From patchwork Sun Nov 3 22:31:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Biggers X-Patchwork-Id: 840624 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 D4705188736; Sun, 3 Nov 2024 22:32:24 +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=1730673146; cv=none; b=tXezR0S1dhR7TgCT0FpAepnANKRxJYNSL/kK1Zrm+5MYEu6En5OqKUClvAbecupSEv44iYhiJHbAZM2ACdAmCgA7WZ1wtm1l0GhOssvT7TN182H8X4x3/AVvs78fHJLa9f/2eDpcFGofk1pHLdAg2zFrPP5h/Y4G1SPmOv2mev8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730673146; c=relaxed/simple; bh=ABiaGm+ovhik7YFigewZFubogtN32tz5BD1p0OQq720=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=TWQ5DRAeg9JUMevQ5O8zLycZUZMvOuEeEHLy+IUrAZqFFWM2J2vbZQ8lft8fHeMJty5j14GMHCPoMTUe29YUTWuD022obpkgJ5dVbCyokR3xjrPkGN7y1keyhnVlc6VH7i2NxC+Bb2clXj2Ylkq7Pm95e/Rnfzmz1aYKER8QFCE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WVk0uHfu; 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="WVk0uHfu" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 42EC9C4CED3; Sun, 3 Nov 2024 22:32:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1730673144; bh=ABiaGm+ovhik7YFigewZFubogtN32tz5BD1p0OQq720=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WVk0uHfugLJOnyBhphvAvhRdO9ietw2HwNP1FG0tEe51/9J+ho1lZSwSW5fWWkUbJ cnx/nwvwkunqtyQfdB6zu5TZYLBOWj+8hIzGXkelZw/EeczfL6dFUH50WsD+A0L6wp 1ea3C8GpKzWp8UGmLqvWkmVACMRW7Hz5uHzbXU2Ekqvq3CV5Hvw+yULjXXbYd5nmM5 evs/zM1913odV1Hs8XVfpJhyXYdLZ/5asXzrkmzN0LR04luqCSG3sPYmAnYNFu82YK z5A7rR9fIOw7wD5HLScsDlu1CWetycbJKeEEVPCotgB8D+8Nk/ySUHj/DWVvgFqAih CURkLUSqbIfRQ== From: Eric Biggers To: linux-kernel@vger.kernel.org Cc: linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-crypto@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-mips@vger.kernel.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, sparclinux@vger.kernel.org, x86@kernel.org, Ard Biesheuvel Subject: [PATCH v3 01/18] lib/crc32: drop leading underscores from __crc32c_le_base Date: Sun, 3 Nov 2024 14:31:37 -0800 Message-ID: <20241103223154.136127-2-ebiggers@kernel.org> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241103223154.136127-1-ebiggers@kernel.org> References: <20241103223154.136127-1-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 Remove the leading underscores from __crc32c_le_base(). This is in preparation for adding crc32c_le_arch() and eventually renaming __crc32c_le() to crc32c_le(). Reviewed-by: Ard Biesheuvel Signed-off-by: Eric Biggers --- arch/arm64/lib/crc32-glue.c | 2 +- arch/riscv/lib/crc32.c | 2 +- crypto/crc32c_generic.c | 8 ++++---- include/linux/crc32.h | 2 +- lib/crc32.c | 4 ++-- lib/crc32test.c | 2 +- 6 files changed, 10 insertions(+), 10 deletions(-) diff --git a/arch/arm64/lib/crc32-glue.c b/arch/arm64/lib/crc32-glue.c index 295ae3e6b997..ad015223d15d 100644 --- a/arch/arm64/lib/crc32-glue.c +++ b/arch/arm64/lib/crc32-glue.c @@ -42,11 +42,11 @@ u32 __pure crc32_le(u32 crc, unsigned char const *p, size_t len) } u32 __pure __crc32c_le(u32 crc, unsigned char const *p, size_t len) { if (!alternative_has_cap_likely(ARM64_HAS_CRC32)) - return __crc32c_le_base(crc, p, len); + return crc32c_le_base(crc, p, len); if (len >= min_len && cpu_have_named_feature(PMULL) && crypto_simd_usable()) { kernel_neon_begin(); crc = crc32c_le_arm64_4way(crc, p, len); kernel_neon_end(); diff --git a/arch/riscv/lib/crc32.c b/arch/riscv/lib/crc32.c index d7dc599af3ef..333fb7af1192 100644 --- a/arch/riscv/lib/crc32.c +++ b/arch/riscv/lib/crc32.c @@ -224,11 +224,11 @@ u32 __pure crc32_le(u32 crc, unsigned char const *p, size_t len) } u32 __pure __crc32c_le(u32 crc, unsigned char const *p, size_t len) { return crc32_le_generic(crc, p, len, CRC32C_POLY_LE, - CRC32C_POLY_QT_LE, __crc32c_le_base); + CRC32C_POLY_QT_LE, crc32c_le_base); } static