I just send the patch mail to the mail list https://edk2.groups.io/g/devel/message/52350. Please review this one. Thanks Liming From: Banaszek, Daniel Pawel Sent: Wednesday, December 18, 2019 4:37 PM To: devel@edk2.groups.io Cc: Gao, Liming ; Ni, Ray Subject: RE: ASAP Issue in PciExpress21.h Importance: High I attached a patch witch change that is needed in EDK2 code as it is described. PCI_REG_PCIE_DEVICE_CONTROL2 struct is UINT16 but has 17 bits !! Issue is UINT16 LtrMechanism There is 2 instead of 1. - UINT16 LtrMechanism : 2; + UINT16 LtrMechanism : 1; Daniel Banaszek BIOS Engineer - IGK1-245 Intel Server UEFI Firmware Development Team ______________________________________________________________________________ From: Ni, Ray > Sent: Monday, 2 December, 2019 15:45 To: Banaszek, Daniel Pawel > Cc: Gao, Liming > Subject: RE: ASAP Issue in PciExpress21.h Daniel, thank you for finding such a critical issue. Can you please submit an open source patch for this? Thanks, Ray From: Banaszek, Daniel Pawel > Sent: Monday, December 2, 2019 6:54 PM To: Ni, Ray > Subject: ASAP Issue in PciExpress21.h Hi There I an issue in MdePkg/Include/IndustryStandard/PciExpress21.h PCI_REG_PCIE_DEVICE_CONTROL2 struct is UINT16 but has 17 bits !! Issue is UINT16 LtrMechanism There is 2 instead of 1. - UINT16 LtrMechanism : 2; + UINT16 LtrMechanism : 1; Who can commit the change? Thanks Daniel Banaszek BIOS Engineer - IGK1-245 Intel Server UEFI Firmware Development Team Intel Technology Poland Sp. z o.o.