From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qk1-f177.google.com (mail-qk1-f177.google.com [209.85.222.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 56E2E633 for ; Wed, 8 May 2024 00:04:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.222.177 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715126697; cv=none; b=LcP/z2l2zyObgVDSld4CZJjK5Q55VIvwGJ+xp0pb6VTmmNZI2YZmsxY4SZOawXb7WL0zNn40ySY1ahSkLZ4fKmrfPDwm5F62wkcs9q1K2vYuI3ZyvUkJHW3rrkpa5zFs4U+ubIheHJzHChhc2eYoNc6QK6Pq+kwIZBFDcMydl9Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715126697; c=relaxed/simple; bh=EJN6mlEQptyW+8QYnpWcKaJ9kN9jPZky98kePf90PeM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=C92rE/rrDptd2ebMFWh9PqIbp3wehUrff9MSWDsDbOkDAXpPKPnTDw8LG5HOdtM1yMPDXP2EfWVDMhJ+wtGuO4xiHy7YMWa2ChLPEztAN4oKFDTQoFUoT9qvk1Ol0AfEzWURpQwSJPAQLieBZ7H+z8fiW8GUArFxIVIk7IShiLg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ziepe.ca; spf=pass smtp.mailfrom=ziepe.ca; dkim=pass (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b=d8evcJLT; arc=none smtp.client-ip=209.85.222.177 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ziepe.ca Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ziepe.ca Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b="d8evcJLT" Received: by mail-qk1-f177.google.com with SMTP id af79cd13be357-7928dae7befso328136985a.0 for ; Tue, 07 May 2024 17:04:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; t=1715126695; x=1715731495; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=Vwwfu9gXxuRQ/Lnag+3klP7eYPeDRNPyKKE1ARsN48s=; b=d8evcJLTJy+8PC0y55ogKbJYsIs07RACpF+JUcjU4FQwxec4Pjhc9SIRrlcsf/gIEF JO/rUANvUpt/fuXaGI6CcQ+F/08/HNOsJsKVbh7/k03pQ6LY9VAE2bmpFbSuKidfD2H/ UhnXbqGFoi7TVrUD25TjwMCEX1kC7VIWAJOucgCNHOrM1U5UDBhb79BpJb0HODBhf75a cGTphCQkv31pmV5eOxeeFCtr9LeBBZRMMmSuMTM/SOf0RkWm/z7xwrjYIu9gbbEeG9Yk /lJgxIXAQnaaT7BTaoxhNWAU7KKN3r41Z8E2IV8ZULUbT9oPnE72yV0RyoOUu7xCJX+m Ofhg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1715126695; x=1715731495; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=Vwwfu9gXxuRQ/Lnag+3klP7eYPeDRNPyKKE1ARsN48s=; b=VEUonHh2PWSy2KRgXnkurZG6NH7lGXRFQXCH5QiAY/7MqcxlwZ0QYH7n3+6dBKVuI6 EYe3L2+2nupQj6tOF7uSZX1dN8qAGQHRb/R7LLou65UQXeNFtrnWmmzmOq/4JwnFYXTQ pztoggebgq7o5WhN54Kg/1+ct4kRejAcC+lv1caVhevM6jFgR/IFt77519SEQOw8GSUE JAQNJBHjD4vckL0IVch5SHnfiU3k+0L6m/rbIewRr3Gf36XKRp9OF3sxIUoftCNLFqnM di344WlClsScaVmWQA0Bg3+m3q+mBkWPgkSFUkw4PfiRlVSbZ2DHmjJwUCjeUMRNVq29 UM4Q== X-Forwarded-Encrypted: i=1; AJvYcCU0m5dCP3Hwaq0/ZVZVi2m41oBOXkfartMwL/P5FZv4/mh0QvfdximfXe8Oi6zKrTDIHtfxawmTFy1zf80VPGA+5v+B2ftqJ1qPVGV5 X-Gm-Message-State: AOJu0YyACUZTFKOpR4U89GF/6GElcToCmoyCX3isZUhAZjkudaeT/8Q2 czH8AyRgzEm2JasHhRbo/K65c9QAe50qkg2vROQ7UKr863LfOTMY2hEgTDL9fng= X-Google-Smtp-Source: AGHT+IHYYyzxl2qn3bcVXy98/9Q/oTYtmKwzIdmiSS76208dyr73dlmOHTUi+Oep8QKsaSqr7cfBKw== X-Received: by 2002:a05:620a:c07:b0:792:9167:5982 with SMTP id af79cd13be357-792b26ae168mr130112085a.15.1715126695290; Tue, 07 May 2024 17:04:55 -0700 (PDT) Received: from ziepe.ca (hlfxns017vw-142-68-80-239.dhcp-dynamic.fibreop.ns.bellaliant.net. [142.68.80.239]) by smtp.gmail.com with ESMTPSA id n10-20020a05620a222a00b007929914d7cbsm2454612qkh.81.2024.05.07.17.04.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 May 2024 17:04:54 -0700 (PDT) Received: from jgg by wakko with local (Exim 4.95) (envelope-from ) id 1s4Unm-00040d-AR; Tue, 07 May 2024 21:04:54 -0300 Date: Tue, 7 May 2024 21:04:54 -0300 From: Jason Gunthorpe To: Lu Baolu Cc: Kevin Tian , Joerg Roedel , Will Deacon , Robin Murphy , Jean-Philippe Brucker , Nicolin Chen , Yi Liu , Jacob Pan , Joel Granados , iommu@lists.linux.dev, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v5 3/9] iommu: Add attachment handle to struct iopf_group Message-ID: <20240508000454.GM4718@ziepe.ca> References: <20240430145710.68112-1-baolu.lu@linux.intel.com> <20240430145710.68112-4-baolu.lu@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240430145710.68112-4-baolu.lu@linux.intel.com> On Tue, Apr 30, 2024 at 10:57:04PM +0800, Lu Baolu wrote: > @@ -206,8 +197,11 @@ void iommu_report_device_fault(struct device *dev, struct iopf_fault *evt) > if (group == &abort_group) > goto err_abort; > > - group->domain = get_domain_for_iopf(dev, fault); > - if (!group->domain) > + if (!(fault->prm.flags & IOMMU_FAULT_PAGE_REQUEST_PASID_VALID) || > + get_attach_handle_for_iopf(dev, fault->prm.pasid, group)) > + get_attach_handle_for_iopf(dev, IOMMU_NO_PASID, group); That seems a bit weird looking? get_attach_handle_for_iopf(dev, (fault->prm.flags & IOMMU_FAULT_PAGE_REQUEST_PASID_VALID) ? fault->prm.pasid : IOMMU_NO_PASID, group); Jason