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

On Sun, Aug 16, 2026 at 12:31 PM Guo Ren <[email protected]> wrote:
>
> From: "GUO Ren (XuanTie)" <[email protected]>
>
> 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) <[email protected]>

LGTM.

Reviewed-by: Anup Patel <[email protected]>

Regards,
Anup

> ---
>  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",
> --
> 2.43.0
>

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