linux-kernel - Re: [PATCH v6 5/5] PCI/AER: Clear both AER fatal and non-fatal status

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Message-ID: <cd36a39b-fc63-4c4b-aa67-215656b86990@linux.alibaba.com>
Date: Tue, 21 Oct 2025 09:33:02 +0800
From: Shuai Xue <xueshuai@...ux.alibaba.com>
To: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@...ux.intel.com>,
 linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
 linuxppc-dev@...ts.ozlabs.org, bhelgaas@...gle.com, kbusch@...nel.org
Cc: mahesh@...ux.ibm.com, oohall@...il.com, Jonathan.Cameron@...wei.com,
 terry.bowman@....com, tianruidong@...ux.alibaba.com, lukas@...ner.de
Subject: Re: [PATCH v6 5/5] PCI/AER: Clear both AER fatal and non-fatal status



在 2025/10/21 02:44, Kuppuswamy Sathyanarayanan 写道:
> 
> On 10/14/25 19:41, Shuai Xue wrote:
>> The DPC driver clears AER fatal status for the port that reported the
>> error, but not for the downstream device that deteced the error.  The
>> current recovery code only clears non-fatal AER status, leaving fatal
>> status bits set in the error device.
>>
>> Use pci_aer_raw_clear_status() to clear both fatal and non-fatal error
>> status in the error device, ensuring all AER status bits are properly
>> cleared after recovery.
>>
>> Signed-off-by: Shuai Xue <xueshuai@...ux.alibaba.com>
>> ---
> 
> I think it needs to go to stable tree. Any Fixes: commit ?

Got it. I will add a Fixes tag and cc stable.

Thanks.
Shuai