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 CE2F8C4167B for ; Fri, 9 Dec 2022 18:17:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229886AbiLISRJ (ORCPT ); Fri, 9 Dec 2022 13:17:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44752 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229968AbiLISQ6 (ORCPT ); Fri, 9 Dec 2022 13:16:58 -0500 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 06ED8AC6DF; Fri, 9 Dec 2022 10:16:57 -0800 (PST) Received: from [192.168.0.5] (71-212-113-106.tukw.qwest.net [71.212.113.106]) by linux.microsoft.com (Postfix) with ESMTPSA id 7333820B83C2; Fri, 9 Dec 2022 10:16:56 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 7333820B83C2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1670609816; bh=lzFnTftRvxlZ+Gp85uwktXavpvOXAhfKFviLo3DMfwo=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=ml8VmkXz4Y1dj/DbMqloNM7VMWznzIn+ig7QaDWVQbzj1O7/crKJi1zVjqTWT09q0 0rRVt7NwqKNDuqt/c+8B0kq9cqw+dPNLVCBknhjt5lKwQiEvcPdzeMhayh3VpBpaa3 g6iK/YUGVnqJ0UOP/IhoWG4+JVexLjnYaT+TCfYs= Subject: Re: [PATCH v8 4/5] Drivers: hv: Enable vmbus driver for nested root partition To: Jinank Jain , jinankjain@microsoft.com Cc: kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, arnd@arndb.de, peterz@infradead.org, jpoimboe@kernel.org, seanjc@google.com, kirill.shutemov@linux.intel.com, ak@linux.intel.com, sathyanarayanan.kuppuswamy@linux.intel.com, linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, anrayabh@linux.microsoft.com, mikelley@microsoft.com References: From: Nuno Das Neves Message-ID: Date: Fri, 9 Dec 2022 10:16:56 -0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Thunderbird/68.12.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org On 12/8/2022 9:32 PM, Jinank Jain wrote: > Currently VMBus driver is not initialized for root partition but we need > to enable the VMBus driver for nested root partition. This is required, > so that L2 root can use the VMBus devices. > > Signed-off-by: Jinank Jain > --- > drivers/hv/vmbus_drv.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c > index 0f00d57b7c25..6324e01d5eec 100644 > --- a/drivers/hv/vmbus_drv.c > +++ b/drivers/hv/vmbus_drv.c > @@ -2745,7 +2745,7 @@ static int __init hv_acpi_init(void) > if (!hv_is_hyperv_initialized()) > return -ENODEV; > > - if (hv_root_partition) > + if (hv_root_partition && !hv_nested) > return 0; > > /* > Reviewed-by: Nuno Das Neves