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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id E779FC433EF for ; Fri, 8 Apr 2022 21:35:19 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 3B7496B0071; Fri, 8 Apr 2022 17:35:19 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 364526B0072; Fri, 8 Apr 2022 17:35:19 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 205106B0073; Fri, 8 Apr 2022 17:35:19 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (relay.hostedemail.com [64.99.140.28]) by kanga.kvack.org (Postfix) with ESMTP id 0E1926B0071 for ; Fri, 8 Apr 2022 17:35:19 -0400 (EDT) Received: from smtpin09.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay13.hostedemail.com (Postfix) with ESMTP id BA30161313 for ; Fri, 8 Apr 2022 21:35:18 +0000 (UTC) X-FDA: 79335017916.09.4294B90 Received: from mail-pf1-f174.google.com (mail-pf1-f174.google.com [209.85.210.174]) by imf11.hostedemail.com (Postfix) with ESMTP id 4F31740008 for ; Fri, 8 Apr 2022 21:35:18 +0000 (UTC) Received: by mail-pf1-f174.google.com with SMTP id bo5so9500893pfb.4 for ; Fri, 08 Apr 2022 14:35:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=1qOh37iLUcxnJDmoGj1A0J8wEY8rbxtdTzE2pYYO2Ks=; b=K7ke0nxKWUWDfr1v0VmW7e7Sj+uaxy5yBp10RU78CNH/g52aooIPr2w/v94GPqq3yt zFQSXrnXOZwWVUdkVrnXqcdRHdIfF/bEXnSJnFQRftzCNuBi1e8Qhjqx8VPGVIHFvCXB 2Z8dmxdfIM2m4yiW/h/ciGT0wL20FvLMroNAuoVc3UK7tZGvENlBr1v4Ga4ak5TS0xT7 EVCU5/eAZq6lWcTbvTxiMajlg+tAlQpvVvxFpD9bd10ybCnJ2A+a3w5D0mo5UZtae6pZ 0Cu/TPA4wIOD9fd48Rf6GMXJ5k7Fa9yM+N6O3DNJ4Y5rx+o8OM4kClD90lO10A1XGyd+ MH1Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=1qOh37iLUcxnJDmoGj1A0J8wEY8rbxtdTzE2pYYO2Ks=; b=Ed33/nRxuhMp26dFGz0nnjjRLPlE0Z7tQSR86cRlDcrl/cy6J79gHNNsIpnrNPIP9Q sgGV6Nk2LiN4GcQZxJFLgG1UZQuqtmaQUM7sWZTF0rqAgg55pap6Ai5ZDcNZoXTR95ky qi1CfKrj80eMIm8nTBOzQVGMRoEs4+n3zQdth3B1X7y2Jq3AlY30Xqtf8cyHKWI74cww oIJYaiXhPCJu7Khe95+5ZbvqRTUmu1sTTkAKpGAzvQBXBWFfcBeHE4Nuq7UkYbn4oHWs 38DLV3LjG501tizSmi7mktopWDKZ3lu7Je6eF1SYvMfYjDVSG7xqCuiqe5bRSwg+LsM7 ZGEw== X-Gm-Message-State: AOAM531/y5S71xuCT0N66qwrpooj1ClGeSAnDzLFRuO+nsLdFuuMoWRq 8n9e8TenCToJ9PCTFW4PUkPEHBzT/zIMlUlvygBIKQ== X-Google-Smtp-Source: ABdhPJxus4Jbsc/w4aGFY60Ag12TVzRnVuVqzB94CGBFmaLEQk//iA1NOJ2EJlj9NmymKztcqpk5RfgvqqLZIEnC9mU= X-Received: by 2002:a65:53cc:0:b0:382:8506:f1a6 with SMTP id z12-20020a6553cc000000b003828506f1a6mr17358980pgr.44.1649453716972; Fri, 08 Apr 2022 14:35:16 -0700 (PDT) MIME-Version: 1.0 References: <20220310140911.50924-1-chao.p.peng@linux.intel.com> In-Reply-To: From: Vishal Annapurve Date: Fri, 8 Apr 2022 11:35:05 -1000 Message-ID: Subject: Re: [PATCH v5 00/13] KVM: mm: fd-based approach for supporting KVM guest private memory To: Andy Lutomirski Cc: Chao Peng , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-api@vger.kernel.org, qemu-devel@nongnu.org, Paolo Bonzini , Jonathan Corbet , Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H . Peter Anvin" , Hugh Dickins , Jeff Layton , "J . Bruce Fields" , Andrew Morton , Mike Rapoport , Steven Price , "Maciej S . Szmigiero" , Vlastimil Babka , Yu Zhang , "Kirill A . Shutemov" , Jun Nakajima , dave.hansen@intel.com, ak@linux.intel.com, david@redhat.com Content-Type: text/plain; charset="UTF-8" X-Rspam-User: X-Stat-Signature: 7ex7xenemz16f7daohiof98sr9zjw57a Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=google.com header.s=20210112 header.b=K7ke0nxK; spf=pass (imf11.hostedemail.com: domain of vannapurve@google.com designates 209.85.210.174 as permitted sender) smtp.mailfrom=vannapurve@google.com; dmarc=pass (policy=reject) header.from=google.com X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 4F31740008 X-HE-Tag: 1649453718-340628 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, Mar 28, 2022 at 10:17 AM Andy Lutomirski wrote: > > On Thu, Mar 10, 2022 at 6:09 AM Chao Peng wrote: > > > > This is the v5 of this series which tries to implement the fd-based KVM > > guest private memory. The patches are based on latest kvm/queue branch > > commit: > > > > d5089416b7fb KVM: x86: Introduce KVM_CAP_DISABLE_QUIRKS2 > > Can this series be run and a VM booted without TDX? A feature like > that might help push it forward. > > --Andy I have posted a RFC series with selftests to exercise the UPM feature with normal non-confidential VMs via https://lore.kernel.org/kvm/20220408210545.3915712-1-vannapurve@google.com/ -- Vishal