From 5635242c85b23dc289cdc4b0a28b443c7ffe23c1 Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Thu, 3 May 2018 22:29:29 +1000 Subject: crypto: vmx - Remove overly verbose printk from AES init routines commit 1411b5218adbcf1d45ddb260db5553c52e8d917c upstream. 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 Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman --- drivers/crypto/vmx/aes_cbc.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'drivers/crypto/vmx/aes_cbc.c') diff --git a/drivers/crypto/vmx/aes_cbc.c b/drivers/crypto/vmx/aes_cbc.c index 3f8bb9a40df1..9506e8693c81 100644 --- a/drivers/crypto/vmx/aes_cbc.c +++ b/drivers/crypto/vmx/aes_cbc.c @@ -55,8 +55,6 @@ 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_tfm_alg_driver_name((struct crypto_tfm *) fallback)); crypto_blkcipher_set_flags( fallback, -- cgit v1.2.3