[PPC] [e5500] Boot issues after the PowerPC updates 6.19-1

[Christophe Leroy (CS GROUP)]

Hi Christian,

Le 11/12/2025 à 07:26, Christian Zigotzky a écrit :
> Hello Christophe,
> 
> I was able to reduce the patch.
> 
> The following modification is responsible for the boot issue:
> 
> diff -rupN a/arch/powerpc/kernel/interrupt.c b/arch/powerpc/kernel/interrupt.c
> --- a/arch/powerpc/kernel/interrupt.c	2025-12-09 06:57:20.717347165 +0100
> +++ b/arch/powerpc/kernel/interrupt.c	2025-12-09 10:24:37.357301725 +0100
> @@ -38,7 +38,7 @@ static inline bool exit_must_hard_disabl
>   #else
>   static inline bool exit_must_hard_disable(void)
>   {
> -	return false;
> +	return true;
>   }
>   #endif
> 
> - - -
> 
> After reverting this modification, the kernel boots without any problems.
> 
> Please check this modification.

Yes indeed, I realised that allthough the BOOKE powerpc doesn't have the 
RI bit, this call is still necessary to switch off IRQs in case they are 
still on.

So I have to think a bit deeper and see what the solution could be. I 
will let you know as soon as I have a solution.

Christophe