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 80C10CAC58E for ; Thu, 11 Sep 2025 16:27:50 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uwk8M-0004RN-CD; Thu, 11 Sep 2025 12:26:54 -0400 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 1uwk8K-0004QL-0k for qemu-devel@nongnu.org; Thu, 11 Sep 2025 12:26:52 -0400 Received: from linux.microsoft.com ([13.77.154.182]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uwk8I-0000xE-BG for qemu-devel@nongnu.org; Thu, 11 Sep 2025 12:26:51 -0400 Received: from example.com (unknown [167.220.208.69]) by linux.microsoft.com (Postfix) with ESMTPSA id 186462114256; Thu, 11 Sep 2025 09:26:41 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 186462114256 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1757608006; bh=RnNa2D0LvBR/ANdd/t0aE0uQ9LainLgotmMqzXME0Z8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ddZ+ZeO83bosFj6lKOLoRIb3pk4sUrD6h5z8IXAVp/YTCaCECUnmLmDBBBgYl7zzV GyLTa0LI/8jThHjbpLXYwpSyk/BFxTBeVFdEsa6Kl17jL9pl4zmQuIfY+GJFYZtH8U CyFTWiJZmGUYw/wrYvAyWAjjRAbJJ7CY2MRLwCOs= Date: Thu, 11 Sep 2025 18:26:39 +0200 From: Magnus Kulke To: Paolo Bonzini Cc: "Michael S. Tsirkin" , qemu-devel@nongnu.org, Eric Blake , Eduardo Habkost , Markus Armbruster , Magnus Kulke , Richard Henderson , Phil Dennis-Jordan , Marcel Apfelbaum , Alex =?iso-8859-1?Q?Benn=E9e?= , Daniel =?iso-8859-1?Q?P=2E_Berrang=E9?= , Magnus Kulke , Cornelia Huck , Zhao Liu , Thomas Huth , Yanan Wang , Cameron Esfahani , Wei Liu , Wei Liu , =?iso-8859-1?Q?Marc-Andr=E9?= Lureau , Roman Bolshakov , Philippe =?iso-8859-1?Q?Mathieu-Daud=E9?= Subject: Re: [PATCH v3 00/26] Implementing a MSHV (Microsoft Hypervisor) accelerator Message-ID: References: <20250807143951.1154713-1-magnuskulke@linux.microsoft.com> <20250911025906-mutt-send-email-mst@kernel.org> <17ac0ef9-1c10-4f84-be24-b0f25c7e78fb@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <17ac0ef9-1c10-4f84-be24-b0f25c7e78fb@redhat.com> Received-SPF: pass client-ip=13.77.154.182; envelope-from=magnuskulke@linux.microsoft.com; helo=linux.microsoft.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 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 On Thu, Sep 11, 2025 at 05:21:44PM +0200, Paolo Bonzini wrote: > On 9/11/25 08:59, Michael S. Tsirkin wrote: > > On Thu, Aug 07, 2025 at 04:39:25PM +0200, Magnus Kulke wrote: > > > Hey all, > > > > > > This is the third revision of a patch set implementing an accelerator > > > for the MSHV kernel driver, exposing HyperV to Linux "Dom0" hosts in various > > > scenarios. Thank you for the feedback so far. Since the last revision we > > > incorporated feedback from the last review and identified further areas for > > > performance fixes, notably in the irqfd handling. I'm looking forward to your > > > comments. > > > > > > Best regards, > > > > > > magnus > > > > > > So regarding merging plans. Did you guys get in touch > > with Sunil? That's the easiest smoothest path, through > > an existing maintainer. > > There's hardly any code shared with WHPX; I am on vacation this week but > I'll do a final review and merge it soon. > > Paolo > Hello Paolo, we intend to post a V4 soon-ish (next week probably) which will include a necessary update to some IOCTLs calls. that and some minor changes due to review feedback and a rebase, since this is a couple of weeks old already. It probably makes sense to to wait for that. best, magnus