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 528E9C05027 for ; Tue, 14 Feb 2023 11:27:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232559AbjBNL0d (ORCPT ); Tue, 14 Feb 2023 06:26:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38438 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232723AbjBNL0N (ORCPT ); Tue, 14 Feb 2023 06:26:13 -0500 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 98194E381 for ; Tue, 14 Feb 2023 03:26:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1676373970; x=1707909970; h=message-id:date:mime-version:cc:subject:to:references: from:in-reply-to:content-transfer-encoding; bh=I4OsreHvErywjGFLpFA5RnxHZeaT7fEvihXK6cVLf40=; b=E8dAWmMn4FkHLLb8Sy1FN9LSGaKroRNxRezkURKJHfUHb6iMt8csFGw8 NvGN70niknk9r2KLrNUii5lfFpfMrpJ4YDM0rd7arLy+gfoTC70xJ6SX2 4JKX1BrI8sHpnXI5mpiV4f3Rd1FFaa0HGlrhEL+hIW3sIqaQh1rBCQj9u tKiN/s5F5lu5k2awkGGvgXEd+S2/m/AHSrnx63PphibKgOkLcTa4rIskH WIOgTeMituusUNUU9Lpkvs8cLL4NZuboKk07mShW9LQgZvzla96Z1kZgI Gy1hQz8KkbfY2Lpa+WVm5zdY0jcw8sBYWbq7F4Z08TzH9ubgoeO7zEtYU A==; X-IronPort-AV: E=McAfee;i="6500,9779,10620"; a="395753462" X-IronPort-AV: E=Sophos;i="5.97,296,1669104000"; d="scan'208";a="395753462" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Feb 2023 03:26:09 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10620"; a="778290040" X-IronPort-AV: E=Sophos;i="5.97,296,1669104000"; d="scan'208";a="778290040" Received: from blu2-mobl.ccr.corp.intel.com (HELO [10.255.29.229]) ([10.255.29.229]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Feb 2023 03:26:06 -0800 Message-ID: <28b41700-d9f8-c065-7599-6c4b32fdfe4d@linux.intel.com> Date: Tue, 14 Feb 2023 19:26:04 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.7.2 Cc: baolu.lu@linux.intel.com, Robin Murphy , Will Deacon , David Woodhouse , Raj Ashok , "Tian, Kevin" , Yi Liu Subject: Re: [PATCH v2 1/3] iommu/vt-d: Remove virtual command interface To: Jacob Pan , LKML , iommu@lists.linux.dev, Jason Gunthorpe , Joerg Roedel , Jean-Philippe Brucker References: <20230214064414.1038058-1-jacob.jun.pan@linux.intel.com> <20230214064414.1038058-2-jacob.jun.pan@linux.intel.com> Content-Language: en-US From: Baolu Lu In-Reply-To: <20230214064414.1038058-2-jacob.jun.pan@linux.intel.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2023/2/14 14:44, Jacob Pan wrote: > Virtual command interface was introduced to allow using host PASIDs > inside VMs. It is unused and abandoned due to architectural change. > > With this patch, we can safely remove this feature and the related helpers. > > Link:https://lore.kernel.org/r/20230210230206.3160144-2-jacob.jun.pan@linux.intel.com > Signed-off-by: Jacob Pan > Reviewed-by: Kevin Tian > Reviewed-by: Jason Gunthorpe Reviewed-by: Lu Baolu Best regards, baolu