[PATCH v10 6/6] arm64: kgdb: Implement kgdb_roundup_cpus() to enable pseudo-NMI roundup

Stephen Boyd swboyd at chromium.org
Tue Aug 22 16:50:02 PDT 2023


Quoting Douglas Anderson (2023-08-22 14:27:01)
> diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
> index c51d54019f5f..5ee6b69b4360 100644
> --- a/arch/arm64/kernel/smp.c
> +++ b/arch/arm64/kernel/smp.c
> @@ -75,10 +76,11 @@ enum ipi_msg_type {
>         IPI_IRQ_WORK,
>         NR_IPI,
>         /*
> -        * CPU_BACKTRACE is special and not included in NR_IPI
> +        * CPU_BACKTRACE and KGDB_ROUNDUP are special and not included in NR_IPI
>          * or tracable with trace_ipi_*

If this is going to be added to in the future then the comment could be
more generic to avoid further updates.

	 /*
	  * Any enum equal to NR_IPI or less than MAX_IPI is special and
	  * not included in NR_IPI ...
	  /



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