From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by spool.mail.gandi.net (Postfix) with ESMTPS id F0693740034 for ; Thu, 17 Aug 2023 03:45:41 +0000 (UTC) DKIM-Signature: a=rsa-sha256; bh=pTGOAT5fMU/5fhJW9SD1bXHEco5oLh4KZmhMK8V87xg=; c=relaxed/simple; d=groups.io; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version:Precedence:List-Subscribe:List-Help:Sender:List-Id:Mailing-List:Delivered-To:Reply-To:List-Unsubscribe-Post:List-Unsubscribe:Content-Transfer-Encoding; s=20140610; t=1692243940; v=1; b=KUhXayo0NYcmfItM5eKmmOyoKSkvQ7FRNdMAlIv1Kyrl8mpoJ84LM3pSSEJkzzZIQ3d3plbx +zVTxDSgQUrSxsOOFEglPQG0V1OoGnQRY/GBOmbAC0jEupEOLjjXVnSyycYKbli7UkxvVMYTNhE keVtsuOkhrXId9jOFjodKfDE= X-Received: by 127.0.0.2 with SMTP id CnH5YY7687511xhxmJkEWtei; Wed, 16 Aug 2023 20:45:40 -0700 X-Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.93]) by mx.groups.io with SMTP id smtpd.web10.179618.1692243939590147076 for ; Wed, 16 Aug 2023 20:45:39 -0700 X-IronPort-AV: E=McAfee;i="6600,9927,10803"; a="370172102" X-IronPort-AV: E=Sophos;i="6.01,179,1684825200"; d="scan'208";a="370172102" X-Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Aug 2023 20:45:38 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10803"; a="727980144" X-IronPort-AV: E=Sophos;i="6.01,179,1684825200"; d="scan'208";a="727980144" X-Received: from shwdeopenlab705.ccr.corp.intel.com ([10.239.55.55]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Aug 2023 20:45:35 -0700 From: "Yuanhao Xie" To: devel@edk2.groups.io Cc: Eric Dong , Ray Ni , Rahul Kumar , Gerd Hoffmann , Ard Biesheuvel , Jiewen Yao , Jordan Justen , Yuanhao Xie Subject: [edk2-devel] [PATCH] OvmfPkg: Disable PcdFirstTimeWakeUpAPsBySipi. Date: Thu, 17 Aug 2023 11:45:23 +0800 Message-Id: <20230817034523.2304-1-yuanhao.xie@intel.com> MIME-Version: 1.0 Precedence: Bulk 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,yuanhao.xie@intel.com List-Unsubscribe-Post: List-Unsubscribe=One-Click List-Unsubscribe: X-Gm-Message-State: Qbu9uBZhhNnv1G1ZtnqiBTFyx7686176AA= Content-Transfer-Encoding: 8bit X-GND-Status: LEGIT Authentication-Results: spool.mail.gandi.net; dkim=pass header.d=groups.io header.s=20140610 header.b=KUhXayo0; dmarc=fail reason="SPF not aligned (relaxed), DKIM not aligned (relaxed)" header.from=intel.com (policy=none); spf=pass (spool.mail.gandi.net: domain of bounce@groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce@groups.io Deactivate PcdFirstTimeWakeUpAPsBySipi for AMD SEV and SNP to preserve the original execution of INIT-SIPI-SIPI. Cc: Eric Dong Cc: Ray Ni Cc: Rahul Kumar Cc: Gerd Hoffmann Cc: Ard Biesheuvel Cc: Jiewen Yao Cc: Jordan Justen Signed-off-by: Yuanhao Xie --- 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/100794448/7686176 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io] -=-=-=-=-=-=-=-=-=-=-=-