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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1AF53EB64DD for ; Tue, 27 Jun 2023 17:08:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230429AbjF0RIo (ORCPT ); Tue, 27 Jun 2023 13:08:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42662 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229927AbjF0RIn (ORCPT ); Tue, 27 Jun 2023 13:08:43 -0400 Received: from mail-yw1-x1149.google.com (mail-yw1-x1149.google.com [IPv6:2607:f8b0:4864:20::1149]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EEC93198D for ; Tue, 27 Jun 2023 10:08:41 -0700 (PDT) Received: by mail-yw1-x1149.google.com with SMTP id 00721157ae682-56fffdea2d0so51770157b3.1 for ; Tue, 27 Jun 2023 10:08:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1687885721; x=1690477721; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=zmTYBHiq1aAEhFeB5lbw1u0SmbjoMvuQpM4GCZ6yf38=; b=IVA1fW9z3fvV2citHCS4ShP8SJ355AticUoDo8b4hCd7KVDGS3NOP0gYlyt4iz5YTS HAki00VvRLmzk1A388nL1Pqw2E6th3LdFtMjILyxEZmr6mdFs80Vlq4cbYPVMVjSULq9 OguibegXP3fdCKzrispjaCvcaiHsItetv3OaZKsfWM4B3krqFqOCDKXyaU5FtaHoUa54 lhfjc5h563F0SoDc6Y9XXlljkNAANgnzNQQElnZrKXuCxNX5naT2+Y041W0YBSdPOBmS EIOddBn7CiOslBCcl+66cqhgqclSDddd2PKx6mBJdkjOGd/lQ6yVYUwgjexWDhQ5WfHU Wr6w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687885721; x=1690477721; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=zmTYBHiq1aAEhFeB5lbw1u0SmbjoMvuQpM4GCZ6yf38=; b=DuWVyb282y/6fPAapbM9BYLqDnGSnACqiivY/TKZqPQk5+g0v+ipYrnENdHgyValKm TypMH2WlPT6xEZjqFfKb5jdqfoDAfOdWmJSWtwS3F8z6Fim16ZQxmo+MMC4ApDyfsBIw OwywFs+FMpIiEZOXgWnin8EbHFZi8Ng//iq7jT7i4wob8GxpebgpE2trtCxS3/7anjj7 SYMVhEHTJcozJSidyyQXBh0m5lWl0nVfM18JQIkkWhegRNHyHvZmPv4r5CTiK1nzgonj rDx+AqRTTx4ULn+OqB98ISpPr7Y6eVUEQPTt8n/25aCyNQPeblSQS9K+/e/HRl4IpKIE hpQA== X-Gm-Message-State: AC+VfDxUqaJvTNpNpkirHm2FrMcTmyIGSIpNmr25FU78wfi4zpoR5YW2 QmRbxNrCH1X2GDpBdTRWP7MyBH/W6MY= X-Google-Smtp-Source: ACHHUZ4x/kmMRFuVDQPoWm9oePlEoaxawv+Tl+xLy1w6ikaFM/ufb1HKrZ3JhOLWb11Z/yZ7OXbmMpfiMmA= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a81:4046:0:b0:55d:d5b1:c2bd with SMTP id m6-20020a814046000000b0055dd5b1c2bdmr10445571ywn.8.1687885720828; Tue, 27 Jun 2023 10:08:40 -0700 (PDT) Date: Tue, 27 Jun 2023 10:08:39 -0700 In-Reply-To: <20230601142309.6307-1-guang.zeng@intel.com> Mime-Version: 1.0 References: <20230601142309.6307-1-guang.zeng@intel.com> Message-ID: Subject: Re: [PATCH v1 0/6] LASS KVM virtualization support From: Sean Christopherson To: Zeng Guang Cc: Paolo Bonzini , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , H Peter Anvin , kvm@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Thu, Jun 01, 2023, Zeng Guang wrote: > This patch series provide a LASS KVM solution. ... and depends on kernel enabling that can be found at https://lore.kernel.org/all/20230609183632.48706-1-alexander.shishkin@linux.intel.com > We tested the basic function of LASS virtualization including LASS > enumeration and enabling in non-root and nested environment. As KVM > unittest framework is not compatible to LASS rule, we use kernel module > and application test to emulate LASS violation instead. With KVM forced > emulation mechanism, we also verified the LASS functionality on some > emulation path with instruction fetch and data access to have same > behavior as hardware. > > [1] Intel ISE https://cdrdv2.intel.com/v1/dl/getContent/671368 > Chapter Linear Address Space Separation (LASS)