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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 443B1C28B28 for ; Wed, 12 Mar 2025 16:36:47 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.910546.1317234 (Exim 4.92) (envelope-from ) id 1tsP44-00059i-MX; Wed, 12 Mar 2025 16:36:16 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 910546.1317234; Wed, 12 Mar 2025 16:36:16 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1tsP44-00059b-Jn; Wed, 12 Mar 2025 16:36:16 +0000 Received: by outflank-mailman (input) for mailman id 910546; Wed, 12 Mar 2025 16:36:15 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1tsP42-00058Z-Vw for xen-devel@lists.xenproject.org; Wed, 12 Mar 2025 16:36:15 +0000 Received: from mail-pj1-x102e.google.com (mail-pj1-x102e.google.com [2607:f8b0:4864:20::102e]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 1bf8898a-ff60-11ef-9898-31a8f345e629; Wed, 12 Mar 2025 17:36:13 +0100 (CET) Received: by mail-pj1-x102e.google.com with SMTP id 98e67ed59e1d1-2ff187f027fso168923a91.1 for ; Wed, 12 Mar 2025 09:36:13 -0700 (PDT) Received: from localhost ([84.78.159.3]) by smtp.gmail.com with UTF8SMTPSA id 98e67ed59e1d1-30119265943sm2014196a91.36.2025.03.12.09.36.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Mar 2025 09:36:11 -0700 (PDT) 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: 1bf8898a-ff60-11ef-9898-31a8f345e629 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=citrix.com; s=google; t=1741797372; x=1742402172; darn=lists.xenproject.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=M9Ip+TLrjNLUnpSlMDUjqctFg+lcOgix2F6wl6STCfM=; b=YlAODTrry2ZasBFKQb1Dgs8+jbuRDt8mLOergIP8CL6QcD5PGxZx7ntVoZjKfl8tZ/ vcuhsO7YQC3DuXEN4gVNlHkk5/OeOZ6ZJ1hdp5L4BG0UGqZu1cZDurbVXfkP17zwlBqc R/XfU5Qh0SrNoq7sBJy7Sfh4PdBrfRklyp0ZE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1741797372; x=1742402172; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=M9Ip+TLrjNLUnpSlMDUjqctFg+lcOgix2F6wl6STCfM=; b=aZy59i42X53iCnSU0ATm8NGlh3RFpYc5Q20oMHMb/QjDk2NX+vOJjmXbkzLcrtRYY0 EOJD/YlOsPOg3Fpgo0MVQnlLoCLvnH3C2Fqecv+/fAqp29SJxndBa93kDwZLrIlM+PQg MFNM/0hjoP/8EaSMx7BOh98oeMzLAA8mRAzGlE7YmBKoXNlRzsUwSOUF0e1Tokk93gMX JCSmXd2d9y6Zd/c5xJt+3kKBY+8LAB+fpFsvhsXu9D0jyh73i3yEDzjWQyLfW+F04uwF FAmni3XVnaIBQj5/x8/HVOJQgAE6Dyx2Heuqgyw4pKXvgYlUm1mKe/N6RlDBl4eqWRT/ D+Vg== X-Forwarded-Encrypted: i=1; AJvYcCVBkit6EAiZJnmmKa2iRcutcZcx/6aDmUToop5rkams4iXxuOvnrEt1w80KG3JfgTLlUAw99OsW2/E=@lists.xenproject.org X-Gm-Message-State: AOJu0Ywe9f7ftYiMhq2VNOY6WpQALejxvDPwMiURS1PbRBNDjlxKCd8w ms7oPV/+A4T9BexWigOXc8AFzWAb6U02uE4+lqD/A5MKz6Dv6NxO/i9KzuDAnB4= X-Gm-Gg: ASbGncvj0qhzn9Fh83kAQR3bS0hqehZAAs/iG+ldsiEQhaqF/+r4t3f9kWHeLOgokZq 3pvgID6E9Rsdb1A9g9EE7wPHAS292wQ2uyRBLcCGoFrJqKvNc6zmLkpVxE6Nx79GQJul0Uc3N1y MspRZvjMMmopVsF7o8Wj+4aqPLAq3IeJ7zM4nvHCNchEWZxZPb7xEYYHHgZ3rjlA+sxVlvR2V75 kl27ErMClg/ECY++DS7BZmAa57JvKHWmISiJxXlW3dFrAKD7FK7rZW0Sq6fl3wC6kilM9Q47zXj hl9IdMezhFb3FR/I8Bpnm4K4udhnG1HXiQnV+tnK352fJjZ82g== X-Google-Smtp-Source: AGHT+IEtNelhitUjRi629pSLf+aeDvl+mztEQBveE61NAVp/14CsRSVGKhxccw6BR63Qhf855cjmnA== X-Received: by 2002:a17:90b:520e:b0:2fe:93be:7c9d with SMTP id 98e67ed59e1d1-30132d4ea33mr283537a91.7.1741797371570; Wed, 12 Mar 2025 09:36:11 -0700 (PDT) Date: Wed, 12 Mar 2025 17:36:05 +0100 From: Roger Pau =?utf-8?B?TW9ubsOp?= To: Jan Beulich Cc: Jiqian Chen , Community Manager , Oleksii Kurochko , Huang Rui , xen-devel@lists.xenproject.org Subject: Re: [PATCH v1] CHANGELOG.md: Mention PCI passthrough for HVM domUs Message-ID: References: <20250312040220.2624329-1-Jiqian.Chen@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: On Wed, Mar 12, 2025 at 09:51:09AM +0100, Jan Beulich wrote: > On 12.03.2025 05:02, Jiqian Chen wrote: > > PCI passthrough is already supported for HVM domUs when dom0 is PVH > > on x86. The last related patch on Qemu side was merged after Xen4.20 > > release. So mention this feature in Xen4.21 entry. > > > > Signed-off-by: Jiqian Chen > > --- > > CHANGELOG.md | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/CHANGELOG.md b/CHANGELOG.md > > index 7201c484f899..b6de9b72ea7a 100644 > > --- a/CHANGELOG.md > > +++ b/CHANGELOG.md > > @@ -12,6 +12,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) > > - On x86: > > - Option to attempt to fixup p2m page-faults on PVH dom0. > > - Resizable BARs is supported for PVH dom0. > > + - Support PCI passthrough for HVM domUs when dom0 is PVH. > > Aren't we still in need of SR-IOV support in order to make such an > unconditional statement? I view SR-IOV as kind of orthogonal to this: SR-IOV is not supported at all on PVH dom0, so it's not just pass through, but the capability itself that won't work as expected when using such devices. Regards, Roger.