On Mon, Nov 06, 2023 at 04:45:29PM -0600, Tom Lendacky wrote: > This patch series provides fixes around AP startup and sorting: > > - The CPUID_EXTENDED_TOPOLOGY CPUID leaf takes a sub-leaf as input. The > current SEV-SNP support is attempting to retrieve the this leaf with > sub-leaf 0, but is calling AsmCpuid(), which does not clear ECX before > invoking the CPUID instruction. Therefore, because of the calling > convention, the leaf value becomes the sub-leaf value and ends up > returning incorrect information. Change the call from AsmCpuid() to > AsmCpuidEx(). > > - When sorting the CPUs by APIC ID, the VMSA associated with the vCPU > should follow the APIC ID. Update the sorting code to swap the VMSA > pointer during the sort.
Series: Acked-by: Gerd Hoffmann <kra...@redhat.com> -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#110831): https://edk2.groups.io/g/devel/message/110831 Mute This Topic: https://groups.io/mt/102432041/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