inline u32 crc32_be_unaligned(u32 crc, unsigned char const *p, size_t len) { diff --git a/crypto/crc32c_generic.c b/crypto/crc32c_generic.c index 7c2357c30fdf..635599b255ec 100644 --- a/crypto/crc32c_generic.c +++ b/crypto/crc32c_generic.c @@ -83,11 +83,11 @@ static int chksum_setkey(struct crypto_shash *tfm, const u8 *key, static int chksum_update(struct shash_desc *desc, const u8 *data, unsigned int length) { struct chksum_desc_ctx *ctx = shash_desc_ctx(desc); - ctx->crc = __crc32c_le_base(ctx->crc, data, length); + ctx->crc = crc32c_le_base(ctx->crc, data, length); return 0; } static int chksum_update_arch(struct shash_desc *desc, const u8 *data, unsigned int length) @@ -106,11 +106,11 @@ static int chksum_final(struct shash_desc *desc, u8 *out) return 0; } static int __chksum_finup(u32 *crcp, const u8 *data, unsigned int len, u8 *out) { - put_unaligned_le32(~__crc32c_le_base(*crcp, data, len), out); + put_unaligned_le32(~crc32c_le_base(*crcp, data, len), out); return 0; } static int __chksum_finup_arch(u32 *crcp, const u8 *data, unsigned int len, u8 *out) @@ -198,16 +198,16 @@ static struct shash_alg algs[] = {{ }}; static int __init crc32c_mod_init(void) { /* register the arch flavor only if it differs from the generic one */ - return crypto_register_shashes(algs, 1 + (&__crc32c_le != &__crc32c_le_base)); + return crypto_register_shashes(algs, 1 + (&__crc32c_le != &crc32c_le_base)); } static void __exit crc32c_mod_fini(void) { - crypto_unregister_shashes(algs, 1 + (&__crc32c_le != &__crc32c_le_base)); + crypto_unregister_shashes(algs, 1 + (&__crc32c_le != &crc32c_le_base)); } subsys_initcall(crc32c_mod_init); module_exit(crc32c_mod_fini); diff --git a/include/linux/crc32.h b/include/linux/crc32.h index 87f788c0d607..5b07fc9081c4 100644 --- a/include/linux/crc32.h +++ b/include/linux/crc32.h @@ -37,11 +37,11 @@ static inline u32 crc32_le_combine(u32 crc1, u32 crc2, size_t len2) { return crc32_le_shift(crc1, len2) ^ crc2; } u32 __pure __crc32c_le(u32 crc, unsigned char const *p, size_t len); -u32 __pure __crc32c_le_base(u32 crc, unsigned char const *p, size_t len); +u32 __pure crc32c_le_base(u32 crc, unsigned char const *p, size_t len); /** * __crc32c_le_combine - Combine two crc32c check values into one. For two * sequences of bytes, seq1 and seq2 with lengths len1 * and len2, __crc32c_le() check values were calculated diff --git a/lib/crc32.c b/lib/crc32.c index ff587fee3893..c67059b0082b 100644 --- a/lib/crc32.c +++ b/lib/crc32.c @@ -205,12 +205,12 @@ EXPORT_SYMBOL(crc32_le); EXPORT_SYMBOL(__crc32c_le); u32 __pure crc32_le_base(u32, unsigned char const *, size_t) __alias(crc32_le); EXPORT_SYMBOL(crc32_le_base); -u32 __pure __crc32c_le_base(u32, unsigned char const *, size_t) __alias(__crc32c_le); -EXPORT_SYMBOL(__crc32c_le_base); +u32 __pure crc32c_le_base(u32, unsigned char const *, size_t) __alias(__crc32c_le); +EXPORT_SYMBOL(crc32c_le_base); u32 __pure crc32_be_base(u32, unsigned char const *, size_t) __alias(crc32_be); /* * This multiplies the polynomials x and y modulo the given modulus. diff --git a/lib/crc32test.c b/lib/crc32test.c index 03cf5c1f2f5d..30b8da4d8be4 100644 --- a/lib/crc32test.c +++ b/lib/crc32test.c @@ -824,11 +824,11 @@ static void crc32test_regenerate(void) for (i = 0; i < ARRAY_SIZE(test); i++) { pr_info("{0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x},\n", test[i].crc, test[i].start, test[i].length, crc32_le_base(test[i].crc, test_buf + test[i].start, test[i].length), crc32_be_base(test[i].crc, test_buf + test[i].start, test[i].length), - __crc32c_le_base(test[i].crc, test_buf + test[i].start, test[i].length)); + crc32c_le_base(test[i].crc, test_buf + test[i].start, test[i].length)); } } static int __init crc32test_init(void) {