From 9999e48639b3cecb08ffb37358bcba3b48161b29 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 08:50:17 +0000
Subject: [PATCH] add ax88772_rst
---
kernel/arch/x86/crypto/crct10dif-pclmul_glue.c | 17 ++++++-----------
1 files changed, 6 insertions(+), 11 deletions(-)
diff --git a/kernel/arch/x86/crypto/crct10dif-pclmul_glue.c b/kernel/arch/x86/crypto/crct10dif-pclmul_glue.c
index 7bbfe7d..71291d5 100644
--- a/kernel/arch/x86/crypto/crct10dif-pclmul_glue.c
+++ b/kernel/arch/x86/crypto/crct10dif-pclmul_glue.c
@@ -26,24 +26,19 @@
#include <linux/module.h>
#include <linux/crc-t10dif.h>
#include <crypto/internal/hash.h>
+#include <crypto/internal/simd.h>
#include <linux/init.h>
#include <linux/string.h>
#include <linux/kernel.h>
-#include <asm/fpu/api.h>
#include <asm/cpufeatures.h>
#include <asm/cpu_device_id.h>
+#include <asm/simd.h>
-asmlinkage __u16 crc_t10dif_pcl(__u16 crc, const unsigned char *buf,
- size_t len);
+asmlinkage u16 crc_t10dif_pcl(u16 init_crc, const u8 *buf, size_t len);
struct chksum_desc_ctx {
__u16 crc;
};
-
-/*
- * Steps through buffer one byte at at time, calculates reflected
- * crc using table.
- */
static int chksum_init(struct shash_desc *desc)
{
@@ -59,7 +54,7 @@
{
struct chksum_desc_ctx *ctx = shash_desc_ctx(desc);
- if (irq_fpu_usable()) {
+ if (length >= 16 && crypto_simd_usable()) {
kernel_fpu_begin();
ctx->crc = crc_t10dif_pcl(ctx->crc, data, length);
kernel_fpu_end();
@@ -78,7 +73,7 @@
static int __chksum_finup(__u16 crc, const u8 *data, unsigned int len, u8 *out)
{
- if (irq_fpu_usable()) {
+ if (len >= 16 && crypto_simd_usable()) {
kernel_fpu_begin();
*(__u16 *)out = crc_t10dif_pcl(crc, data, len);
kernel_fpu_end();
@@ -119,7 +114,7 @@
};
static const struct x86_cpu_id crct10dif_cpu_id[] = {
- X86_FEATURE_MATCH(X86_FEATURE_PCLMULQDQ),
+ X86_MATCH_FEATURE(X86_FEATURE_PCLMULQDQ, NULL),
{}
};
MODULE_DEVICE_TABLE(x86cpu, crct10dif_cpu_id);
--
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