From nobody Sun Dec 29 01:38:33 2024 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 1492481783502958.9231990888651; Mon, 17 Apr 2017 19:16:23 -0700 (PDT) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id A7A5121A04823; Mon, 17 Apr 2017 19:16:20 -0700 (PDT) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) (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 77A7121A18AAA for ; Mon, 17 Apr 2017 19:16:19 -0700 (PDT) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 Apr 2017 19:16:19 -0700 Received: from jfan12-desk.ccr.corp.intel.com ([10.239.158.57]) by FMSMGA003.fm.intel.com with ESMTP; 17 Apr 2017 19:16:17 -0700 X-Original-To: edk2-devel@lists.01.org X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.37,217,1488873600"; d="scan'208";a="847034865" From: Jeff Fan To: edk2-devel@lists.01.org Date: Tue, 18 Apr 2017 10:16:06 +0800 Message-Id: <20170418021606.8776-1-jeff.fan@intel.com> X-Mailer: git-send-email 2.9.3.windows.2 Subject: [edk2] [PATCH] UefiCpuPkg/PiSmmCpuDxeSmm: Lock should be acquired 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: Hao Wu , Michael Kinney , Feng Tian 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" SMM BSP's *busy* state should be acquired. We could use AcquireSpinLock() instead of AcquireSpinLockOrFail(). Cc: Hao Wu Cc: Feng Tian Cc: Michael Kinney Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jeff Fan Reviewed-by: Hao Wu --- UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c b/UefiCpuPkg/PiSmmCpuDxe= Smm/MpService.c index a1d16b4..e03f1e0 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c @@ -407,7 +407,7 @@ BSPHandler ( // // The BUSY lock is initialized to Acquired state // - AcquireSpinLockOrFail (mSmmMpSyncData->CpuData[CpuIndex].Busy); + AcquireSpinLock (mSmmMpSyncData->CpuData[CpuIndex].Busy); =20 // // Perform the pre tasks --=20 2.9.3.windows.2 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel