When booting a Linux guest in SMP configuration, on sapphire rapids and granite rapids the following kernel warning can be observed: [Firmware Bug]: CPUID leaf 0x1f subleaf 1 APIC ID mismatch 1 != 0 [Firmware Bug]: CPUID leaf 0x1f subleaf 2 APIC ID mismatch 1 != 0 The reason is that we announce the presence of the extended topology leaf, but fail to announce the x2apic ID in EDX for each subleaf. Signed-off-by: Thomas Prescher <thomas.prescher@cyberus-technology.de> On-behalf-of: SAP thomas.prescher@sap.com |
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