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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-22 13:37:49 +07:00
24568b47d4
It turns out OSXSAVE needs to be checked only for AVX, not for SSE.
Without this patch the affected modules refuse to load on CPUs with SSE2
but without AVX support.
Fixes: 877ccce7cb ("crypto: x86/aegis,morus - Fix and simplify CPUID checks")
Cc: <stable@vger.kernel.org> # 4.18
Reported-by: Zdenek Kaspar <zkaspar82@gmail.com>
Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
/*
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* The MORUS-640 Authenticated-Encryption Algorithm
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* Glue for SSE2 implementation
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*
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* Copyright (c) 2016-2018 Ondrej Mosnacek <omosnacek@gmail.com>
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* Copyright (C) 2017-2018 Red Hat, Inc. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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#include <crypto/internal/aead.h>
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#include <crypto/morus640_glue.h>
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#include <linux/module.h>
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#include <asm/fpu/api.h>
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#include <asm/cpu_device_id.h>
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asmlinkage void crypto_morus640_sse2_init(void *state, const void *key,
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const void *iv);
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asmlinkage void crypto_morus640_sse2_ad(void *state, const void *data,
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unsigned int length);
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asmlinkage void crypto_morus640_sse2_enc(void *state, const void *src,
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void *dst, unsigned int length);
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asmlinkage void crypto_morus640_sse2_dec(void *state, const void *src,
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void *dst, unsigned int length);
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asmlinkage void crypto_morus640_sse2_enc_tail(void *state, const void *src,
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void *dst, unsigned int length);
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asmlinkage void crypto_morus640_sse2_dec_tail(void *state, const void *src,
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void *dst, unsigned int length);
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asmlinkage void crypto_morus640_sse2_final(void *state, void *tag_xor,
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u64 assoclen, u64 cryptlen);
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MORUS640_DECLARE_ALGS(sse2, "morus640-sse2", 400);
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static int __init crypto_morus640_sse2_module_init(void)
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{
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if (!boot_cpu_has(X86_FEATURE_XMM2) ||
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!cpu_has_xfeatures(XFEATURE_MASK_SSE, NULL))
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return -ENODEV;
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return crypto_register_aeads(crypto_morus640_sse2_algs,
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ARRAY_SIZE(crypto_morus640_sse2_algs));
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}
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static void __exit crypto_morus640_sse2_module_exit(void)
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{
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crypto_unregister_aeads(crypto_morus640_sse2_algs,
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ARRAY_SIZE(crypto_morus640_sse2_algs));
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}
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module_init(crypto_morus640_sse2_module_init);
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module_exit(crypto_morus640_sse2_module_exit);
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Ondrej Mosnacek <omosnacek@gmail.com>");
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MODULE_DESCRIPTION("MORUS-640 AEAD algorithm -- SSE2 implementation");
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MODULE_ALIAS_CRYPTO("morus640");
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MODULE_ALIAS_CRYPTO("morus640-sse2");
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