kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/arch/powerpc/crypto/crc32c-vpmsum_glue.c
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@@ -1,10 +1,13 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 #include <linux/crc32.h>
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 #include <crypto/internal/hash.h>
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+#include <crypto/internal/simd.h>
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 #include <linux/init.h>
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 #include <linux/module.h>
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 #include <linux/string.h>
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 #include <linux/kernel.h>
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 #include <linux/cpufeature.h>
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+#include <asm/simd.h>
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 #include <asm/switch_to.h>
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 #define CHKSUM_BLOCK_SIZE	1
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@@ -22,7 +25,7 @@
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 	unsigned int prealign;
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 	unsigned int tail;
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-	if (len < (VECTOR_BREAKPOINT + VMX_ALIGN) || in_interrupt())
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+	if (len < (VECTOR_BREAKPOINT + VMX_ALIGN) || !crypto_simd_usable())
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 		return __crc32c_le(crc, p, len);
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 	if ((unsigned long)p & VMX_ALIGN_MASK) {
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@@ -70,10 +73,8 @@
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 {
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 	u32 *mctx = crypto_shash_ctx(hash);
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-	if (keylen != sizeof(u32)) {
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-		crypto_shash_set_flags(hash, CRYPTO_TFM_RES_BAD_KEY_LEN);
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+	if (keylen != sizeof(u32))
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 		return -EINVAL;
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-	}
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 	*mctx = le32_to_cpup((__le32 *)key);
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 	return 0;
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 }