From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: mx.groups.io; dkim=missing; spf=pass (domain: intel.com, ip: 192.55.52.136, mailfrom: eric.dong@intel.com) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by groups.io with SMTP; Tue, 23 Jul 2019 19:02:34 -0700 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Jul 2019 19:02:34 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,300,1559545200"; d="scan'208";a="177519516" Received: from fmsmsx107.amr.corp.intel.com ([10.18.124.205]) by FMSMGA003.fm.intel.com with ESMTP; 23 Jul 2019 19:02:34 -0700 Received: from fmsmsx118.amr.corp.intel.com (10.18.116.18) by fmsmsx107.amr.corp.intel.com (10.18.124.205) with Microsoft SMTP Server (TLS) id 14.3.439.0; Tue, 23 Jul 2019 19:02:34 -0700 Received: from shsmsx108.ccr.corp.intel.com (10.239.4.97) by fmsmsx118.amr.corp.intel.com (10.18.116.18) with Microsoft SMTP Server (TLS) id 14.3.439.0; Tue, 23 Jul 2019 19:02:34 -0700 Received: from shsmsx102.ccr.corp.intel.com ([169.254.2.3]) by SHSMSX108.ccr.corp.intel.com ([169.254.8.174]) with mapi id 14.03.0439.000; Wed, 24 Jul 2019 10:02:32 +0800 From: "Dong, Eric" To: "Ni, Ray" , "devel@edk2.groups.io" CC: Laszlo Ersek Subject: Re: [PATCH 3/4] MdeModulePkg/DxeIpl: Introduce PCD PcdUse5LevelPageTable Thread-Topic: [PATCH 3/4] MdeModulePkg/DxeIpl: Introduce PCD PcdUse5LevelPageTable Thread-Index: AQHVQGXKP65dJlDKoUCMBIvEsbVIWabZBqeA Date: Wed, 24 Jul 2019 02:02:32 +0000 Message-ID: References: <20190722081547.56100-1-ray.ni@intel.com> <20190722081547.56100-4-ray.ni@intel.com> In-Reply-To: <20190722081547.56100-4-ray.ni@intel.com> Accept-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] MIME-Version: 1.0 Return-Path: eric.dong@intel.com Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Reviewed-by: Eric Dong > -----Original Message----- > From: Ni, Ray > Sent: Monday, July 22, 2019 4:16 PM > To: devel@edk2.groups.io > Cc: Dong, Eric ; Laszlo Ersek > Subject: [PATCH 3/4] MdeModulePkg/DxeIpl: Introduce PCD > PcdUse5LevelPageTable >=20 > REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3D2008 >=20 > The PCD indicates if 5-Level Paging will be enabled in long mode. > 5-Level Paging will not be enabled when the PCD is TRUE but CPU doesn't > support 5-Level Paging. >=20 > Signed-off-by: Ray Ni > Cc: Eric Dong > Cc: Laszlo Ersek > --- > MdeModulePkg/MdeModulePkg.dec | 7 +++++++ > 1 file changed, 7 insertions(+) >=20 > diff --git a/MdeModulePkg/MdeModulePkg.dec > b/MdeModulePkg/MdeModulePkg.dec index 12e0bbf579..21388595a9 > 100644 > --- a/MdeModulePkg/MdeModulePkg.dec > +++ b/MdeModulePkg/MdeModulePkg.dec > @@ -1991,6 +1991,13 @@ [PcdsFixedAtBuild, PcdsPatchableInModule, > PcdsDynamic, PcdsDynamicEx] > # @Prompt The address mask when memory encryption is enabled. >=20 > gEfiMdeModulePkgTokenSpaceGuid.PcdPteMemoryEncryptionAddressOrM > ask|0x0|UINT64|0x30001047 >=20 > + ## Indicates if 5-Level Paging will be enabled in long mode. 5-Level > + Paging will not be enabled # when the PCD is TRUE but CPU doesn't > support 5-Level Paging. > + # TRUE - 5-Level Paging will be enabled.
> + # FALSE - 5-Level Paging will not be enabled.
> + # @Prompt Enable 5-Level Paging support in long mode. > + > + > gEfiMdeModulePkgTokenSpaceGuid.PcdUse5LevelPageTable|FALSE|BOOLE > AN|0x0 > + 001105F > + > ## Capsule In Ram is to use memory to deliver the capsules that will b= e > processed after system > # reset.

> # This PCD indicates if the Capsule In Ram is supported.
> -- > 2.21.0.windows.1