Messages in this thread Patch in this message | | | From | Sudeep Holla <> | Subject | [PATCH v4 13/20] arch_topology: Check for non-negative value rather than -1 for IDs validity | Date | Tue, 21 Jun 2022 20:20:27 +0100 |
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Instead of just comparing the cpu topology IDs with -1 to check their validity, improve that by checking for a valid non-negative value.
Reviewed-by: Gavin Shan <gshan@redhat.com> Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> --- drivers/base/arch_topology.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c index 7a5ff1ea5f00..ef90d9c00d9e 100644 --- a/drivers/base/arch_topology.c +++ b/drivers/base/arch_topology.c @@ -642,7 +642,7 @@ 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].package_id == -1) + if (cpu_topology[cpu].package_id < 0) ret = -EINVAL; out_map: @@ -714,7 +714,7 @@ void update_siblings_masks(unsigned int cpuid) if (cpuid_topo->cluster_id != cpu_topo->cluster_id) continue; - if (cpuid_topo->cluster_id != -1) { + if (cpuid_topo->cluster_id >= 0) { cpumask_set_cpu(cpu, &cpuid_topo->cluster_sibling); cpumask_set_cpu(cpuid, &cpu_topo->cluster_sibling); } -- 2.36.1
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