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| author | Michael Ellerman <mpe@ellerman.id.au> | 2018-05-03 22:29:29 +1000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-05-12 00:13:15 +0800 |
| commit | 1411b5218adbcf1d45ddb260db5553c52e8d917c (patch) | |
| tree | f86de0c51c9dac9a23402a8bad8a84ad7cc1a3f8 /drivers/crypto/vmx/aes_cbc.c | |
| parent | 6caf7adc5e458f77f550b6c6ca8effa152d61b4a (diff) | |
| download | linux-stable-1411b5218adbcf1d45ddb260db5553c52e8d917c.tar.gz linux-stable-1411b5218adbcf1d45ddb260db5553c52e8d917c.tar.bz2 linux-stable-1411b5218adbcf1d45ddb260db5553c52e8d917c.zip | |
crypto: vmx - Remove overly verbose printk from AES init routines
In the vmx AES init routines we do a printk(KERN_INFO ...) to report
the fallback implementation we're using.
However with a slow console this can significantly affect the speed of
crypto operations. Using 'cryptsetup benchmark' the removal of the
printk() leads to a ~5x speedup for aes-cbc decryption.
So remove them.
Fixes: 8676590a1593 ("crypto: vmx - Adding AES routines for VMX module")
Fixes: 8c755ace357c ("crypto: vmx - Adding CBC routines for VMX module")
Fixes: 4f7f60d312b3 ("crypto: vmx - Adding CTR routines for VMX module")
Fixes: cc333cd68dfa ("crypto: vmx - Adding GHASH routines for VMX module")
Cc: stable@vger.kernel.org # v4.1+
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/vmx/aes_cbc.c')
| -rw-r--r-- | drivers/crypto/vmx/aes_cbc.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/crypto/vmx/aes_cbc.c b/drivers/crypto/vmx/aes_cbc.c index 7394d35d5936..5285ece4f33a 100644 --- a/drivers/crypto/vmx/aes_cbc.c +++ b/drivers/crypto/vmx/aes_cbc.c @@ -52,9 +52,6 @@ static int p8_aes_cbc_init(struct crypto_tfm *tfm) alg, PTR_ERR(fallback)); return PTR_ERR(fallback); } - printk(KERN_INFO "Using '%s' as fallback implementation.\n", - crypto_skcipher_driver_name(fallback)); - crypto_skcipher_set_flags( fallback, |