[PATCH v5 1/3] arm64: topology: Set scale freq source only for the CPUs that have not been set before
Jie Zhan
zhanjie9 at hisilicon.com
Fri Aug 29 21:08:20 PDT 2025
On 19/08/2025 15:29, Lifeng Zheng wrote:
> The scale freq source of the CPUs in 'amu_fie_cpus' mask are already set to
> AMU tick before, so in amu_fie_setup(), only the CPUs in the 'cpus' mask
> should be set.
>
LGTM.
Reviewed-by: Jie Zhan <zhanjie9 at hisilicon.com>
> Signed-off-by: Lifeng Zheng <zhenglifeng1 at huawei.com>
> ---
> arch/arm64/kernel/topology.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/kernel/topology.c b/arch/arm64/kernel/topology.c
> index 5d07ee85bdae..9317a618bb87 100644
> --- a/arch/arm64/kernel/topology.c
> +++ b/arch/arm64/kernel/topology.c
> @@ -373,7 +373,7 @@ static void amu_fie_setup(const struct cpumask *cpus)
>
> cpumask_or(amu_fie_cpus, amu_fie_cpus, cpus);
>
> - topology_set_scale_freq_source(&amu_sfd, amu_fie_cpus);
> + topology_set_scale_freq_source(&amu_sfd, cpus);
>
> pr_debug("CPUs[%*pbl]: counters will be used for FIE.",
> cpumask_pr_args(cpus));
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