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authorJeremy Linton <jeremy.linton@arm.com>2018-05-11 18:58:04 -0500
committerCatalin Marinas <catalin.marinas@arm.com>2018-05-17 17:28:09 +0100
commit868abc07680c2c8b7f85ae883f9f1b90bf4ef4bf (patch)
tree3c8dc1a639360f5f3e6858a09e88ca275d6ea7d8 /arch/arm64/kernel/topology.c
parent8571890e1513bc6768495b6541fb8064e046a61c (diff)
arm64: topology: rename cluster_id
The cluster concept isn't architecturally defined for arm64. Lets match the name of the arm64 topology field to the kernel macro that uses it. Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Tested-by: Vijaya Kumar K <vkilari@codeaurora.org> Tested-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> Tested-by: Tomasz Nowicki <Tomasz.Nowicki@cavium.com> Acked-by: Sudeep Holla <sudeep.holla@arm.com> Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Acked-by: Morten Rasmussen <morten.rasmussen@arm.com> Signed-off-by: Jeremy Linton <jeremy.linton@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/kernel/topology.c')
-rw-r--r--arch/arm64/kernel/topology.c26
1 files changed, 13 insertions, 13 deletions
diff --git a/arch/arm64/kernel/topology.c b/arch/arm64/kernel/topology.c
index 21868530018e..dc18b1e53194 100644
--- a/arch/arm64/kernel/topology.c
+++ b/arch/arm64/kernel/topology.c
@@ -47,7 +47,7 @@ static int __init get_cpu_for_node(struct device_node *node)
return cpu;
}
-static int __init parse_core(struct device_node *core, int cluster_id,
+static int __init parse_core(struct device_node *core, int package_id,
int core_id)
{
char name[10];
@@ -63,7 +63,7 @@ static int __init parse_core(struct device_node *core, int cluster_id,
leaf = false;
cpu = get_cpu_for_node(t);
if (cpu >= 0) {
- cpu_topology[cpu].cluster_id = cluster_id;
+ cpu_topology[cpu].package_id = package_id;
cpu_topology[cpu].core_id = core_id;
cpu_topology[cpu].thread_id = i;
} else {
@@ -85,7 +85,7 @@ static int __init parse_core(struct device_node *core, int cluster_id,
return -EINVAL;
}
- cpu_topology[cpu].cluster_id = cluster_id;
+ cpu_topology[cpu].package_id = package_id;
cpu_topology[cpu].core_id = core_id;
} else if (leaf) {
pr_err("%pOF: Can't get CPU for leaf core\n", core);
@@ -101,7 +101,7 @@ static int __init parse_cluster(struct device_node *cluster, int depth)
bool leaf = true;
bool has_cores = false;
struct device_node *c;
- static int cluster_id __initdata;
+ static int package_id __initdata;
int core_id = 0;
int i, ret;
@@ -140,7 +140,7 @@ static int __init parse_cluster(struct device_node *cluster, int depth)
}
if (leaf) {
- ret = parse_core(c, cluster_id, core_id++);
+ ret = parse_core(c, package_id, core_id++);
} else {
pr_err("%pOF: Non-leaf cluster with core %s\n",
cluster, name);
@@ -158,7 +158,7 @@ static int __init parse_cluster(struct device_node *cluster, int depth)
pr_warn("%pOF: empty cluster\n", cluster);
if (leaf)
- cluster_id++;
+ package_id++;
return 0;
}
@@ -194,7 +194,7 @@ static int __init parse_dt_topology(void)
* only mark cores described in the DT as possible.
*/
for_each_possible_cpu(cpu)
- if (cpu_topology[cpu].cluster_id == -1)
+ if (cpu_topology[cpu].package_id == -1)
ret = -EINVAL;
out_map:
@@ -224,7 +224,7 @@ static void update_siblings_masks(unsigned int cpuid)
for_each_possible_cpu(cpu) {
cpu_topo = &cpu_topology[cpu];
- if (cpuid_topo->cluster_id != cpu_topo->cluster_id)
+ if (cpuid_topo->package_id != cpu_topo->package_id)
continue;
cpumask_set_cpu(cpuid, &cpu_topo->core_sibling);
@@ -245,7 +245,7 @@ void store_cpu_topology(unsigned int cpuid)
struct cpu_topology *cpuid_topo = &cpu_topology[cpuid];
u64 mpidr;
- if (cpuid_topo->cluster_id != -1)
+ if (cpuid_topo->package_id != -1)
goto topology_populated;
mpidr = read_cpuid_mpidr();
@@ -259,19 +259,19 @@ void store_cpu_topology(unsigned int cpuid)
/* Multiprocessor system : Multi-threads per core */
cpuid_topo->thread_id = MPIDR_AFFINITY_LEVEL(mpidr, 0);
cpuid_topo->core_id = MPIDR_AFFINITY_LEVEL(mpidr, 1);
- cpuid_topo->cluster_id = MPIDR_AFFINITY_LEVEL(mpidr, 2) |
+ cpuid_topo->package_id = MPIDR_AFFINITY_LEVEL(mpidr, 2) |
MPIDR_AFFINITY_LEVEL(mpidr, 3) << 8;
} else {
/* Multiprocessor system : Single-thread per core */
cpuid_topo->thread_id = -1;
cpuid_topo->core_id = MPIDR_AFFINITY_LEVEL(mpidr, 0);
- cpuid_topo->cluster_id = MPIDR_AFFINITY_LEVEL(mpidr, 1) |
+ cpuid_topo->package_id = MPIDR_AFFINITY_LEVEL(mpidr, 1) |
MPIDR_AFFINITY_LEVEL(mpidr, 2) << 8 |
MPIDR_AFFINITY_LEVEL(mpidr, 3) << 16;
}
pr_debug("CPU%u: cluster %d core %d thread %d mpidr %#016llx\n",
- cpuid, cpuid_topo->cluster_id, cpuid_topo->core_id,
+ cpuid, cpuid_topo->package_id, cpuid_topo->core_id,
cpuid_topo->thread_id, mpidr);
topology_populated:
@@ -287,7 +287,7 @@ static void __init reset_cpu_topology(void)
cpu_topo->thread_id = -1;
cpu_topo->core_id = 0;
- cpu_topo->cluster_id = -1;
+ cpu_topo->package_id = -1;
cpumask_clear(&cpu_topo->core_sibling);
cpumask_set_cpu(cpu, &cpu_topo->core_sibling);