Re: [PATCH v6 1/6] RISC-V: Correctly print supported extensions

[Joe Perches]

On Mon, 2022-03-14 at 13:38 -0700, Atish Patra wrote:
> From: Tsukasa OI <research_trasio@xxxxxxxxxxxx>
> 
> This commit replaces BITS_PER_LONG with number of alphabet letters.
[]
> diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
[]
> @@ -133,13 +135,13 @@ void __init riscv_fill_hwcap(void)
>  	}
>  
>  	memset(print_str, 0, sizeof(print_str));
> -	for (i = 0, j = 0; i < BITS_PER_LONG; i++)
> +	for (i = 0, j = 0; i < NUM_ALPHA_EXTS; i++)
>  		if (riscv_isa[0] & BIT_MASK(i))
>  			print_str[j++] = (char)('a' + i);

probably better to add braces for the for loops too

>  	pr_info("riscv: ISA extensions %s\n", print_str);
>  
>  	memset(print_str, 0, sizeof(print_str));
> -	for (i = 0, j = 0; i < BITS_PER_LONG; i++)
> +	for (i = 0, j = 0; i < NUM_ALPHA_EXTS; i++)
>  		if (elf_hwcap & BIT_MASK(i))
>  			print_str[j++] = (char)('a' + i);
>  	pr_info("riscv: ELF capabilities %s\n", print_str);

and here.