[PATCH 1/5] riscv: smp: Move enum ipi_message_type to asm/smp.h
Anup Patel
anup at brainfault.org
Mon Aug 17 07:35:34 PDT 2026
On Sun, Aug 16, 2026 at 12:31 PM Guo Ren <guoren at kernel.org> 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>
LGTM.
Reviewed-by: Anup Patel <anup at brainfault.org>
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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