From: Radu Rendec <radu@rendec.net>
To: Guo Ren <guoren@kernel.org>,
linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: palmer@dabbelt.com, pjw@kernel.org, aou@eecs.berkeley.edu,
alex@ghiti.fr, tglx@kernel.org, daniel.lezcano@kernel.org,
anup@brainfault.org, hui.wang@canonical.com,
samuel.holland@sifive.com
Subject: Re: [PATCH 1/5] riscv: smp: Move enum ipi_message_type to asm/smp.h
Date: Mon, 17 Aug 2026 10:22:20 -0400 [thread overview]
Message-ID: <e93252804d854c1fd8bf5ef616fb06110da94e34.camel@rendec.net> (raw)
In-Reply-To: <20260816070049.2097442-2-guoren@kernel.org>
On Sun, 2026-08-16 at 07:00 +0000, Guo Ren wrote:
> From: "GUO Ren (XuanTie)" <guoren@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@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@rendec.net>
next prev parent reply other threads:[~2026-08-17 14:22 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-16 7:00 [PATCH 0/5] riscv: Make IPI_MAX visible and use it consistently Guo Ren
2026-08-16 7:00 ` [PATCH 1/5] riscv: smp: Move enum ipi_message_type to asm/smp.h Guo Ren
2026-08-17 14:22 ` Radu Rendec [this message]
2026-08-17 14:35 ` Anup Patel
2026-08-16 7:00 ` [PATCH 2/5] riscv: sbi: Use IPI_MAX for SBI IPI muxing Guo Ren
2026-08-17 14:35 ` Anup Patel
2026-08-16 7:00 ` [PATCH 3/5] clocksource: clint: Use IPI_MAX for " Guo Ren
2026-08-17 14:36 ` Anup Patel
2026-08-16 7:00 ` [PATCH 4/5] irqchip/aclint-sswi: " Guo Ren
2026-08-16 15:22 ` Radu Rendec
2026-08-17 14:36 ` Anup Patel
2026-08-16 7:00 ` [PATCH 5/5] irqchip/imsic: Use IPI_MAX instead of IMSIC_NR_IPI Guo Ren
2026-08-16 15:28 ` Radu Rendec
2026-08-17 13:05 ` Guo Ren
2026-08-17 14:25 ` Radu Rendec
2026-08-17 14:36 ` Anup Patel
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