From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:54681) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hG8O3-0008Kz-6W for qemu-devel@nongnu.org; Mon, 15 Apr 2019 16:39:32 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hG8O0-0003Eq-FQ for qemu-devel@nongnu.org; Mon, 15 Apr 2019 16:39:30 -0400 Received: from mx1.redhat.com ([209.132.183.28]:50740) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hG8Nz-0003Bx-Eh for qemu-devel@nongnu.org; Mon, 15 Apr 2019 16:39:28 -0400 Date: Mon, 15 Apr 2019 17:39:17 -0300 From: Eduardo Habkost Message-ID: <20190415203917.GA32317@habkost.net> References: <1555124080-27089-1-git-send-email-puwen@hygon.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1555124080-27089-1-git-send-email-puwen@hygon.cn> Subject: Re: [Qemu-devel] [PATCH v2] i386: Add new Hygon 'Dhyana' CPU model List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Pu Wen Cc: qemu-devel@nongnu.org, berrange@redhat.com, pbonzini@redhat.com, rth@twiddle.net, mst@redhat.com, marcel.apfelbaum@gmail.com On Sat, Apr 13, 2019 at 10:54:40AM +0800, Pu Wen wrote: > Add a new base CPU model called 'Dhyana' to model processors from Hygon > Dhyana(family 18h), which derived from AMD EPYC(family 17h). > > The following features bits have been removed compare to AMD EPYC: > aes, pclmulqdq, sha_ni > > The Hygon Dhyana support to KVM in Linux is already accepted upstream[1]. > So add Hygon Dhyana support to Qemu is necessary to create Hygon's own > CPU model. > > Reference: > [1] https://git.kernel.org/tip/fec98069fb72fb656304a3e52265e0c2fc9adf87 > > Signed-off-by: Pu Wen Thanks for the patch. I'm wondering if we should let the CPU model be used only on Hygon hosts, to avoid confusion. -- Eduardo From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.4 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 586AAC10F0E for ; Mon, 15 Apr 2019 20:40:21 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2663B20854 for ; Mon, 15 Apr 2019 20:40:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2663B20854 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([127.0.0.1]:55357 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hG8Oq-0000EF-8L for qemu-devel@archiver.kernel.org; Mon, 15 Apr 2019 16:40:20 -0400 Received: from eggs.gnu.org ([209.51.188.92]:54681) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hG8O3-0008Kz-6W for qemu-devel@nongnu.org; Mon, 15 Apr 2019 16:39:32 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hG8O0-0003Eq-FQ for qemu-devel@nongnu.org; Mon, 15 Apr 2019 16:39:30 -0400 Received: from mx1.redhat.com ([209.132.183.28]:50740) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hG8Nz-0003Bx-Eh for qemu-devel@nongnu.org; Mon, 15 Apr 2019 16:39:28 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 484C13092662; Mon, 15 Apr 2019 20:39:23 +0000 (UTC) Received: from localhost (ovpn-116-9.gru2.redhat.com [10.97.116.9]) by smtp.corp.redhat.com (Postfix) with ESMTP id BF316608C2; Mon, 15 Apr 2019 20:39:18 +0000 (UTC) Date: Mon, 15 Apr 2019 17:39:17 -0300 From: Eduardo Habkost To: Pu Wen Message-ID: <20190415203917.GA32317@habkost.net> References: <1555124080-27089-1-git-send-email-puwen@hygon.cn> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline In-Reply-To: <1555124080-27089-1-git-send-email-puwen@hygon.cn> User-Agent: Mutt/1.10.1 (2018-07-13) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.43]); Mon, 15 Apr 2019 20:39:23 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: Re: [Qemu-devel] [PATCH v2] i386: Add new Hygon 'Dhyana' CPU model X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mst@redhat.com, qemu-devel@nongnu.org, pbonzini@redhat.com, rth@twiddle.net Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Message-ID: <20190415203917.B92i9Kw8GIfzlbcsWlx7EHNreZ8xBS4eoIpkx7_qNCQ@z> On Sat, Apr 13, 2019 at 10:54:40AM +0800, Pu Wen wrote: > Add a new base CPU model called 'Dhyana' to model processors from Hygon > Dhyana(family 18h), which derived from AMD EPYC(family 17h). > > The following features bits have been removed compare to AMD EPYC: > aes, pclmulqdq, sha_ni > > The Hygon Dhyana support to KVM in Linux is already accepted upstream[1]. > So add Hygon Dhyana support to Qemu is necessary to create Hygon's own > CPU model. > > Reference: > [1] https://git.kernel.org/tip/fec98069fb72fb656304a3e52265e0c2fc9adf87 > > Signed-off-by: Pu Wen Thanks for the patch. I'm wondering if we should let the CPU model be used only on Hygon hosts, to avoid confusion. -- Eduardo