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=-16.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 DF59AC4320A for ; Sat, 21 Aug 2021 11:49:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C0595611CB for ; Sat, 21 Aug 2021 11:49:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234755AbhHULuK (ORCPT ); Sat, 21 Aug 2021 07:50:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:34688 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234466AbhHULuJ (ORCPT ); Sat, 21 Aug 2021 07:50:09 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 413B7611CB; Sat, 21 Aug 2021 11:49:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1629546570; bh=Vc4SZYiaNxK5ztZcTp2G+n5lW8xqzWWlj/0WxDYBWBU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=wdbsEyAGnILl7tKTBVH1jnxE49z8ICDju/4ZJ7hVvWTpjxzohOKFMBBxfrxF/yxL8 uxq1Eri73coNkMWgiHmaUO6oAzR1mOkw8bhzs9BZD6yMOVWMH19xUoh49LvMEo52Ba UGe/0QGa+Tjkpmfl5Z/ONfm4c+nR87OQj2cPlS9I= Date: Sat, 21 Aug 2021 13:49:26 +0200 From: Greg KH To: Fei Li Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, yu1.wang@intel.com, shuox.liu@gmail.com Subject: Re: [PATCH 2/3] virt: acrn: Introduce interfaces for virtual device creating/destroying Message-ID: References: <20210820060306.10682-1-fei1.li@intel.com> <20210820060306.10682-3-fei1.li@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210820060306.10682-3-fei1.li@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Aug 20, 2021 at 02:03:05PM +0800, Fei Li wrote: > From: Shuo Liu > > The ACRN hypervisor can emulate a virtual device within hypervisor for a > Guest VM. The emulated virtual device can work without the ACRN > userspace after creation. The hypervisor do the emulation of that device. > > To support the virtual device creating/destroying, HSM provides the > following ioctls: > - ACRN_IOCTL_CREATE_VDEV > Pass data struct acrn_vdev from userspace to the hypervisor, and inform > the hypervisor to create a virtual device for a User VM. > - ACRN_IOCTL_DESTROY_VDEV > Pass data struct acrn_vdev from userspace to the hypervisor, and inform > the hypervisor to destroy a virtual device of a User VM. > > Signed-off-by: Shuo Liu > Signed-off-by: Fei Li > --- > drivers/virt/acrn/hsm.c | 24 ++++++++++++++++++++ > drivers/virt/acrn/hypercall.h | 26 ++++++++++++++++++++++ > include/uapi/linux/acrn.h | 42 +++++++++++++++++++++++++++++++++++ > 3 files changed, 92 insertions(+) > This is not the correct way to submit patches for inclusion in the stable kernel tree. Please read: https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html for how to do this properly.