tree: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master head: 5ecf8ef9103cb018cbd82b6eace529ff4c5b5c66 commit: 5ecf8ef9103cb018cbd82b6eace529ff4c5b5c66 [132/132] crypto: caam - fix sg dump config: arm64-allmodconfig (attached as .config) compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 5ecf8ef9103cb018cbd82b6eace529ff4c5b5c66 # save the attached .config to linux build tree make.cross ARCH=arm64 All warnings (new ones prefixed by >>): In file included from drivers/crypto/caam/compat.h:8:0, from drivers/crypto/caam/caamalg.c:47: drivers/crypto/caam/caamalg.c: In function 'dbg_dump_sg': include/linux/kernel.h:742:17: warning: comparison of distinct pointer types lacks a cast (void) (&_min1 == &_min2); \ ^ >> drivers/crypto/caam/caamalg.c:140:9: note: in expansion of macro 'min' len = min(tlen, it->length); ^~~ vim +/min +140 drivers/crypto/caam/caamalg.c 41 * | SEQ_IN_PTR | 42 * | (input buffer) | 43 * | (input length) | 44 * --------------------- 45 */ 46 > 47 #include "compat.h" 48 49 #include "regs.h" 50 #include "intern.h" 51 #include "desc_constr.h" 52 #include "jr.h" 53 #include "error.h" 54 #include "sg_sw_sec4.h" 55 #include "key_gen.h" 56 57 /* 58 * crypto alg 59 */ 60 #define CAAM_CRA_PRIORITY 3000 61 /* max key is sum of AES_MAX_KEY_SIZE, max split key size */ 62 #define CAAM_MAX_KEY_SIZE (AES_MAX_KEY_SIZE + \ 63 CTR_RFC3686_NONCE_SIZE + \ 64 SHA512_DIGEST_SIZE * 2) 65 /* max IV is max of AES_BLOCK_SIZE, DES3_EDE_BLOCK_SIZE */ 66 #define CAAM_MAX_IV_LENGTH 16 67 68 #define AEAD_DESC_JOB_IO_LEN (DESC_JOB_IO_LEN + CAAM_CMD_SZ * 2) 69 #define GCM_DESC_JOB_IO_LEN (AEAD_DESC_JOB_IO_LEN + \ 70 CAAM_CMD_SZ * 4) 71 #define AUTHENC_DESC_JOB_IO_LEN (AEAD_DESC_JOB_IO_LEN + \ 72 CAAM_CMD_SZ * 5) 73 74 /* length of descriptors text */ 75 #define DESC_AEAD_BASE (4 * CAAM_CMD_SZ) 76 #define DESC_AEAD_ENC_LEN (DESC_AEAD_BASE + 11 * CAAM_CMD_SZ) 77 #define DESC_AEAD_DEC_LEN (DESC_AEAD_BASE + 15 * CAAM_CMD_SZ) 78 #define DESC_AEAD_GIVENC_LEN (DESC_AEAD_ENC_LEN + 9 * CAAM_CMD_SZ) 79 80 /* Note: Nonce is counted in enckeylen */ 81 #define DESC_AEAD_CTR_RFC3686_LEN (4 * CAAM_CMD_SZ) 82 83 #define DESC_AEAD_NULL_BASE (3 * CAAM_CMD_SZ) 84 #define DESC_AEAD_NULL_ENC_LEN (DESC_AEAD_NULL_BASE + 11 * CAAM_CMD_SZ) 85 #define DESC_AEAD_NULL_DEC_LEN (DESC_AEAD_NULL_BASE + 13 * CAAM_CMD_SZ) 86 87 #define DESC_GCM_BASE (3 * CAAM_CMD_SZ) 88 #define DESC_GCM_ENC_LEN (DESC_GCM_BASE + 16 * CAAM_CMD_SZ) 89 #define DESC_GCM_DEC_LEN (DESC_GCM_BASE + 12 * CAAM_CMD_SZ) 90 91 #define DESC_RFC4106_BASE (3 * CAAM_CMD_SZ) 92 #define DESC_RFC4106_ENC_LEN (DESC_RFC4106_BASE + 13 * CAAM_CMD_SZ) 93 #define DESC_RFC4106_DEC_LEN (DESC_RFC4106_BASE + 13 * CAAM_CMD_SZ) 94 95 #define DESC_RFC4543_BASE (3 * CAAM_CMD_SZ) 96 #define DESC_RFC4543_ENC_LEN (DESC_RFC4543_BASE + 11 * CAAM_CMD_SZ) 97 #define DESC_RFC4543_DEC_LEN (DESC_RFC4543_BASE + 12 * CAAM_CMD_SZ) 98 99 #define DESC_ABLKCIPHER_BASE (3 * CAAM_CMD_SZ) 100 #define DESC_ABLKCIPHER_ENC_LEN (DESC_ABLKCIPHER_BASE + \ 101 20 * CAAM_CMD_SZ) 102 #define DESC_ABLKCIPHER_DEC_LEN (DESC_ABLKCIPHER_BASE + \ 103 15 * CAAM_CMD_SZ) 104 105 #define DESC_MAX_USED_BYTES (CAAM_DESC_BYTES_MAX - DESC_JOB_IO_LEN) 106 #define DESC_MAX_USED_LEN (DESC_MAX_USED_BYTES / CAAM_CMD_SZ) 107 108 #ifdef DEBUG 109 /* for print_hex_dumps with line references */ 110 #define debug(format, arg...) printk(format, arg) 111 #else 112 #define debug(format, arg...) 113 #endif 114 115 #ifdef DEBUG 116 #include <linux/highmem.h> 117 118 static void dbg_dump_sg(const char *level, const char *prefix_str, 119 int prefix_type, int rowsize, int groupsize, 120 struct scatterlist *sg, size_t tlen, bool ascii, 121 bool may_sleep) 122 { 123 struct scatterlist *it; 124 void *it_page; 125 size_t len; 126 void *buf; 127 128 for (it = sg; it != NULL && tlen > 0 ; it = sg_next(sg)) { 129 /* 130 * make sure the scatterlist's page 131 * has a valid virtual memory mapping 132 */ 133 it_page = kmap_atomic(sg_page(it)); 134 if (unlikely(!it_page)) { 135 printk(KERN_ERR "dbg_dump_sg: kmap failed\n"); 136 return; 137 } 138 139 buf = it_page + it->offset; > 140 len = min(tlen, it->length); 141 print_hex_dump(level, prefix_str, prefix_type, rowsize, 142 groupsize, buf, len, ascii); 143 tlen -= len; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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