Re: [PATCH v4 05/10] sched/topology: Define and assign sched_domain flag metadata

From: peterz
Date: Tue Aug 04 2020 - 07:16:28 EST


On Fri, Jul 31, 2020 at 12:54:57PM +0100, Valentin Schneider wrote:
> +/*
> + * Domain members share CPU capacity (i.e. SMT)
> + *
> + * SHARED_CHILD: Set from the base domain up until spanned CPUs no longer share
> + * CPU capacity.
> + */
> +SD_FLAG(SD_SHARE_CPUCAPACITY, 6, SDF_SHARED_CHILD)
> +
> +/*
> + * Domain members share CPU package resources (i.e. caches)
> + *
> + * SHARED_CHILD: Set from the base domain up until spanned CPUs no longer share
> + * the same cache(s).
> + */
> +SD_FLAG(SD_SHARE_PKG_RESOURCES, 7, SDF_SHARED_CHILD)

We should probably rename these to SD_SHARE_CORE / SD_SHARE_CACHE or
something, but let me first go through this series (and hopefully apply)
before we go make more changes.


.. onwards!