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crypto: aes - Use ___cacheline_aligned for aes data

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cacheline_aligned is a special section. It cannot be const at the same
time because it's not read-only. It doesn't give any MMU protection.

Mark it ____cacheline_aligned to not place it in a special section,
but just align it in .rodata

Cc: herbert@gondor.apana.org.au
Suggested-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Andi Kleen 2019-03-29 17:46:29 -07:00 • committed by Herbert Xu
commit 61abc356bf
2 changed files with 8 additions and 8 deletions
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8
include/crypto/aes.h
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@ -28,10 +28,10 @@ struct crypto_aes_ctx {
u32 key_length;
};
extern const u32 crypto_ft_tab[4][256];
extern const u32 crypto_fl_tab[4][256];
extern const u32 crypto_it_tab[4][256];
extern const u32 crypto_il_tab[4][256];
extern const u32 crypto_ft_tab[4][256] ____cacheline_aligned;
extern const u32 crypto_fl_tab[4][256] ____cacheline_aligned;
extern const u32 crypto_it_tab[4][256] ____cacheline_aligned;
extern const u32 crypto_il_tab[4][256] ____cacheline_aligned;
int crypto_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
unsigned int key_len);