Re: [PATCH 3/4] crypto: [sha] glue code for Intel SHA extensions optimized SHA1 & SHA256

[David Miller]

From: Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx>
Date: Fri, 11 Sep 2015 11:49:32 -0700

> Still, why would some kernel module specifically not want to 
> use the fastest HW implementation, and explicitly ask for
> a slower driver?

Temporary workaround if a bug is found.

There is really no reason to prevent the user from having this
flexibility, and in return anyone can test any implementation
their cpu can support.
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