Re: [PATCH v2 10/13] EDAC/altera: Skip the panic notifier if kdump is loaded

Dinh Nguyen
2022-08-16T18:44:39Z

On 7/19/22 14:53, Guilherme G. Piccoli wrote:
> The altera_edac panic notifier performs some data collection with
> regards errors detected; such code relies in the regmap layer to
> perform reads/writes, so the code is abstracted and there is some
> risk level to execute that, since the panic path runs in atomic
> context, with interrupts/preemption and secondary CPUs disabled.
>
> Users want the information collected in this panic notifier though,
> so in order to balance the risk/benefit, let's skip the altera panic
> notifier if kdump is loaded. While at it, remove a useless header
> and encompass a macro inside the sole ifdef block it is used.
>
> Cc: Dinh Nguyen <dinguyen@kernel.org>
> Cc: Petr Mladek <pmladek@suse.com>
> Cc: Tony Luck <tony.luck@intel.com>
> Signed-off-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
>
> ---
>
> V2:
> - new patch, based on the discussion in [0].
> [0] https://lore.kernel.org/lkml/62a63fc2-346f-f375-043a-fa21385279df@igalia.com/
>

Acked-by: Dinh Nguyen <dinguyen@kernel.org>