From nobody Sun Apr 28 05:57:27 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.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 1515143336700420.28647351672475; Fri, 5 Jan 2018 01:08:56 -0800 (PST) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id D62BA2236BA97; Fri, 5 Jan 2018 01:03:48 -0800 (PST) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) (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 2812F2236BA90 for ; Fri, 5 Jan 2018 01:03:46 -0800 (PST) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 05 Jan 2018 01:08:52 -0800 Received: from ray-dev.ccr.corp.intel.com ([10.239.9.19]) by fmsmga001.fm.intel.com with ESMTP; 05 Jan 2018 01:08:52 -0800 X-Original-To: edk2-devel@lists.01.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; Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=192.55.52.115; helo=mga14.intel.com; envelope-from=ruiyu.ni@intel.com; receiver=edk2-devel@lists.01.org X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,317,1511856000"; d="scan'208";a="19216500" From: Ruiyu Ni To: edk2-devel@lists.01.org Date: Fri, 5 Jan 2018 17:08:50 +0800 Message-Id: <20180105090850.232768-1-ruiyu.ni@intel.com> X-Mailer: git-send-email 2.15.1.windows.2 Subject: [edk2] [PATCH] UefiCpuPkg/MpInitLib: Fix a bug that AP enters timer INT handler X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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" When SourceLevelDebug is enabled, AP randomly executes the DXECORE timer handler logic. The root cause is the interrupts are not masked in AP wake up procedure. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Ruiyu Ni Cc: Jeff Fan Reviewed-by: Jeff Fan --- UefiCpuPkg/Library/MpInitLib/MpLib.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c b/UefiCpuPkg/Library/MpIn= itLib/MpLib.c index 0c2058a7b0..1a6cdb678e 100644 --- a/UefiCpuPkg/Library/MpInitLib/MpLib.c +++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c @@ -1,7 +1,7 @@ /** @file CPU MP Initialize Library common functions. =20 - Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved.
+ Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BS= D License which accompanies this distribution. The full text of the license may b= e found at @@ -582,6 +582,10 @@ ApWakeupFunction ( // We need to re-initialize them at here // ProgramVirtualWireMode (); + // + // Mask the LINT0 and LINT1 so that AP doesn't enter the system timer in= terrupt handler. + // + DisableLvtInterrupts (); SyncLocalApicTimerSetting (CpuMpData); =20 CurrentApicMode =3D GetApicMode (); --=20 2.15.1.windows.2 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel