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D44297.diff
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diff --git a/sys/x86/x86/mp_x86.c b/sys/x86/x86/mp_x86.c
--- a/sys/x86/x86/mp_x86.c
+++ b/sys/x86/x86/mp_x86.c
@@ -1184,6 +1184,13 @@
!hyperthreading_intr_allowed)
continue;
+ /*
+ * Currently Hyper-V only supports intr on first
+ * 64 cpus.
+ */
+ if (vm_guest == VM_GUEST_HV && i > 63)
+ continue;
+
intr_add_cpu(i);
}
}
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D44297.diff (353 B)
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D44297: Hyper-V: vPCI: limit 64 cpus for msi/msix interrupt handling on FreeBSD 13.x
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