From patchwork Sat Mar 30 10:44:37 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pu Wen X-Patchwork-Id: 10878297 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 DE4C21669 for ; Sat, 30 Mar 2019 10:50:21 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C4D6728793 for ; Sat, 30 Mar 2019 10:50:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B2CF328A68; Sat, 30 Mar 2019 10:50:21 +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 B482E28793 for ; Sat, 30 Mar 2019 10:50:20 +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 1hABXT-0005c6-5c; Sat, 30 Mar 2019 10:48:39 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hABXR-0005b5-Ew for xen-devel@lists.xenproject.org; Sat, 30 Mar 2019 10:48:37 +0000 X-Inumbo-ID: 5df9c6bf-52d9-11e9-bc90-bc764e045a96 Received: from spam1.hygon.cn (unknown [110.188.70.11]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 5df9c6bf-52d9-11e9-bc90-bc764e045a96; Sat, 30 Mar 2019 10:48:36 +0000 (UTC) Received: from MK-FE.hygon.cn ([172.23.18.61]) by spam1.hygon.cn with ESMTP id x2UAijVh057928; Sat, 30 Mar 2019 18:44:45 +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 x2UAiXPG069495; Sat, 30 Mar 2019 18:44:33 +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 18:44:43 +0800 From: Pu Wen To: Date: Sat, 30 Mar 2019 18:44:37 +0800 Message-ID: <5e16c6aecaa3def3537401d0b28b5fe5edd2df46.1553935727.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: spam1.hygon.cn x2UAijVh057928 X-DNSRBL: Subject: [Xen-devel] [PATCH v4 13/15] x86/traps: 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 The Hygon Dhyana processor has the methold to get the last exception source IP from MSR0000_01DD. So add support for it if the boot param ler is true. Signed-off-by: Pu Wen Acked-by: Jan Beulich --- xen/arch/x86/traps.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/xen/arch/x86/traps.c b/xen/arch/x86/traps.c index 05ddc39..97bf9e2 100644 --- a/xen/arch/x86/traps.c +++ b/xen/arch/x86/traps.c @@ -1973,6 +1973,9 @@ static unsigned int calc_ler_msr(void) return MSR_IA32_LASTINTFROMIP; } break; + + case X86_VENDOR_HYGON: + return MSR_IA32_LASTINTFROMIP; } return 0;