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Re: [PATCH v4 2/3] xen/sched: Link CPU topology to scheduler
- To: Hirokazu Takahashi <taka@xxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- From: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
- Date: Fri, 3 Jul 2026 13:44:16 +0200
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- Cc: 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>, Jan Beulich <jbeulich@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Timothy Pearson <tpearson@xxxxxxxxxxxxxxxxxxxxx>, Alistair Francis <alistair.francis@xxxxxxx>, Connor Davis <connojdavis@xxxxxxxxx>, Dario Faggioli <dfaggioli@xxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, George Dunlap <gwd@xxxxxxxxxxxxxx>
- Delivery-date: Fri, 03 Jul 2026 11:44:37 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 7/3/26 11:15 AM, Hirokazu Takahashi wrote:
/*
diff --git a/xen/common/sched/credit2.c b/xen/common/sched/credit2.c
index 95946634d1..ada430f262 100644
--- a/xen/common/sched/credit2.c
+++ b/xen/common/sched/credit2.c
@@ -9,6 +9,7 @@
* Based on an earlier verson by Emmanuel Ackaouy.
*/
+#include <xen/cpu-topology.h>
#include <xen/errno.h>
#include <xen/init.h>
#include <xen/lib.h>
@@ -37,6 +38,8 @@ static unsigned int cpu_nr_siblings(unsigned int cpu)
{
#ifdef CONFIG_X86
return cpu_data[cpu].x86_num_siblings;
+#elif defined(CONFIG_CPU_TOPOLOGY)
+ return cpu_topology ? cpu_topology[cpu].num_siblings : 1;
Shouldn't here be CONFIG_GENERIC_CPU_TOPOLOGY?
~ Oleksii
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