From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (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 3644226FDA5 for ; Thu, 18 Sep 2025 04:39:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758170371; cv=none; b=p3ULB/aYlx0hcn1O6eVpGHdX4N5jSWcIdmlnfKFqb2lWydHT9yK4FftMi8ha1v2Jraci+a4fOJTd6ybe3IjYBUfKWwehzPFcI9IFFUHXKgP6DKawKcRquEVPH/9X/Yyo6Ut3a0aA3rYLJjEGWuKSX9RgGaF3ZrtLBckT+2pZ0yI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758170371; c=relaxed/simple; bh=X6kUjj680xcLI1K1anx91rO/C/v/4f+XsFbrFBY/zS8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=fl0QjQo1bZ7Z+Syhyvy9quK19wXzXb9Fhv7hXjZKxwcN/dO7zIIX+GTk2F5HcywQrz1f03amD71cU7M2aFamS4wZs05ZiPJhYuP1xzvS8Z1/5tM6T4oRpZc0CUQu9l6PbQCowUivBtnsVJ8wC++Ji5B7dzWqU5e6apzGNbCb3kk= 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=Pey2lUFn; arc=none smtp.client-ip=198.175.65.10 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="Pey2lUFn" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1758170370; x=1789706370; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=X6kUjj680xcLI1K1anx91rO/C/v/4f+XsFbrFBY/zS8=; b=Pey2lUFneG1xJ2KIodRHhKAN1y2NqNaaASwkT/8M+trrofPCtNd4+K4B 777l7VOllTjAl9QoLpyZ6/IYQvgEAXhqyj4OeDalWuDSilAFKvD2vp9Zq mlkQa6zESO98Ywri4WypOZJvwGic9K4qI57tNi5nEJfoyoEtgFIH0NQ5o wb9HGvqnBHcZcotd9OHzDL2S9pHVcXOa0AQa3g/N7ZN7DuqCVZz7+SdmW y1MV/0jeSj9ffqgtkqO5To1tIJYKu+kOi1INOCHsy4afyrNnwTNLccUJV /fSA6ASbA4VfGMeUFJYyKTEy4kI5VMWfI6Bngx0y5h3b1ylz+YWDan/10 A==; X-CSE-ConnectionGUID: tnRRYPTvS2ux+jbaDs0BOA== X-CSE-MsgGUID: r7ypMA1xQVqPuMMuT0sWBg== X-IronPort-AV: E=McAfee;i="6800,10657,11556"; a="77926738" X-IronPort-AV: E=Sophos;i="6.18,274,1751266800"; d="scan'208";a="77926738" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Sep 2025 21:39:30 -0700 X-CSE-ConnectionGUID: LFj+fWbST/+64gxGSe6FYQ== X-CSE-MsgGUID: 2jaEbAFeStec6YDUOKFXnQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,274,1751266800"; d="scan'208";a="175827138" Received: from allen-sbox.sh.intel.com (HELO [10.239.159.30]) ([10.239.159.30]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Sep 2025 21:39:27 -0700 Message-ID: Date: Thu, 18 Sep 2025 12:36:36 +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 1/1] iommu/vt-d: Removal of Advanced Fault Logging To: Joerg Roedel , Will Deacon , Robin Murphy , Kevin Tian Cc: iommu@lists.linux.dev, linux-kernel@vger.kernel.org References: <20250917024850.143801-1-baolu.lu@linux.intel.com> Content-Language: en-US From: Baolu Lu In-Reply-To: <20250917024850.143801-1-baolu.lu@linux.intel.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 9/17/25 10:48, Lu Baolu wrote: > The advanced fault logging has been removed from the specification since > v4.0. Linux doesn't implement advanced fault logging functionality, but > it currently dumps the advanced logging registers through debugfs. Remove > the dumping of these advanced fault logging registers through debugfs to > avoid potential access to non-present registers. > > Signed-off-by: Lu Baolu > --- > drivers/iommu/intel/debugfs.c | 1 - > drivers/iommu/intel/iommu.h | 1 - > 2 files changed, 2 deletions(-) Queued for v6.18.