Re: [PATCH 1/3] xen/device-tree: Parse 'cpu-map' node for CPU topology exploration

[Jan Beulich <jbeulich@suse.com>]

On 10.06.2026 13:13, Hirokazu Takahashi wrote:
> --- /dev/null
> +++ b/xen/include/xen/cpu-topology.h

The name of the new file does not in any way ...

> @@ -0,0 +1,38 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +
> +#ifndef XEN_CPU_TOPOLOGY_H
> +#define XEN_CPU_TOPOLOGY_H
> +
> +#include <xen/types.h>
> +#include <xen/device_tree.h>
> +
> +struct cpu_topology {
> +    cpumask_t thread_sibling;
> +    cpumask_t core_sibling;
> +    cpumask_t cluster_sibling;
> +};
> +
> +
> +#ifdef CONFIG_DT_CPU_TOPOLOGY
> +
> +extern struct cpu_topology *cpu_topology;
> +void map_cpuid_to_node(unsigned int cpuid, struct dt_device_node *cpu_node);
> +void dt_init_cpu_topology(void);

... express this is all about DT stuff. Is this intentional? Else it
may want adjusting.

> +#elif CONFIG_DEVICE_TREE_PARSE

DYM "#elif defined(CONFIG_DEVICE_TREE_PARSE)"?

Jan