Re: [PATCH v3 6/7] sched/topology: Introduce SD metaflag for flags needing > 1 groups

[Peter Zijlstra]

On Wed, Jul 01, 2020 at 08:06:54PM +0100, Valentin Schneider wrote:
> +/* Generate a mask of SD flags with the SDF_NEEDS_GROUPS metaflag */
> +#define SD_FLAG(name, idx, mflags) (BIT(idx) * (((mflags) & SDF_NEEDS_GROUPS) / SDF_NEEDS_GROUPS)) |

#define SD_FLAGS(name, idx, mflags) (!!((mflags) & SDF_NEEDS_GROUPS) * BIT(idx))

> +static const int SD_DEGENERATE_GROUPS_MASK =
> +#include<linux/sched/sd_flags.h>
> +0;
> +#undef SD_FLAG
> +
>  #ifdef CONFIG_SCHED_DEBUG
>  #define SD_FLAG(_name, idx, mflags) [idx] = {.meta_flags = mflags, .name = #_name},
>  static const struct {
> -- 
> 2.27.0
>