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Tue, 27 Jul 2021 19:07:30 +0000 X-Received: from b01ledav003.gho.pok.ibm.com (b01ledav003.gho.pok.ibm.com [9.57.199.108]) by b01cxnp23034.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 16RJ7S6N24969524 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 27 Jul 2021 19:07:29 GMT X-Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D3842B2067; Tue, 27 Jul 2021 19:07:28 +0000 (GMT) X-Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 96051B206B; Tue, 27 Jul 2021 19:07:28 +0000 (GMT) X-Received: from localhost.localdomain (unknown [9.2.130.16]) by b01ledav003.gho.pok.ibm.com (Postfix) with ESMTP; Tue, 27 Jul 2021 19:07:28 +0000 (GMT) From: "Dov Murik" To: devel@edk2.groups.io Cc: Dov Murik , Tobin Feldman-Fitzthum , Tobin Feldman-Fitzthum , Jim Cadden , James Bottomley , Hubertus Franke , Ard Biesheuvel , Jordan Justen , Ashish Kalra , Brijesh Singh , Erdem Aktas , Jiewen Yao , Min Xu , Tom Lendacky Subject: [edk2-devel] [PATCH v5 02/11] OvmfPkg/AmdSev: use GenericQemuLoadImageLib in AmdSev builds Date: Tue, 27 Jul 2021 19:07:15 +0000 Message-Id: <20210727190724.3586867-3-dovmurik@linux.ibm.com> In-Reply-To: <20210727190724.3586867-1-dovmurik@linux.ibm.com> References: <20210727190724.3586867-1-dovmurik@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-GUID: u4edJC9VFGoT0F7tpUTDRr6hNpKNCnpi X-Proofpoint-ORIG-GUID: k4TK2If4NO3Pm4cqe63L8lbrpQA9Mgyr X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 Precedence: Bulk List-Unsubscribe: List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,dovmurik@linux.ibm.com X-Gm-Message-State: sTGdjfnV5YZEN7O4NfU9wSCKx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1627412857; bh=5j7QZPWgI/JVfAHBbF6VVlkK81kpu8fdQS9o4jdBccQ=; h=Cc:Date:From:Reply-To:Subject:To; b=q+Cis635qoOrYyMRyJwmiQv3w0WLZeMgPOjfu07lykHXAwRnJyydXuB9fSv8oTm7gqQ NJMoQEv5gNdGGAdr35l/Z4mWDy/++IZQgu68uzeRLNotFGHwVshb8nrZ7k6+vZ7RI6HDh r+9Jx+MJRdSjUxm6bptqao2rfy5cJu8pRs4= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1627412860098100013 Content-Type: text/plain; charset="utf-8" Newer kernels support efistub and therefore don't need all the legacy stuff in X86QemuLoadImageLib, which are harder to secure. Specifically the verification of kernel/initrd/cmdline blobs will be added only to the GenericQemuLoadImageLib implementation, so use that for SEV builds. Cc: Ard Biesheuvel Cc: Jordan Justen Cc: Ashish Kalra Cc: Brijesh Singh Cc: Erdem Aktas Cc: James Bottomley Cc: Jiewen Yao Cc: Min Xu Cc: Tom Lendacky Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3D3457 Signed-off-by: Dov Murik Reviewed-by: Brijesh Singh --- OvmfPkg/AmdSev/AmdSevX64.dsc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/OvmfPkg/AmdSev/AmdSevX64.dsc b/OvmfPkg/AmdSev/AmdSevX64.dsc index 1d487befae08..a2f1324c40a6 100644 --- a/OvmfPkg/AmdSev/AmdSevX64.dsc +++ b/OvmfPkg/AmdSev/AmdSevX64.dsc @@ -368,7 +368,7 @@ [LibraryClasses.common.DXE_DRIVER] PciLib|OvmfPkg/Library/DxePciLibI440FxQ35/DxePciLibI440FxQ35.inf MpInitLib|UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf QemuFwCfgS3Lib|OvmfPkg/Library/QemuFwCfgS3Lib/DxeQemuFwCfgS3LibFwCfg.inf - QemuLoadImageLib|OvmfPkg/Library/X86QemuLoadImageLib/X86QemuLoadImageLib= .inf + QemuLoadImageLib|OvmfPkg/Library/GenericQemuLoadImageLib/GenericQemuLoad= ImageLib.inf !if $(TPM_ENABLE) =3D=3D TRUE Tpm12DeviceLib|SecurityPkg/Library/Tpm12DeviceLibTcg/Tpm12DeviceLibTcg.i= nf Tpm2DeviceLib|SecurityPkg/Library/Tpm2DeviceLibTcg2/Tpm2DeviceLibTcg2.inf --=20 2.25.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. 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