptt.c @@ -432,7 +432,7 @@ static void cache_setup_acpi_cpu(struct acpi_table_header *table, { struct acpi_pptt_cache *found_cache; struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu); - u32 acpi_cpu_id = get_acpi_id_for_cpu(cpu); + u32 acpi_cpu_id = per_cpu(processors, cpu)->acpi_id; struct cacheinfo *this_leaf; unsigned int index = 0; struct acpi_pptt_processor *cpu_node = NULL;
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