[PATCH v4 2/6] arch_topology: drop the use of cpu_node in the pr_info
Alireza Sanaee
alireza.sanaee at huawei.com
Tue Nov 11 07:00:33 PST 2025
On Fri, 5 Sep 2025 17:18:25 +0100
Alireza Sanaee <alireza.sanaee at huawei.com> wrote:
Hi everyone,
+CC Sudeep.
I checked the patchset related to this patch and it still applies.
Just a reminder if case you think it is ready.
Thanks,
Alireza
> Remove the use of cpu_node in the pr_info(). When of_cpu_node_to_id() fails,
> it may set a pointer, cpu_node, and the get_cpu_for_node() function uses that
> pointer to log further in the fail scenario.
>
> Also, change the structure to exit early in fail scenarios which will
> help enabling code unification that follows in this series.
>
> Reviewed-by: Jonathan Cameron <jonathan.cameron at huawei.com>
> Signed-off-by: Alireza Sanaee <alireza.sanaee at huawei.com>
> ---
> drivers/base/arch_topology.c | 11 ++++++-----
> 1 file changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c
> index 1037169abb45..6fafd86f608a 100644
> --- a/drivers/base/arch_topology.c
> +++ b/drivers/base/arch_topology.c
> @@ -481,12 +481,13 @@ static int __init get_cpu_for_node(struct device_node *node)
> return -1;
>
> cpu = of_cpu_node_to_id(cpu_node);
> - if (cpu >= 0)
> - topology_parse_cpu_capacity(cpu_node, cpu);
> - else
> - pr_info("CPU node for %pOF exist but the possible cpu range is :%*pbl\n",
> - cpu_node, cpumask_pr_args(cpu_possible_mask));
> + if (cpu < 0) {
> + pr_info("CPU node exist but the possible cpu range is :%*pbl\n",
> + cpumask_pr_args(cpu_possible_mask));
> + return cpu;
> + }
>
> + topology_parse_cpu_capacity(cpu_node, cpu);
> return cpu;
> }
>
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