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authorArd Biesheuvel <ardb@kernel.org>2020-12-08 15:34:41 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2021-01-03 08:41:34 +1100
commit303fd3e1c771077e32e96e5788817f025f0067e2 (patch)
tree2bcc909ead3481c11260807606f258be544a7c32 /crypto/tcrypt.c
parentddf169a98f01d6fd46295ec0dd4c1d6385be65d4 (diff)
crypto: tcrypt - avoid signed overflow in byte count
The signed long type used for printing the number of bytes processed in tcrypt benchmarks limits the range to -/+ 2 GiB, which is not sufficient to cover the performance of common accelerated ciphers such as AES-NI when benchmarked with sec=1. So switch to u64 instead. While at it, fix up a missing printk->pr_cont conversion in the AEAD benchmark. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/tcrypt.c')
-rw-r--r--crypto/tcrypt.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index a647bb298fbc..a4a11d2b57bd 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -199,8 +199,8 @@ static int test_mb_aead_jiffies(struct test_mb_aead_data *data, int enc,
goto out;
}
- pr_cont("%d operations in %d seconds (%ld bytes)\n",
- bcount * num_mb, secs, (long)bcount * blen * num_mb);
+ pr_cont("%d operations in %d seconds (%llu bytes)\n",
+ bcount * num_mb, secs, (u64)bcount * blen * num_mb);
out:
kfree(rc);
@@ -471,8 +471,8 @@ static int test_aead_jiffies(struct aead_request *req, int enc,
return ret;
}
- printk("%d operations in %d seconds (%ld bytes)\n",
- bcount, secs, (long)bcount * blen);
+ pr_cont("%d operations in %d seconds (%llu bytes)\n",
+ bcount, secs, (u64)bcount * blen);
return 0;
}
@@ -764,8 +764,8 @@ static int test_mb_ahash_jiffies(struct test_mb_ahash_data *data, int blen,
goto out;
}
- pr_cont("%d operations in %d seconds (%ld bytes)\n",
- bcount * num_mb, secs, (long)bcount * blen * num_mb);
+ pr_cont("%d operations in %d seconds (%llu bytes)\n",
+ bcount * num_mb, secs, (u64)bcount * blen * num_mb);
out:
kfree(rc);
@@ -1201,8 +1201,8 @@ static int test_mb_acipher_jiffies(struct test_mb_skcipher_data *data, int enc,
goto out;
}
- pr_cont("%d operations in %d seconds (%ld bytes)\n",
- bcount * num_mb, secs, (long)bcount * blen * num_mb);
+ pr_cont("%d operations in %d seconds (%llu bytes)\n",
+ bcount * num_mb, secs, (u64)bcount * blen * num_mb);
out:
kfree(rc);
@@ -1441,8 +1441,8 @@ static int test_acipher_jiffies(struct skcipher_request *req, int enc,
return ret;
}
- pr_cont("%d operations in %d seconds (%ld bytes)\n",
- bcount, secs, (long)bcount * blen);
+ pr_cont("%d operations in %d seconds (%llu bytes)\n",
+ bcount, secs, (u64)bcount * blen);
return 0;
}