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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 8B119FDEE5F for ; Fri, 24 Apr 2026 02:43:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=FBHOtpJQHJTe8YoNSAyPy2fdePzUXiELfnJvnoPASMM=; b=WfruETnMZYxMWEz5UlCLNwwEhO +0LCOEgzxzIOK1xcs6ASkSORl+wW9VD5NEibK3nZtBSxRes4OKBPMYDjM3DY0LguhnyP0/drz/Fwk 7U7zR1t/9VETNdGvT8Rgg69U2PLhuJ5nfI7OGRb4X99omqLko1g7awanZ3BztsLxN4DEgoDg4Ybcp gwP5uMztTGUmSUGx6SzDb+U/2vNt+kFWQkSnb6w1EUjsnpy5/FGf29XqRxeWxOp8Rwo0CxYzDVDba U7TlV+MpzXGe2MFXROENSpmF/sS/WMQxBHOfuBZz9hWSc6Ny49KHHd7BEO+SG13Q8mSmTlAlh3hvF gw4LAsTA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wG6Vc-0000000CVzY-0iOB; Fri, 24 Apr 2026 02:43:12 +0000 Received: from mgamail.intel.com ([192.198.163.19]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wG6VZ-0000000CVyp-07yE for linux-arm-kernel@lists.infradead.org; Fri, 24 Apr 2026 02:43:10 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1776998589; x=1808534589; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=j2wYXEfdv0dE8/XEklFeV4fc3oP0ONQSD1BC2wLT97g=; b=J3gZV6prM5uIQQshpkeXWqMqY4TTVukJFTt0snWtZ+hUV6ApGouTslb0 8nH6xt93sse75m+2mmuQr7cK+EMg8OeDB9yIC2CJnXvOWCVchgHXLl48G JLTiJilB6agjxHyxiuKXjA2FjSOi1JttWPouX5l+td46j7uOkb2BFuojs 3035i9qXALPVe4CiXnMsFnCF6KZBYUaE75vvW38o9/qAceuHyERhSjhE5 iktq52q1O3hQtvhzLSGqO/egyaN0QBNKt3lTfARuhnd97S9Qx531Sk5hg G/fVXigne16pRi4dY++niF94+KhBcKHWHXU1YLbTNMD0heThjaT4iAa4j A==; X-CSE-ConnectionGUID: FlskqdjvTHC6mqoGjBuuEA== X-CSE-MsgGUID: wbOs23xVR4WGwKMWm+G+nw== X-IronPort-AV: E=McAfee;i="6800,10657,11765"; a="77008202" X-IronPort-AV: E=Sophos;i="6.23,195,1770624000"; d="scan'208";a="77008202" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Apr 2026 19:43:08 -0700 X-CSE-ConnectionGUID: MrEiUpgATxusCdSVkTkrKA== X-CSE-MsgGUID: bntkoq9+RZqPQ6h+r3WxdQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,195,1770624000"; d="scan'208";a="226289922" Received: from allen-sbox.sh.intel.com (HELO [10.239.159.30]) ([10.239.159.30]) by fmviesa009-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Apr 2026 19:43:04 -0700 Message-ID: <55144f96-35f6-40b5-a29d-b2dd80b37ec7@linux.intel.com> Date: Fri, 24 Apr 2026 10:40:59 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 04/11] iommu: Add __iommu_group_block_device helper To: Nicolin Chen , Will Deacon , Robin Murphy , Joerg Roedel , Bjorn Helgaas , Jason Gunthorpe Cc: "Rafael J . Wysocki" , Len Brown , Pranjal Shrivastava , Mostafa Saleh , Kevin Tian , linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org, vsethi@nvidia.com, Shuai Xue References: <5bf2e259f80696c498cb15f40452862e4b43a295.1776381841.git.nicolinc@nvidia.com> Content-Language: en-US From: Baolu Lu In-Reply-To: <5bf2e259f80696c498cb15f40452862e4b43a295.1776381841.git.nicolinc@nvidia.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260423_194309_085368_B5589539 X-CRM114-Status: UNSURE ( 8.18 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 4/17/26 07:28, Nicolin Chen wrote: > Move the RID/PASID blocking routine into a separate helper, which will be > reused by a new function to quarantine the device but does not bother the > gdev->reset_depth counter. > > No functional changes. > > Suggested-by: Kevin Tian > Signed-off-by: Nicolin Chen > --- > drivers/iommu/iommu.c | 99 ++++++++++++++++++++++++------------------- > 1 file changed, 56 insertions(+), 43 deletions(-) Reviewed-by: Lu Baolu