On 11.07.2025 05:51, Penny Zheng wrote:
> --- a/xen/drivers/acpi/pm-op.c
> +++ b/xen/drivers/acpi/pm-op.c
> @@ -152,7 +152,15 @@ static int get_cpufreq_para(struct xen_sysctl_pm_op *op)
> else
> strlcpy(op->u.get_para.scaling_driver, "Unknown", CPUFREQ_NAME_LEN);
>
> -ret = get_
When cpufreq driver in cppc passive mode, it has both cppc and governor
info. We need to invoke two sysctl sub-ops ("get-cpufreq-cppc" and
"get-cpufreq-para") to produce both info.
A new helper cpufreq_in_cppc_passive_mode() is introduced to tell whether
cpufreq driver supports cppc passive mode.
