diff options
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/xor.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/crypto/xor.c b/crypto/xor.c index b75182d8ab14..87884435bddb 100644 --- a/crypto/xor.c +++ b/crypto/xor.c @@ -63,7 +63,7 @@ static void do_xor_speed(struct xor_block_template *tmpl, void *b1, void *b2) { int speed; - unsigned long now; + unsigned long now, j; int i, count, max; tmpl->next = template_list; @@ -76,9 +76,11 @@ do_xor_speed(struct xor_block_template *tmpl, void *b1, void *b2) */ max = 0; for (i = 0; i < 5; i++) { - now = jiffies; + j = jiffies; count = 0; - while (jiffies == now) { + while ((now = jiffies) == j) + cpu_relax(); + while (time_before(jiffies, now + 1)) { mb(); /* prevent loop optimzation */ tmpl->do_2(BENCH_SIZE, b1, b2); mb(); |