linux-kernel - Re: [PATCH v4 10/12] riscv: mm: Make asid_bits a local variable

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Message-ID: <ZZV2hKLKtqjhEdvY@xhacker>
Date: Wed, 3 Jan 2024 23:00:20 +0800
From: Jisheng Zhang <jszhang@...nel.org>
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,
	Alexandre Ghiti <alexghiti@...osinc.com>
Subject: Re: [PATCH v4 10/12] riscv: mm: Make asid_bits a local variable

On Tue, Jan 02, 2024 at 02:00:47PM -0800, Samuel Holland wrote:
> This variable is only used inside asids_init().

This is due to patch9, so can be folded into patch9.

> 
> 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
> 
> 
> _______________________________________________
> linux-riscv mailing list
> linux-riscv@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-riscv

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