staging: skein: Convert local rotl_64 to kernel's rol64
Remove the local inline and use the generic kernel rol64 instead. Miscellanea: o Added a newline between a multiple line macro for consistency with the other multiple line macros Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -84,11 +84,6 @@ struct skein_1024_ctx { /* 1024-bit Skein hash context structure */
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u8 b[SKEIN_1024_BLOCK_BYTES]; /* partial block buf (8-byte aligned) */
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u8 b[SKEIN_1024_BLOCK_BYTES]; /* partial block buf (8-byte aligned) */
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};
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};
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static inline u64 rotl_64(u64 x, u8 N)
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{
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return (x << N) | (x >> (64 - N));
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}
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/* Skein APIs for (incremental) "straight hashing" */
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/* Skein APIs for (incremental) "straight hashing" */
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int skein_256_init(struct skein_256_ctx *ctx, size_t hash_bit_len);
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int skein_256_init(struct skein_256_ctx *ctx, size_t hash_bit_len);
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int skein_512_init(struct skein_512_ctx *ctx, size_t hash_bit_len);
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int skein_512_init(struct skein_512_ctx *ctx, size_t hash_bit_len);
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@ -15,6 +15,7 @@
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************************************************************************/
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************************************************************************/
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#include <linux/string.h>
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#include <linux/string.h>
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#include <linux/bitops.h>
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#include "skein_base.h"
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#include "skein_base.h"
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#include "skein_block.h"
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#include "skein_block.h"
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@ -59,10 +60,10 @@
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#define ROUND256(p0, p1, p2, p3, ROT, r_num) \
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#define ROUND256(p0, p1, p2, p3, ROT, r_num) \
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do { \
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do { \
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X##p0 += X##p1; \
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X##p0 += X##p1; \
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X##p1 = rotl_64(X##p1, ROT##_0); \
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X##p1 = rol64(X##p1, ROT##_0); \
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X##p1 ^= X##p0; \
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X##p1 ^= X##p0; \
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X##p2 += X##p3; \
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X##p2 += X##p3; \
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X##p3 = rotl_64(X##p3, ROT##_1); \
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X##p3 = rol64(X##p3, ROT##_1); \
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X##p3 ^= X##p2; \
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X##p3 ^= X##p2; \
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} while (0)
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} while (0)
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@ -136,15 +137,16 @@
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#define ROUND512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) \
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#define ROUND512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) \
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do { \
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do { \
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X##p0 += X##p1; \
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X##p0 += X##p1; \
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X##p1 = rotl_64(X##p1, ROT##_0); \
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X##p1 = rol64(X##p1, ROT##_0); \
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X##p1 ^= X##p0; \
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X##p1 ^= X##p0; \
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X##p2 += X##p3; \
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X##p2 += X##p3; \
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X##p3 = rotl_64(X##p3, ROT##_1); \
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X##p3 = rol64(X##p3, ROT##_1); \
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X##p3 ^= X##p2; \
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X##p3 ^= X##p2; \
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X##p4 += X##p5; \
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X##p4 += X##p5; \
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X##p5 = rotl_64(X##p5, ROT##_2); \
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X##p5 = rol64(X##p5, ROT##_2); \
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X##p5 ^= X##p4; \
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X##p5 ^= X##p4; \
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X##p6 += X##p7; X##p7 = rotl_64(X##p7, ROT##_3);\
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X##p6 += X##p7; \
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X##p7 = rol64(X##p7, ROT##_3); \
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X##p7 ^= X##p6; \
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X##p7 ^= X##p6; \
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} while (0)
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} while (0)
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@ -226,28 +228,28 @@
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pF, ROT, r_num) \
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pF, ROT, r_num) \
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do { \
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do { \
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X##p0 += X##p1; \
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X##p0 += X##p1; \
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X##p1 = rotl_64(X##p1, ROT##_0); \
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X##p1 = rol64(X##p1, ROT##_0); \
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X##p1 ^= X##p0; \
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X##p1 ^= X##p0; \
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X##p2 += X##p3; \
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X##p2 += X##p3; \
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X##p3 = rotl_64(X##p3, ROT##_1); \
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X##p3 = rol64(X##p3, ROT##_1); \
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X##p3 ^= X##p2; \
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X##p3 ^= X##p2; \
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X##p4 += X##p5; \
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X##p4 += X##p5; \
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X##p5 = rotl_64(X##p5, ROT##_2); \
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X##p5 = rol64(X##p5, ROT##_2); \
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X##p5 ^= X##p4; \
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X##p5 ^= X##p4; \
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X##p6 += X##p7; \
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X##p6 += X##p7; \
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X##p7 = rotl_64(X##p7, ROT##_3); \
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X##p7 = rol64(X##p7, ROT##_3); \
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X##p7 ^= X##p6; \
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X##p7 ^= X##p6; \
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X##p8 += X##p9; \
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X##p8 += X##p9; \
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X##p9 = rotl_64(X##p9, ROT##_4); \
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X##p9 = rol64(X##p9, ROT##_4); \
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X##p9 ^= X##p8; \
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X##p9 ^= X##p8; \
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X##pA += X##pB; \
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X##pA += X##pB; \
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X##pB = rotl_64(X##pB, ROT##_5); \
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X##pB = rol64(X##pB, ROT##_5); \
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X##pB ^= X##pA; \
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X##pB ^= X##pA; \
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X##pC += X##pD; \
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X##pC += X##pD; \
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X##pD = rotl_64(X##pD, ROT##_6); \
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X##pD = rol64(X##pD, ROT##_6); \
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X##pD ^= X##pC; \
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X##pD ^= X##pC; \
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X##pE += X##pF; \
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X##pE += X##pF; \
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X##pF = rotl_64(X##pF, ROT##_7); \
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X##pF = rol64(X##pF, ROT##_7); \
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X##pF ^= X##pE; \
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X##pF ^= X##pE; \
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} while (0)
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} while (0)
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