[Linuxarm] Re: [RFC PATCH v4 3/3] scheduler: Add cluster scheduler level for x86

On 3/15/21 2:17 PM, Song Bao Hua (Barry Song) wrote:

Yes. This is one of the needs. The other one is that [RFC PATCH v4 2/3] scheduler: add scheduler level for clusters depends on a valid cpu_cluster_mask()

+#if defined(CONFIG_SCHED_CLUSTER) && !defined(cpu_cluster_mask) +static inline const struct cpumask *cpu_cluster_mask(int cpu) +{ + return topology_cluster_cpumask(cpu); +} +#endif

Is x86's code able to return a valid cluster mask?

Okay, need to redefine the topology_cluster_cpumask to cpu_clustergroup_mask in x86 for the correct mask. Will update my patch. Tim