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commit1411b5218aupstream. 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:8676590a15("crypto: vmx - Adding AES routines for VMX module") Fixes:8c755ace35("crypto: vmx - Adding CBC routines for VMX module") Fixes:4f7f60d312("crypto: vmx - Adding CTR routines for VMX module") Fixes:cc333cd68d("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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.