Re: [PATCH] openssl: disable cryptodev by default

[Richard Purdie <richard.purdie@linuxfoundation.org>]

On Wed, 2017-03-08 at 11:28 -0600, Mark Hatle wrote:
> On 3/8/17 10:57 AM, Ross Burton wrote:
> > 
> > Cryptodev is a way for userspace to access the kernel crypto
> > drivers (and so,
> > hardware crypto).
> If the BSP does not support crypto dev, what is the harm in this?  It
> should fall back to standard behaviors.

Note that the implication here is that openssl depends on the kernel
building and many other pieces of the system depend on openssl so it
does bottleneck the build somewhat. 

It also means a kernel rebuild ends up triggering half the userspace to
rebuild which is annoying for users.


> > Not all hardware supports cryptodev so this is something that
> > should be enabled
> > in a BSP layer instead of in oe-core.
> This would make the package be machine specific, which I'm not sure
> is good for
> a package like openssl.  (Distro specific, I'm fine with -- machine
> I've got
> concerns.)

How commonly are kernel crypto drivers used?

Cheers,

Richard