From patchwork Mon Mar 25 13:30:05 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pu Wen X-Patchwork-Id: 10869141 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E0AB31390 for ; Mon, 25 Mar 2019 13:35:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CE31E284B1 for ; Mon, 25 Mar 2019 13:35:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CC7E928763; Mon, 25 Mar 2019 13:35:59 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C8031286A7 for ; Mon, 25 Mar 2019 13:35:58 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1h8Pjt-0002hB-62; Mon, 25 Mar 2019 13:34:09 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1h8Pjs-0002h1-4y for xen-devel@lists.xenproject.org; Mon, 25 Mar 2019 13:34:08 +0000 X-Inumbo-ID: a7d9cc6f-4f02-11e9-bc90-bc764e045a96 Received: from spam2.hygon.cn (unknown [110.188.70.11]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id a7d9cc6f-4f02-11e9-bc90-bc764e045a96; Mon, 25 Mar 2019 13:34:05 +0000 (UTC) Received: from MK-DB.hygon.cn ([172.23.18.60]) by spam2.hygon.cn with ESMTP id x2PDUC98015577; Mon, 25 Mar 2019 21:30:12 +0800 (GMT-8) (envelope-from puwen@hygon.cn) Received: from cncheex01.Hygon.cn ([172.23.18.10]) by MK-DB.hygon.cn with ESMTP id x2PDU993064072; Mon, 25 Mar 2019 21:30:09 +0800 (GMT-8) (envelope-from puwen@hygon.cn) Received: from pw-vbox.hygon.cn (172.23.18.44) by cncheex01.Hygon.cn (172.23.18.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1466.3; Mon, 25 Mar 2019 21:30:12 +0800 From: Pu Wen To: Date: Mon, 25 Mar 2019 21:30:05 +0800 Message-ID: <96b4704ee96795f524663fd8671a8bfef9d8baa1.1553520193.git.puwen@hygon.cn> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: MIME-Version: 1.0 X-Originating-IP: [172.23.18.44] X-ClientProxiedBy: cncheex01.Hygon.cn (172.23.18.10) To cncheex01.Hygon.cn (172.23.18.10) X-MAIL: spam2.hygon.cn x2PDUC98015577 X-DNSRBL: Subject: [Xen-devel] [PATCH v3 02/14] x86/cpu/mtrr: Add Hygon Dhyana support to get TOP_MEM2 X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Pu Wen , =?utf-8?q?Roger_Pau_Monn=C3=A9?= , Wei Liu , Jan Beulich , Andrew Cooper Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP The Hygon Dhyana CPU supports the MSR way to get TOP_MEM2. So add Hygon Dhyana support to print the value of TOP_MEM2. Signed-off-by: Pu Wen Acked-by: Jan Beulich --- xen/arch/x86/cpu/mtrr/generic.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/xen/arch/x86/cpu/mtrr/generic.c b/xen/arch/x86/cpu/mtrr/generic.c index 8f9cf1b..94ee7d6 100644 --- a/xen/arch/x86/cpu/mtrr/generic.c +++ b/xen/arch/x86/cpu/mtrr/generic.c @@ -217,8 +217,9 @@ static void __init print_mtrr_state(const char *level) printk("%s %u disabled\n", level, i); } - if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD - && boot_cpu_data.x86 >= 0xf) { + if ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD && + boot_cpu_data.x86 >= 0xf) || + boot_cpu_data.x86_vendor == X86_VENDOR_HYGON) { uint64_t syscfg, tom2; rdmsrl(MSR_K8_SYSCFG, syscfg);