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=-7.5 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 C1D60C433DB for ; Wed, 6 Jan 2021 11:05:18 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6E8AB22482 for ; Wed, 6 Jan 2021 11:05:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6E8AB22482 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from list by lists.xenproject.org with outflank-mailman.62416.110517 (Exim 4.92) (envelope-from ) id 1kx6cW-0000ZD-J2; Wed, 06 Jan 2021 11:04:52 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 62416.110517; Wed, 06 Jan 2021 11:04:52 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kx6cW-0000Z6-Fq; Wed, 06 Jan 2021 11:04:52 +0000 Received: by outflank-mailman (input) for mailman id 62416; Wed, 06 Jan 2021 11:04:51 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kx6cV-0000Z1-D5 for xen-devel@lists.xenproject.org; Wed, 06 Jan 2021 11:04:51 +0000 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 8cd812ad-9e83-4c85-b817-9e5e383c50b9; Wed, 06 Jan 2021 11:04:50 +0000 (UTC) Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 736F5AE39; Wed, 6 Jan 2021 11:04:49 +0000 (UTC) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 8cd812ad-9e83-4c85-b817-9e5e383c50b9 X-Virus-Scanned: by amavisd-new at test-mx.suse.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1609931089; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=HVh2TutAC5qujROS4NmOJjcEGV3c1ZqHwgWRbsEBB2s=; b=d9yr3tpREWXkYCvvGjnw/erLQ8/Yh0gYwuHVP0tVAtUIpv9wHnkYBG0daBN7P2GqPCu0mn m3ub5Ikj+G6I3bR5cUxsleCA/tMHkKqvMeJTiqISpHxNiPpWPYeNiu1shlJRvlgA7Uxc7n bHNNXdCQ3MDTA2i4Qz7GZWAyu2S7kQI= Subject: Re: [PATCH v3] x86/intel: insert Ice Lake-X (server) and Ice Lake-D model numbers To: Igor Druzhinin Cc: andrew.cooper3@citrix.com, roger.pau@citrix.com, wl@xen.org, jun.nakajima@intel.com, kevin.tian@intel.com, xen-devel@lists.xenproject.org References: <1608755520-1277-1-git-send-email-igor.druzhinin@citrix.com> From: Jan Beulich Message-ID: Date: Wed, 6 Jan 2021 12:04:45 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: <1608755520-1277-1-git-send-email-igor.druzhinin@citrix.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit On 23.12.2020 21:32, Igor Druzhinin wrote: > LBR, C-state MSRs should correspond to Ice Lake desktop according to > External Design Specification vol.2 for both models. > > Ice Lake-X is known to expose IF_PSCHANGE_MC_NO in IA32_ARCH_CAPABILITIES MSR > (confirmed on Whitley SDP) which means the erratum is fixed in hardware for > that model and therefore it shouldn't be present in has_if_pschange_mc list. > Provisionally assume the same to be the case for Ice Lake-D. I did find Ice Lake D EDS, and it confirms the respective additions. In the course I also found the "plain" Ice Lake EDS, and it seems to contradict SDM vol 4 in that it doesn't list CC3_RESIDENCY (0x3FC). For now I guess we can consider this a doc error. I didn't find Ice Lake-X EDS, though. Jan