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Fri, 19 Feb 2021 02:12:10 +0000 From: "Ma, Maurice" To: "Dong, Guo" , "devel@edk2.groups.io" CC: "You, Benjamin" Subject: Re: [edk2-devel] [PATCH] UefiPayloadPkg/UefiPayloadEntry: Remove 4GB memory WA Thread-Topic: [edk2-devel] [PATCH] UefiPayloadPkg/UefiPayloadEntry: Remove 4GB memory WA Thread-Index: AQHXA1lKOSpUnB9swEuo2qtYahWYYapewmtA Date: Fri, 19 Feb 2021 02:12:09 +0000 Message-ID: References: <20210215051308.11796-1-guo.dong@intel.com> In-Reply-To: <20210215051308.11796-1-guo.dong@intel.com> Accept-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-version: 11.5.1.3 dlp-reaction: no-action authentication-results: intel.com; dkim=none (message not signed) header.d=none;intel.com; dmarc=none action=none header.from=intel.com; x-originating-ip: [104.153.200.60] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: cf2f564e-789c-47a3-2eb6-08d8d47bc39c x-ms-traffictypediagnostic: DM5PR11MB1641: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:7691; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Reviewed-by: Maurice Ma Regards Maurice > -----Original Message----- > From: Dong, Guo > Sent: Sunday, February 14, 2021 21:13 > To: devel@edk2.groups.io > Cc: Ma, Maurice ; You, Benjamin > > Subject: [edk2-devel] [PATCH] UefiPayloadPkg/UefiPayloadEntry: Remove > 4GB memory WA >=20 > Previous it would hang in CpuDxe if DXE drivers are dispatched above 4GB. > Now remove the work around since the fixed in CpuDxe are merged. >=20 > Signed-off-by: Guo Dong > --- > UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c | 5 ----- > 1 file changed, 5 deletions(-) >=20 > diff --git a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c > b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c > index 805f5448d9..c403b0a80a 100644 > --- a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c > +++ b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c > @@ -40,11 +40,6 @@ MemInfoCallback ( > EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE | > EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE; >=20 > - if (Base >=3D BASE_4GB ) { > - // Remove tested attribute to avoid DXE core to dispatch driver to > memory above 4GB > - Attribue &=3D ~EFI_RESOURCE_ATTRIBUTE_TESTED; > - } > - > BuildResourceDescriptorHob (Type, Attribue, > (EFI_PHYSICAL_ADDRESS)Base, Size); > DEBUG ((DEBUG_INFO , "buildhob: base =3D 0x%lx, size =3D 0x%lx, type = =3D > 0x%x\n", Base, Size, Type)); >=20 > -- > 2.16.2.windows.1