From patchwork Sat Mar 30 10:43:27 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pu Wen X-Patchwork-Id: 10878285 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 115C717E0 for ; Sat, 30 Mar 2019 10:49:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F1F6F28B45 for ; Sat, 30 Mar 2019 10:49:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E65B428C28; Sat, 30 Mar 2019 10:49:08 +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 9BC3528B45 for ; Sat, 30 Mar 2019 10:49:08 +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 1hABWK-00055L-P8; Sat, 30 Mar 2019 10:47:28 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hABWK-000550-1x for xen-devel@lists.xenproject.org; Sat, 30 Mar 2019 10:47:28 +0000 X-Inumbo-ID: 328d2e1e-52d9-11e9-b603-7f5aaf4e2961 Received: from spam2.hygon.cn (unknown [110.188.70.11]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 328d2e1e-52d9-11e9-b603-7f5aaf4e2961; Sat, 30 Mar 2019 10:47:23 +0000 (UTC) Received: from MK-FE.hygon.cn ([172.23.18.61]) by spam2.hygon.cn with ESMTP id x2UAhfpk089262; Sat, 30 Mar 2019 18:43:41 +0800 (GMT-8) (envelope-from puwen@hygon.cn) Received: from cncheex01.Hygon.cn ([172.23.18.10]) by MK-FE.hygon.cn with ESMTP id x2UAhPVZ069426; Sat, 30 Mar 2019 18:43:26 +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; Sat, 30 Mar 2019 18:43:36 +0800 From: Pu Wen To: Date: Sat, 30 Mar 2019 18:43:27 +0800 Message-ID: <491f86bdc0cb877d42fe611c87e89916a71c157f.1553935727.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 x2UAhfpk089262 X-DNSRBL: Subject: [Xen-devel] [PATCH v4 07/15] x86/apic: Add Hygon Dhyana support 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 Add Hygon Dhyana support to use modern APIC. Signed-off-by: Pu Wen Acked-by: Jan Beulich --- xen/arch/x86/apic.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/xen/arch/x86/apic.c b/xen/arch/x86/apic.c index 2a24326..004d685 100644 --- a/xen/arch/x86/apic.c +++ b/xen/arch/x86/apic.c @@ -92,6 +92,11 @@ static int modern_apic(void) if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD && boot_cpu_data.x86 >= 0xf) return 1; + + /* Hygon systems use modern APIC */ + if (boot_cpu_data.x86_vendor == X86_VENDOR_HYGON) + return 1; + lvr = apic_read(APIC_LVR); version = GET_APIC_VERSION(lvr); return version >= 0x14;