From nobody Thu Jul 10 00:50:42 2025 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 198.145.21.10 is neither permitted nor denied by domain of lists.01.org) client-ip=198.145.21.10; envelope-from=edk2-devel-bounces@lists.01.org; helo=ml01.01.org; Authentication-Results: mx.zoho.com; spf=none (zoho.com: 198.145.21.10 is neither permitted nor denied by domain of lists.01.org) smtp.mailfrom=edk2-devel-bounces@lists.01.org; Return-Path: Received: from ml01.01.org (ml01.01.org [198.145.21.10]) by mx.zohomail.com with SMTPS id 1495804424734524.463962050684; Fri, 26 May 2017 06:13:44 -0700 (PDT) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 3286221B0387D; Fri, 26 May 2017 06:13:37 -0700 (PDT) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 830392095A389 for ; Fri, 26 May 2017 06:13:35 -0700 (PDT) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga104.jf.intel.com with ESMTP; 26 May 2017 06:13:35 -0700 Received: from jfan12-desk.ccr.corp.intel.com ([10.239.158.57]) by FMSMGA003.fm.intel.com with ESMTP; 26 May 2017 06:13:34 -0700 X-Original-To: edk2-devel@lists.01.org X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.38,397,1491289200"; d="scan'208";a="861623822" From: Jeff Fan To: edk2-devel@lists.01.org Date: Fri, 26 May 2017 21:12:09 +0800 Message-Id: <20170526131209.23020-4-jeff.fan@intel.com> X-Mailer: git-send-email 2.9.3.windows.2 In-Reply-To: <20170526131209.23020-1-jeff.fan@intel.com> References: <20170526131209.23020-1-jeff.fan@intel.com> Subject: [edk2] [PATCH v3 3/3] UefiCpuPkg/MpInitLib: Force to enable X2APIC if CPU number > 255 X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Michael D Kinney , Eric Dong MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Errors-To: edk2-devel-bounces@lists.01.org Sender: "edk2-devel" X-ZohoMail: RSF_4 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" Cc: Michael D Kinney Cc: Eric Dong Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jeff Fan --- UefiCpuPkg/Library/MpInitLib/MpLib.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c b/UefiCpuPkg/Library/MpIn= itLib/MpLib.c index c6f8191..df19b43 100644 --- a/UefiCpuPkg/Library/MpInitLib/MpLib.c +++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c @@ -451,6 +451,12 @@ CollectProcessorCount ( CpuPause (); } =20 + if (CpuMpData->CpuCount > 255) { + // + // If there are more than 255 processor found, force to enable X2APIC + // + CpuMpData->X2ApicEnable =3D TRUE; + } if (CpuMpData->X2ApicEnable) { DEBUG ((DEBUG_INFO, "Force x2APIC mode!\n")); // @@ -1412,7 +1418,7 @@ MpInitLibInitialize ( CpuInfoInHob =3D (CPU_INFO_IN_HOB *) (UINTN) CpuMpData->CpuInfoInHob; for (Index =3D 0; Index < CpuMpData->CpuCount; Index++) { InitializeSpinLock(&CpuMpData->CpuData[Index].ApLock); - if (CpuInfoInHob[Index].InitialApicId >=3D 255) { + if (CpuInfoInHob[Index].InitialApicId >=3D 255 || Index > 254) { CpuMpData->X2ApicEnable =3D TRUE; } CpuMpData->CpuData[Index].CpuHealthy =3D (CpuInfoInHob[Index].Health= =3D=3D 0)? TRUE:FALSE; --=20 2.9.3.windows.2 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel