Re: [PATCH v7 4/5] PCI/AER: Clear both AER fatal and non-fatal status

Shuai Xue
2026-01-28T12:31:34Z

On 1/27/26 6:39 PM, Jonathan Cameron wrote:
> On Sat, 24 Jan 2026 15:45:56 +0800
> Shuai Xue <xueshuai@linux.alibaba.com> 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.
>>
>> Fixes: aa344bc8b727 ("PCI/ERR: Clear AER status only when we control AER")
>> Cc: stable@vger.kernel.org
>> Signed-off-by: Shuai Xue <xueshuai@linux.alibaba.com>
> Shouldn't this be first patch in series to make it easier to backport?

Yes, you are right. Will move it as the first one.

>
> Otherwise seems reasonable to me, but others know these flows better than me
> so hopefully we'll get some more review.
> Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Thanks.

Best Regards,
Shuai