From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id A6C7D28C2B8; Thu, 10 Jul 2025 09:01:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=13.77.154.182 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752138077; cv=none; b=PV4j1UZobSHc4+842VeyAVcFWKBFTKuuWNz8UVc/9SOtuJQzNN030ePio55sp7ZOxji9m+tTD9ndKLVmA561q0hY017RKGZUxJ30ZQSH2oVRl7i/o27f72DIWGABpH6BSthcWFrmKVHcWDp7pBDg3EMhXYVLCNFruDTHv7v81GM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752138077; c=relaxed/simple; bh=1ZgjcPt9CkUrby8Vad2FszjM+h8Ujoln/ehX/EZ4vA0=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=M3bWNmT2IuX7CtYbNThD8Jh/62Cxu4B2GsrxdG67AtpsIxfGyqo7gupCMxpA+z76S3VLhYJ/bw6r6PeatuJQLZD5Bn787461YudlCMJSzyZ8ajDy9ECAQ1GYc+UsgafHEJRfZroXUsmEGgXVBMDexVTO8Ve7m9a5zA3eaVW0XvA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com; spf=pass smtp.mailfrom=linux.microsoft.com; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b=qOGDr0C/; arc=none smtp.client-ip=13.77.154.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="qOGDr0C/" Received: from [100.79.160.22] (unknown [4.194.122.136]) by linux.microsoft.com (Postfix) with ESMTPSA id C54BA2116DB2; Thu, 10 Jul 2025 02:01:11 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com C54BA2116DB2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1752138075; bh=HL7ROpKz+NyMfjU8c9SiXfT1Nmhu0bdk21Sb4PNKtro=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=qOGDr0C/RQuFWOMsayOvarWWZB4ieNgyq6s5bTKooxJMQvXQh3lRIjupZyQLWBe5C a1eHJ7afyGm6i9mbrY5wTHnmfCE3B7PTB8lR833ut/D4jNnPwDLcHRDPE2bbN21Gj7 7YcodfDxLYji9kl7SWSo/tURzMw8JUi9vtmELi7I= Message-ID: <45958272-1127-465d-a56e-65d7f0bff1bf@linux.microsoft.com> Date: Thu, 10 Jul 2025 14:31:08 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 2/2] Drivers: hv: Introduce mshv_vtl driver To: Michael Kelley , "K . Y . Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui Cc: Roman Kisel , Anirudh Rayabharam , Saurabh Sengar , Stanislav Kinsburskii , Nuno Das Neves , ALOK TIWARI , "linux-kernel@vger.kernel.org" , "linux-hyperv@vger.kernel.org" References: <20250611072704.83199-1-namjain@linux.microsoft.com> <20250611072704.83199-3-namjain@linux.microsoft.com> Content-Language: en-US From: Naman Jain In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 7/9/2025 10:49 PM, Michael Kelley wrote: > From: Naman Jain Sent: Wednesday, June 11, 2025 12:27 AM >> >> Provide an interface for Virtual Machine Monitor like OpenVMM and its >> use as OpenHCL paravisor to control VTL0 (Virtual trust Level). >> Expose devices and support IOCTLs for features like VTL creation, >> VTL0 memory management, context switch, making hypercalls, >> mapping VTL0 address space to VTL2 userspace, getting new VMBus >> messages and channel events in VTL2 etc. >> > > I know it has been 4 weeks since you posted this patch, but I'm just > now getting around to reviewing it. :-( > > I've reviewed most of it reasonably carefully, but there are some > parts, such as entering/exiting VTLs that I don't know the details of, > and so just glossed over. > Thanks Michael for your review comments. ARM64, sev-SNP support, along with other features are in pipeline, and will be taken up once we have a working driver in, for x86. I'll address your comments and make the required changes in coming days. Regards, Naman