linux-kernel - Re: [PATCH v2] riscv: mm: init: make pt_ops_set

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Message-ID: <mhng-6828d6a5-d8c6-43f7-8145-311bdd5188d1@palmer-ri-x1c9>
Date:   Thu, 02 Jun 2022 18:34:39 -0700 (PDT)
From:   Palmer Dabbelt <palmer@...belt.com>
To:     jszhang@...nel.org
CC:     Paul Walmsley <paul.walmsley@...ive.com>, aou@...s.berkeley.edu,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        anup@...infault.org
Subject:     Re: [PATCH v2] riscv: mm: init: make pt_ops_set_[early|late|fixmap] static

On Mon, 16 May 2022 07:32:04 PDT (-0700), jszhang@...nel.org wrote:
> These three functions are only used in init.c, so make them static.
> Fix W=1 warnings like below:
>
> arch/riscv/mm/init.c:721:13: warning: no previous prototype for function
> 'pt_ops_set_early' [-Wmissing-prototypes]
>    void __init pt_ops_set_early(void)
>                ^
>
> Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
> Reviewed-by: Anup Patel <anup@...infault.org>
> ---
>
> since v1:
>  - collect Reviewed-by tag
>  - move out from the static key series as a separate patch
>
>  arch/riscv/mm/init.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
> index 05ed641a1134..5f3f26dd9f21 100644
> --- a/arch/riscv/mm/init.c
> +++ b/arch/riscv/mm/init.c
> @@ -849,7 +849,7 @@ static void __init create_fdt_early_page_table(pgd_t *pgdir, uintptr_t dtb_pa)
>   * MMU is not enabled, the page tables are allocated directly using
>   * early_pmd/pud/p4d and the address returned is the physical one.
>   */
> -void __init pt_ops_set_early(void)
> +static void __init pt_ops_set_early(void)
>  {
>  	pt_ops.alloc_pte = alloc_pte_early;
>  	pt_ops.get_pte_virt = get_pte_virt_early;
> @@ -871,7 +871,7 @@ void __init pt_ops_set_early(void)
>   * Note that this is called with MMU disabled, hence kernel_mapping_pa_to_va,
>   * but it will be used as described above.
>   */
> -void __init pt_ops_set_fixmap(void)
> +static void __init pt_ops_set_fixmap(void)
>  {
>  	pt_ops.alloc_pte = kernel_mapping_pa_to_va((uintptr_t)alloc_pte_fixmap);
>  	pt_ops.get_pte_virt = kernel_mapping_pa_to_va((uintptr_t)get_pte_virt_fixmap);
> @@ -889,7 +889,7 @@ void __init pt_ops_set_fixmap(void)
>   * MMU is enabled and page table setup is complete, so from now, we can use
>   * generic page allocation functions to setup page table.
>   */
> -void __init pt_ops_set_late(void)
> +static void __init pt_ops_set_late(void)
>  {
>  	pt_ops.alloc_pte = alloc_pte_late;
>  	pt_ops.get_pte_virt = get_pte_virt_late;

Thanks, this is on for-next.