Re: [PATCH 22/30] panic: Introduce the panic post-reboot notifier list

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On 27/04/2022 19:49, Guilherme G. Piccoli wrote:
> Currently we have 3 notifier lists in the panic path, which will
> be wired in a way to allow the notifier callbacks to run in
> different moments at panic time, in a subsequent patch.
> 
> But there is also an odd set of architecture calls hardcoded in
> the end of panic path, after the restart machinery. They're
> responsible for late time tunings / events, like enabling a stop
> button (Sparc) or effectively stopping the machine (s390).
> 
> This patch introduces yet another notifier list to offer the
> architectures a way to add callbacks in such late moment on
> panic path without the need of ifdefs / hardcoded approaches.
> 
> Cc: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>
> Cc: Christian Borntraeger <borntraeger@xxxxxxxxxxxxx>
> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
> Cc: Heiko Carstens <hca@xxxxxxxxxxxxx>
> Cc: Sven Schnelle <svens@xxxxxxxxxxxxx>
> Cc: Vasily Gorbik <gor@xxxxxxxxxxxxx>
> Signed-off-by: Guilherme G. Piccoli <gpiccoli@xxxxxxxxxx>

Hey S390/SPARC folks, sorry for the ping!

Any reviews on this V1 would be greatly appreciated, I'm working on V2
and seeking feedback in the non-reviewed patches.

Thanks in advance,


Guilherme



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