From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D5901270031 for ; Thu, 27 Feb 2025 03:49:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740628161; cv=none; b=dVrlmYlw2ftYV/56LKij38tyZ3BuaOORPd23ZJacB7z6s/4dc7s78Y/6Qpntm3Jc9WguE26fKHMPB95wNCBHjqU3e0jOjts3Iy9wNsyxYHe31al92RY42sB2qHtvhisUylMNtODh9tDZ9Vtio+RKFw/9xMzwtcJLlI0M2G8A/r0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740628161; c=relaxed/simple; bh=j/P4RhfiAsmQrLDYUd2fouHU/qTrqu79tHMStWc5Es8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=HJv3KdeL43eyp5cFWluAFn2LE57QAw+UtxfvykdY8Nla9ys0gcEGBA1V6J5oAtnPMHmGrE8CANlagQJqQzUal5Ezs/JOXTC5ueam5E9prBtlkULu659DvuhyyLHovL6H7K9NiTkgTHKv4fkUfGuf4CaD21x7gmVGVuBdJ5NmA20= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=G1lKjZRV; arc=none smtp.client-ip=192.198.163.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="G1lKjZRV" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1740628160; x=1772164160; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=j/P4RhfiAsmQrLDYUd2fouHU/qTrqu79tHMStWc5Es8=; b=G1lKjZRVDiS0FpyBqM0NJE2+CiE+b9jh3s3HpCFSZ06M8G3qVFYxAXUP QXbKTi9UJBoxKfho03SkBlhIxJONDTQxqEw2kvCNZusDo724Mqv9cwAqF wXu0AXYBJC+LEdjBDADofgEG0ihm3BVUJ7I8OjIFa0ssGSoxSKIMden2K n/GvzvOV/iZlDbdxUEr0v47Dbf5xnOTmCVwiruUMbfyICccJiiJSLUHf7 y2TTC7zGG2LBDtLb17Maov4XbaahKx//KZuj1mlKsCwN+VgvB5baDyAJc Nk8LC4Xl9hGQBggzEssKNIGFuZhQv0rvg7g1A8sT3Tl1xp5bjXhVJiaLh A==; X-CSE-ConnectionGUID: z5lQezjOQBGAg0harGFslQ== X-CSE-MsgGUID: eDe30wO2RR+MRpuBjZCeGg== X-IronPort-AV: E=McAfee;i="6700,10204,11357"; a="40743685" X-IronPort-AV: E=Sophos;i="6.13,319,1732608000"; d="scan'208";a="40743685" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Feb 2025 19:49:19 -0800 X-CSE-ConnectionGUID: DMJyz6shTAyIEnTVHzP+zQ== X-CSE-MsgGUID: qXw8KO4LSLucJ/W9KBPb8w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="117818471" Received: from allen-sbox.sh.intel.com (HELO [10.239.159.30]) ([10.239.159.30]) by orviesa008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Feb 2025 19:49:17 -0800 Message-ID: <6d580104-eaa9-4315-8140-a88a2a05d38b@linux.intel.com> Date: Thu, 27 Feb 2025 11:46:01 +0800 Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v8 08/12] iommu/vt-d: Add IOMMU_HWPT_ALLOC_PASID support To: Yi Liu , kevin.tian@intel.com, jgg@nvidia.com Cc: joro@8bytes.org, iommu@lists.linux.dev, nicolinc@nvidia.com References: <20250226114032.4591-1-yi.l.liu@intel.com> <20250226114032.4591-9-yi.l.liu@intel.com> Content-Language: en-US From: Baolu Lu In-Reply-To: <20250226114032.4591-9-yi.l.liu@intel.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2/26/25 19:40, Yi Liu wrote: > Intel iommu driver just treats it as a nop since Intel VT-d does not have > special requirement on domains attached to either the PASID or RID of a > PASID-capable device. > > Signed-off-by: Yi Liu Reviewed-by: Lu Baolu