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Re: [PATCH 2/3] xen/sched: Link CPU topology to scheduler
- To: Hirokazu Takahashi <taka@xxxxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 15 Jun 2026 08:57:03 +0200
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- Cc: "Mykyta_Poturai@xxxxxxxx" <Mykyta_Poturai@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Dario Faggioli <dfaggioli@xxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, George Dunlap <gwd@xxxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Mon, 15 Jun 2026 06:57:07 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 12.06.2026 21:53, Hirokazu Takahashi wrote:
>> On 10.06.2026 13:13, Hirokazu Takahashi wrote:
>>> @@ -19,11 +23,17 @@ 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);
>>>
>>> +#define cpu_to_core(_cpu) (cpu_topology[_cpu].phys_core_id)
>>> +#define cpu_to_socket(_cpu) (cpu_topology[_cpu].phys_socket_id)
>>
>> Please can you avoid introducing new name space violations (identifiers
>> with leading underscores should name file scope entities); also again
>> below.
>
> Ok, I will remove the leading underscores from the macro, which were
> originally defined in xen/arch/arm/include/asm/processor.h.
> Is it okay to leave the macro definitions in x86's
> `xen/arch/x86/include/asm/processor.h` untouched?
If you have no other need to touch them - of course.
Jan
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