From 798eb5b4d41b282f021afc90b5187e91fc731930 Mon Sep 17 00:00:00 2001 From: Sudeep Holla Date: Mon, 4 Jul 2022 11:15:55 +0100 Subject: [PATCH] arm64: topology: Remove redundant setting of llc_id in CPU topology Since the cacheinfo LLC information is used directly in arch_topology, there is no need to parse and fetch the LLC ID information only for ACPI systems. Just drop the redundant parsing and setting of llc_id in CPU topology from ACPI PPTT. Link: https://lore.kernel.org/r/20220704101605.1318280-12-sudeep.holla@arm.com Cc: Will Deacon Cc: Catalin Marinas Tested-by: Ionela Voinescu Tested-by: Conor Dooley Reviewed-by: Gavin Shan Acked-by: Catalin Marinas Signed-off-by: Sudeep Holla --- arch/arm64/kernel/topology.c | 14 -------------- 1 file changed, 14 deletions(-) diff --git a/arch/arm64/kernel/topology.c b/arch/arm64/kernel/topology.c index 9ab78ad826e2..869ffc4d4484 100644 --- a/arch/arm64/kernel/topology.c +++ b/arch/arm64/kernel/topology.c @@ -89,8 +89,6 @@ int __init parse_acpi_topology(void) return 0; for_each_possible_cpu(cpu) { - int i, cache_id; - topology_id = find_acpi_cpu_topology(cpu, 0); if (topology_id < 0) return topology_id; @@ -107,18 +105,6 @@ int __init parse_acpi_topology(void) cpu_topology[cpu].cluster_id = topology_id; topology_id = find_acpi_cpu_topology_package(cpu); cpu_topology[cpu].package_id = topology_id; - - i = acpi_find_last_cache_level(cpu); - - if (i > 0) { - /* - * this is the only part of cpu_topology that has - * a direct relationship with the cache topology - */ - cache_id = find_acpi_cpu_cache_topology(cpu, i); - if (cache_id > 0) - cpu_topology[cpu].llc_id = cache_id; - } } return 0;