linux-kernel - Re: [PATCH v4 10/12] riscv: mm: Make asid

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Message-ID: <CAHVXubg4T8ViOvEzd-WoQww_z=CpHetSjjAscfw2qXVCv2zx2g@mail.gmail.com>
Date: Thu, 4 Jan 2024 13:47:17 +0100
From: Alexandre Ghiti <alexghiti@...osinc.com>
To: Samuel Holland <samuel.holland@...ive.com>
Cc: Palmer Dabbelt <palmer@...belt.com>, linux-riscv@...ts.infradead.org, 
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v4 10/12] riscv: mm: Make asid_bits a local variable

On Tue, Jan 2, 2024 at 11:01 PM Samuel Holland
<samuel.holland@...ive.com> wrote:
>
> This variable is only used inside asids_init().
>
> Signed-off-by: Samuel Holland <samuel.holland@...ive.com>
> ---
>
> (no changes since v1)
>
>  arch/riscv/mm/context.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/arch/riscv/mm/context.c b/arch/riscv/mm/context.c
> index b5170ac1b742..43a8bc2d5af4 100644
> --- a/arch/riscv/mm/context.c
> +++ b/arch/riscv/mm/context.c
> @@ -20,7 +20,6 @@
>
>  DEFINE_STATIC_KEY_FALSE(use_asid_allocator);
>
> -static unsigned long asid_bits;
>  static unsigned long num_asids;
>
>  static atomic_long_t current_version;
> @@ -226,7 +225,7 @@ static inline void set_mm(struct mm_struct *prev,
>
>  static int __init asids_init(void)
>  {
> -       unsigned long old;
> +       unsigned long asid_bits, old;
>
>         /* Figure-out number of ASID bits in HW */
>         old = csr_read(CSR_SATP);
> --
> 2.42.0
>

You can add:

Reviewed-by: Alexandre Ghiti <alexghiti@...osinc.com>

Thanks,

Alex