linux-kernel - Re: [PATCH 1/1] iommu/vt-d: Removal of Advanced Fault Logging

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Message-ID: <e49733c3-c6a0-44e3-9cb5-afcf2161b22c@linux.intel.com>
Date: Thu, 18 Sep 2025 12:36:36 +0800
From: Baolu Lu <baolu.lu@...ux.intel.com>
To: Joerg Roedel <joro@...tes.org>, Will Deacon <will@...nel.org>,
 Robin Murphy <robin.murphy@....com>, Kevin Tian <kevin.tian@...el.com>
Cc: iommu@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] iommu/vt-d: Removal of Advanced Fault Logging

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<baolu.lu@...ux.intel.com>
> ---
>   drivers/iommu/intel/debugfs.c | 1 -
>   drivers/iommu/intel/iommu.h   | 1 -
>   2 files changed, 2 deletions(-)

Queued for v6.18.