[PATCH] PCI/AER: Add option to panic on unrecoverable errors

[Lukas Wunner]

On Fri, Feb 06, 2026 at 10:23:11AM -0800, Breno Leitao wrote:
> When a device lacks an error_detected callback, AER recovery fails and
> the device is left in a disconnected state. This can mask serious
> hardware issues during development and testing.
> 
> Add a module parameter 'aer_unrecoverable_fatal' that panics the kernel
> instead, making such failures immediately visible. The parameter
> defaults to false to preserve existing behavior.

There's a parallel effort by Terry Bowman (+cc) to introduce a
PCI_ERS_RESULT_PANIC return value for error handling:

https://lore.kernel.org/all/20260203025244.3093805-4-terry.bowman@amd.com/

Please consider using that as the basis for your needs.

Thanks,

Lukas