From patchwork Tue Apr 1 22:15:59 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Biggers X-Patchwork-Id: 14035369 X-Patchwork-Delegate: herbert@gondor.apana.org.au Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3447321C167; Tue, 1 Apr 2025 22:16:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743545783; cv=none; b=eO+Zh/1XL6EzE7g6C25yR06PCKhX+EiQqamOmyeIWuoJKRYoXp312Xd7i8Qn38SVi/THECv1XgoNhqF8UL8ZvpFrJc1l5UYvj+eF0VbUGbxTAzptNp6ikNKujtO8qOWY1U7N/Zmfrpl2ZwJZyxLU4SPGFckYTZXTGvFk3XOHAxo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743545783; c=relaxed/simple; bh=tZ4f4oIS03YFlExpJPn1KRNKl8FMes2FWEzmVkaMISE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=S0d5gu7vQgVNMoibhcIOhiDweaR7TQC1omoaOElI7a5SQl+xzf6FU7DrPRquUzWsrFweHTnXv7WBOR96GPOYjluU+QQjUCFSgGVR+59GBVEFpFQbT71D8/AQQCVOi9Llc0PM7nT8y3E5B9ARpUisMnCtZyHYGpybW7lst0uptps= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CcdYx4PW; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="CcdYx4PW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A1C85C4CEF7; Tue, 1 Apr 2025 22:16:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1743545782; bh=tZ4f4oIS03YFlExpJPn1KRNKl8FMes2FWEzmVkaMISE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CcdYx4PWMzJrs8ZFUAVWQBRi2YL7hfeUsAIa1GgJL63qh5bg1IhsxKWFLfPQtMeU1 vN24/OkRox4Obd11Y/rYpO8pm43bov+6jRDLPBj9QtAjIMpg9Xs3/OB4pKFYZr3h0I eCa3zFUy8WPUOoNj5BHzdxeW2n12hhVbHgb8bE/+AEdGZaFgjPOkQ9PL6zGD+xVHau THfQWepSLurUwd2n0pqRSUocJ3weSeuza7WGhuE4RJb0eULybrDdqaQW2lQJFloJCR 1+ySSq6Vwn/EyGKtqpGHXkDozhih/4t35i0mPwSS/5UolDhElKP4z5Aa2qtrDl9Ifu mgwtvIaqKVUlA== From: Eric Biggers To: linux-kernel@vger.kernel.org Cc: Ard Biesheuvel , linux-crypto@vger.kernel.org, linux-arch@vger.kernel.org Subject: [PATCH 6/7] lib/crc: document all the CRC library kconfig options Date: Tue, 1 Apr 2025 15:15:59 -0700 Message-ID: <20250401221600.24878-7-ebiggers@kernel.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250401221600.24878-1-ebiggers@kernel.org> References: <20250401221600.24878-1-ebiggers@kernel.org> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Eric Biggers Previous commits removed all the original CRC kconfig help text, since it was oriented towards people configuring the kernel, and the options are no longer user-selectable. However, it's still useful for there to be help text for kernel developers. Add this. Signed-off-by: Eric Biggers --- lib/Kconfig | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/lib/Kconfig b/lib/Kconfig index 89470bb24519..4e796eaea2f4 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -138,63 +138,90 @@ config TRACE_MMIO_ACCESS source "lib/crypto/Kconfig" config CRC_CCITT tristate + help + The CRC-CCITT library functions. Select this if your module uses any + of the functions from . config CRC16 tristate + help + The CRC16 library functions. Select this if your module uses any of + the functions from . config CRC_T10DIF tristate + help + The CRC-T10DIF library functions. Select this if your module uses + any of the functions from . config ARCH_HAS_CRC_T10DIF bool config CRC_T10DIF_ARCH tristate default CRC_T10DIF if ARCH_HAS_CRC_T10DIF && CRC_OPTIMIZATIONS config CRC_ITU_T tristate + help + The CRC-ITU-T library functions. Select this if your module uses + any of the functions from . config CRC32 tristate select BITREVERSE + help + The CRC32 library functions. Select this if your module uses any of + the functions from or . config ARCH_HAS_CRC32 bool config CRC32_ARCH tristate default CRC32 if ARCH_HAS_CRC32 && CRC_OPTIMIZATIONS config CRC64 tristate + help + The CRC64 library functions. Select this if your module uses any of + the functions from . config ARCH_HAS_CRC64 bool config CRC64_ARCH tristate default CRC64 if ARCH_HAS_CRC64 && CRC_OPTIMIZATIONS config CRC4 tristate + help + The CRC4 library functions. Select this if your module uses any of + the functions from . config CRC7 tristate + help + The CRC7 library functions. Select this if your module uses any of + the functions from . config LIBCRC32C tristate select CRC32 help This option just selects CRC32 and is provided for compatibility purposes until the users are updated to select CRC32 directly. config CRC8 tristate + help + The CRC8 library functions. Select this if your module uses any of + the functions from . config CRC_OPTIMIZATIONS bool "Enable optimized CRC implementations" if EXPERT default y help