[CRYPTO] tcrypt: Move sg_init_table out of timing loops

This patch moves the sg_init_table out of the timing loops for hash
algorithms so that it doesn't impact on the speed test results.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index c457bdb..24141fb 100644 (file)
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -572,9 +572,11 @@ static int test_hash_jiffies_digest(struct hash_desc *desc, char *p, int blen,
        int bcount;
        int ret;
 
+       sg_init_table(sg, 1);
+
        for (start = jiffies, end = start + sec * HZ, bcount = 0;
             time_before(jiffies, end); bcount++) {
-               sg_init_one(sg, p, blen);
+               sg_set_buf(sg, p, blen);
                ret = crypto_hash_digest(desc, sg, blen, out);
                if (ret)
                        return ret;
@@ -597,13 +599,15 @@ static int test_hash_jiffies(struct hash_desc *desc, char *p, int blen,
        if (plen == blen)
                return test_hash_jiffies_digest(desc, p, blen, out, sec);
 
+       sg_init_table(sg, 1);
+
        for (start = jiffies, end = start + sec * HZ, bcount = 0;
             time_before(jiffies, end); bcount++) {
                ret = crypto_hash_init(desc);
                if (ret)
                        return ret;
                for (pcount = 0; pcount < blen; pcount += plen) {
-                       sg_init_one(sg, p + pcount, plen);
+                       sg_set_buf(sg, p + pcount, plen);
                        ret = crypto_hash_update(desc, sg, plen);
                        if (ret)
                                return ret;
@@ -628,12 +632,14 @@ static int test_hash_cycles_digest(struct hash_desc *desc, char *p, int blen,
        int i;
        int ret;
 
+       sg_init_table(sg, 1);
+
        local_bh_disable();
        local_irq_disable();
 
        /* Warm-up run. */
        for (i = 0; i < 4; i++) {
-               sg_init_one(sg, p, blen);
+               sg_set_buf(sg, p, blen);
                ret = crypto_hash_digest(desc, sg, blen, out);
                if (ret)
                        goto out;
@@ -645,7 +651,7 @@ static int test_hash_cycles_digest(struct hash_desc *desc, char *p, int blen,
 
                start = get_cycles();
 
-               sg_init_one(sg, p, blen);
+               sg_set_buf(sg, p, blen);
                ret = crypto_hash_digest(desc, sg, blen, out);
                if (ret)
                        goto out;
@@ -679,6 +685,8 @@ static int test_hash_cycles(struct hash_desc *desc, char *p, int blen,
        if (plen == blen)
                return test_hash_cycles_digest(desc, p, blen, out);
 
+       sg_init_table(sg, 1);
+
        local_bh_disable();
        local_irq_disable();
 
@@ -688,7 +696,7 @@ static int test_hash_cycles(struct hash_desc *desc, char *p, int blen,
                if (ret)
                        goto out;
                for (pcount = 0; pcount < blen; pcount += plen) {
-                       sg_init_one(sg, p + pcount, plen);
+                       sg_set_buf(sg, p + pcount, plen);
                        ret = crypto_hash_update(desc, sg, plen);
                        if (ret)
                                goto out;
@@ -708,7 +716,7 @@ static int test_hash_cycles(struct hash_desc *desc, char *p, int blen,
                if (ret)
                        goto out;
                for (pcount = 0; pcount < blen; pcount += plen) {
-                       sg_init_one(sg, p + pcount, plen);
+                       sg_set_buf(sg, p + pcount, plen);
                        ret = crypto_hash_update(desc, sg, plen);
                        if (ret)
                                goto out;