[PATCH 1/5] riscv: smp: Move enum ipi_message_type to asm/smp.h

Radu Rendec radu at rendec.net
Mon Aug 17 07:22:20 PDT 2026


On Sun, 2026-08-16 at 07:00 +0000, Guo Ren wrote:
> From: "GUO Ren (XuanTie)" <guoren at kernel.org>
> 
> The IPI message type enumeration (and therefore IPI_MAX) is currently
> private to arch/riscv/kernel/smp.c.  Several IPI providers need to know
> the exact number of IPIs that the architecture requires, so move the
> enum into the public header.
> 
> This is a pure code movement with no functional change.
> 
> Signed-off-by: GUO Ren (XuanTie) <guoren at kernel.org>
> ---
>  arch/riscv/include/asm/smp.h | 12 ++++++++++++
>  arch/riscv/kernel/smp.c      | 12 ------------
>  2 files changed, 12 insertions(+), 12 deletions(-)
> 
> diff --git a/arch/riscv/include/asm/smp.h b/arch/riscv/include/asm/smp.h
> index 0ecc67641b09..bed39fff1f8a 100644
> --- a/arch/riscv/include/asm/smp.h
> +++ b/arch/riscv/include/asm/smp.h
> @@ -15,6 +15,18 @@
>  struct seq_file;
>  extern unsigned long boot_cpu_hartid;
>  
> +enum ipi_message_type {
> +	IPI_RESCHEDULE,
> +	IPI_CALL_FUNC,
> +	IPI_CPU_STOP,
> +	IPI_CPU_CRASH_STOP,
> +	IPI_IRQ_WORK,
> +	IPI_TIMER,
> +	IPI_CPU_BACKTRACE,
> +	IPI_KGDB_ROUNDUP,
> +	IPI_MAX
> +};
> +
>  #ifdef CONFIG_SMP
>  
>  #include <linux/jump_label.h>
> diff --git a/arch/riscv/kernel/smp.c b/arch/riscv/kernel/smp.c
> index fa66f9c97d74..8930b62b15e7 100644
> --- a/arch/riscv/kernel/smp.c
> +++ b/arch/riscv/kernel/smp.c
> @@ -28,18 +28,6 @@
>  #include <asm/cacheflush.h>
>  #include <asm/cpu_ops.h>
>  
> -enum ipi_message_type {
> -	IPI_RESCHEDULE,
> -	IPI_CALL_FUNC,
> -	IPI_CPU_STOP,
> -	IPI_CPU_CRASH_STOP,
> -	IPI_IRQ_WORK,
> -	IPI_TIMER,
> -	IPI_CPU_BACKTRACE,
> -	IPI_KGDB_ROUNDUP,
> -	IPI_MAX
> -};
> -
>  static const char * const ipi_names[] = {
>  	[IPI_RESCHEDULE]	= "Rescheduling interrupts",
>  	[IPI_CALL_FUNC]		= "Function call interrupts",

Reviewed-by: Radu Rendec <radu at rendec.net>



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