Deactivate PcdFirstTimeWakeUpAPsBySipi for AMD SEV and SNP to preserve the original execution of INIT-SIPI-SIPI.
Cc: Eric Dong <eric.d...@intel.com> Cc: Ray Ni <ray...@intel.com> Cc: Rahul Kumar <rahul1.ku...@intel.com> Cc: Gerd Hoffmann <kra...@redhat.com> Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org> Cc: Jiewen Yao <jiewen....@intel.com> Cc: Jordan Justen <jordan.l.jus...@intel.com> Signed-off-by: Yuanhao Xie <yuanhao....@intel.com> --- OvmfPkg/AmdSev/AmdSevX64.dsc | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/OvmfPkg/AmdSev/AmdSevX64.dsc b/OvmfPkg/AmdSev/AmdSevX64.dsc index 2c6ed7c974..af52438fb2 100644 --- a/OvmfPkg/AmdSev/AmdSevX64.dsc +++ b/OvmfPkg/AmdSev/AmdSevX64.dsc @@ -467,6 +467,13 @@ gEfiMdeModulePkgTokenSpaceGuid.PcdConInConnectOnDemand|TRUE gUefiOvmfPkgTokenSpaceGuid.PcdBootRestrictToFirmware|TRUE + # + # PcdFirstTimeWakeUpAPsBySipi determines whether to employ + # SIPI instead of the INIT-SIPI-SIPI sequence during APs + # initialization. Deactivate this parameter for AMD SEV and + # SNP to preserve the original execution of INIT-SIPI-SIPI. + # + gUefiCpuPkgTokenSpaceGuid.PcdFirstTimeWakeUpAPsBySipi|FALSE ################################################################################ # -- 2.36.1.windows.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#107823): https://edk2.groups.io/g/devel/message/107823 Mute This Topic: https://groups.io/mt/100794448/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
