Re: [PATCH v4 07/16] riscv: cpufeature: Extract common elements from extension checking

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On Fri, Apr 26, 2024 at 02:29:21PM -0700, Charlie Jenkins wrote:
> The __riscv_has_extension_likely() and __riscv_has_extension_unlikely()
> functions from the vendor_extensions.h can be used to simplify the
> standard extension checking code as well. Migrate those functions to
> cpufeature.h and reorganize the code in the file to use the functions.
> 
> Signed-off-by: Charlie Jenkins <charlie@xxxxxxxxxxxx>
> ---
>  arch/riscv/include/asm/cpufeature.h        | 78 +++++++++++++++++-------------
>  arch/riscv/include/asm/vendor_extensions.h | 28 -----------
>  2 files changed, 44 insertions(+), 62 deletions(-)
> 
> diff --git a/arch/riscv/include/asm/cpufeature.h b/arch/riscv/include/asm/cpufeature.h
> index fedd479ccfd1..17896ec9ec11 100644
> --- a/arch/riscv/include/asm/cpufeature.h
> +++ b/arch/riscv/include/asm/cpufeature.h
> @@ -98,59 +98,66 @@ extern bool riscv_isa_fallback;
>  
>  unsigned long riscv_isa_extension_base(const unsigned long *isa_bitmap);
>  
> +#define EXT_ALL_VENDORS		0

It's not really "all vendors", it's standard. Otherwise, this seems all
grand to me,
Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>

Cheers,
Conor.

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