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.gnu.org (lists.gnu.org [209.51.188.17]) (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 3D37DC48BF6 for ; Thu, 7 Mar 2024 13:11:33 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1riDWu-00079d-1j; Thu, 07 Mar 2024 08:11:24 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1riDWi-00077n-Qi for qemu-devel@nongnu.org; Thu, 07 Mar 2024 08:11:13 -0500 Received: from mgamail.intel.com ([192.198.163.8]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1riDWg-0002Qh-6I for qemu-devel@nongnu.org; Thu, 07 Mar 2024 08:11:12 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1709817070; x=1741353070; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=4wWbKFxPaspCb29yzhUTh9XUbtln+fvz2AzTl5umSWg=; b=dvzM66iRNEGjFbwUlF3tlVlRvzsXYWjA/KdgtJz/EHivkPTDJB3ODLpy UTZnE2hRaczYGDun+tWg9YqOqPBBBQY7FNJZjEFSoghbNSDI7Cv8YmSJA AvrKMyKdjkmRbRTeELwc2iEzr6AP1jdi4gfFCGw1Vculw6iGBBXGzyQL7 7l5aR4zfJN91yqFV0d3O59eWKZ5BUn7DZm9rD5qzCrjE2hPILKmlarAwU 3rEPYnUl8QTO2HCIwPAM6zpATm9rMmaom0QzdkG32Wev5Jp+jSkn3WF2N 7bvVbf5tJhNn81BWr0Lz7kR8PCeR7GFBxHRdYRI0L+u+TR4e84hMPh57T A==; X-IronPort-AV: E=McAfee;i="6600,9927,11005"; a="22006089" X-IronPort-AV: E=Sophos;i="6.07,211,1708416000"; d="scan'208";a="22006089" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Mar 2024 05:11:04 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,211,1708416000"; d="scan'208";a="10081841" Received: from liuzhao-optiplex-7080.sh.intel.com (HELO localhost) ([10.239.160.36]) by orviesa010.jf.intel.com with ESMTP; 07 Mar 2024 05:11:04 -0800 Date: Thu, 7 Mar 2024 21:24:49 +0800 From: Zhao Liu To: Vitaly Kuznetsov Cc: qemu-devel@nongnu.org, Paolo Bonzini Subject: Re: [PATCH RESEND v3 3/3] docs/system: Add recommendations to Hyper-V enlightenments doc Message-ID: References: <20240305164204.525575-1-vkuznets@redhat.com> <20240305164204.525575-4-vkuznets@redhat.com> <87sf12l6h3.fsf@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87sf12l6h3.fsf@redhat.com> Received-SPF: pass client-ip=192.198.163.8; envelope-from=zhao1.liu@intel.com; helo=mgamail.intel.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.583, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org > Hyper-V is a role you can enable in various Windows versions, both > server and client. When enabled, you get a hypervisor (which is called > 'Microsoft Hypervisor' as I was told) and your Windows becomes the root > partition (similar to Xen Dom0). In case you run this on KVM, Windows > becomes L2. Hyper-V enlightenments provided by KVM/QEMU are consumed by > the hypervisor then. > > Note: Hyper-V role is optional, in many cases Windows guests run without > it (no Hyper-V VMs, no WSL2, ...) and thus consume KVM's Hyper-V > enlightenments directly, no nested virt involved. Thanks much for your explanation! Regards, Zhao