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From: Eric Biggers <ebiggers@kernel.org>
To: Ard Biesheuvel <ardb+git@google.com>
Cc: linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org,
	herbert@gondor.apana.org.au, will@kernel.org,
	catalin.marinas@arm.com, Ard Biesheuvel <ardb@kernel.org>,
	Kees Cook <kees@kernel.org>
Subject: Re: [PATCH v2 1/2] arm64/lib: Handle CRC-32 alternative in C code
Date: Wed, 16 Oct 2024 19:37:51 -0700	[thread overview]
Message-ID: <20241017023751.GA1780@sol.localdomain> (raw)
In-Reply-To: <20241016192640.406255-5-ardb+git@google.com>

On Wed, Oct 16, 2024 at 09:26:42PM +0200, Ard Biesheuvel wrote:
> diff --git a/arch/arm64/lib/crc32.S b/arch/arm64/lib/crc32.S
> index 8340dccff46f..5dac63da4247 100644
> --- a/arch/arm64/lib/crc32.S
> +++ b/arch/arm64/lib/crc32.S
> @@ -136,25 +136,16 @@ CPU_BE( rev16		\reg, \reg	)
>  	.endm
>  
>  	.align		5
> -SYM_FUNC_START(crc32_le)
> -alternative_if_not ARM64_HAS_CRC32
> -	b		crc32_le_base
> -alternative_else_nop_endif

In case you happen to send a new version of this, note that the
#include <asm/alternative.h> can be removed from this file.

- Eric


  parent reply	other threads:[~2024-10-17  2:40 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-16 19:26 [PATCH v2 0/2] arm64: Speed up CRC-32 using PMULL instructions Ard Biesheuvel
2024-10-16 19:26 ` [PATCH v2 1/2] arm64/lib: Handle CRC-32 alternative in C code Ard Biesheuvel
2024-10-16 21:52   ` Eric Biggers
2024-10-17  2:37   ` Eric Biggers [this message]
2024-10-16 19:26 ` [PATCH v2 2/2] arm64/crc32: Implement 4-way interleave using PMULL Ard Biesheuvel
2024-10-16 21:54   ` Eric Biggers

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