Re: [PATCH Dovetail 6.17] arm64: irq_pipeline: fix IPI mapping

[Philippe Gerum <rpm@xenomai.org>]

Florian Bezdeka <florian.bezdeka@siemens.com> writes:

> While the commit mentioned below touched ipi_setup_sgi(), ipi_setup_lgi()
> was forgotten.
>
> Fixes: 7e7b969ce82f ("arm64: irq_pipeline: fix IPI mapping")
>
> Signed-off-by: Florian Bezdeka <florian.bezdeka@siemens.com>
> ---
>  arch/arm64/kernel/smp.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> With that one applied 6.17 seems to be in a stable state again.
>
> diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
> index 8ceb41ff0253c..d89b659231614 100644
> --- a/arch/arm64/kernel/smp.c
> +++ b/arch/arm64/kernel/smp.c
> @@ -1219,8 +1219,8 @@ static void ipi_setup_lpi(int ipi, int ncpus)
>  		 * be mapped, so that arm64_send_ipi() can read any IPI desc.
>  		 */
>  		if (irqs_pipelined())
> -			for (i = ipi + 1; i < nr_ipi; i++)
> -				get_ipi_desc(cpu, i) = irq_to_desc(irq);
> +			for (i = OOB_IPI_OFFSET; i < OOB_NR_IPI + OOB_IPI_OFFSET; i++)
> +				get_ipi_desc(cpu, i) = irq_to_desc(irq + i);
>  	}
>  }

Merged, thanks.

-- 
Philippe.