diff options
Diffstat (limited to 'arch/x86/crypto/crc32c-intel_glue.c')
| -rw-r--r-- | arch/x86/crypto/crc32c-intel_glue.c | 22 |
1 files changed, 5 insertions, 17 deletions
diff --git a/arch/x86/crypto/crc32c-intel_glue.c b/arch/x86/crypto/crc32c-intel_glue.c index 5773e1161072..eefa0862f309 100644 --- a/arch/x86/crypto/crc32c-intel_glue.c +++ b/arch/x86/crypto/crc32c-intel_glue.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Using hardware provided CRC32 instruction to accelerate the CRC32 disposal. * CRC32C polynomial:0x1EDC6F41(BE)/0x82F63B78(LE) @@ -9,30 +10,17 @@ * Copyright (C) 2008 Intel Corporation * Authors: Austin Zhang <austin_zhang@linux.intel.com> * Kent Liu <kent.liu@intel.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * */ #include <linux/init.h> #include <linux/module.h> #include <linux/string.h> #include <linux/kernel.h> #include <crypto/internal/hash.h> +#include <crypto/internal/simd.h> #include <asm/cpufeatures.h> #include <asm/cpu_device_id.h> -#include <asm/fpu/internal.h> +#include <asm/simd.h> #define CHKSUM_BLOCK_SIZE 1 #define CHKSUM_DIGEST_SIZE 4 @@ -177,7 +165,7 @@ static int crc32c_pcl_intel_update(struct shash_desc *desc, const u8 *data, * use faster PCL version if datasize is large enough to * overcome kernel fpu state save/restore overhead */ - if (len >= CRC32C_PCL_BREAKEVEN && irq_fpu_usable()) { + if (len >= CRC32C_PCL_BREAKEVEN && crypto_simd_usable()) { kernel_fpu_begin(); *crcp = crc_pcl(data, len, *crcp); kernel_fpu_end(); @@ -189,7 +177,7 @@ static int crc32c_pcl_intel_update(struct shash_desc *desc, const u8 *data, static int __crc32c_pcl_intel_finup(u32 *crcp, const u8 *data, unsigned int len, u8 *out) { - if (len >= CRC32C_PCL_BREAKEVEN && irq_fpu_usable()) { + if (len >= CRC32C_PCL_BREAKEVEN && crypto_simd_usable()) { kernel_fpu_begin(); *(__le32 *)out = ~cpu_to_le32(crc_pcl(data, len, *crcp)); kernel_fpu_end(); |