Re: ocf-linux package

[Radu Moisan <radu.moisan@intel.com>]

On 08/07/2012 03:50 PM, Bruce Ashfield wrote:
> On Tue, Aug 7, 2012 at 3:03 AM, Radu Moisan <radu.moisan@intel.com> wrote:
>> Do we need ocf-linux for something other than headers? The current recipe
>> looks like all it's doing is to install the headers. However, the README
>> file from the package talks about some kernel modules it provides and
>> patching the kernel for embedded systems. I don't have any experience with
>> this package, so, if somebody does, some additional info about how we use it
>> (or planning to use it) would be greatly appreciated.
> There are a series of kernel patches, I've been carrying them in various trees
> since 2.6.27. I do have a set of OCF patches that have been tested against
> the 3.4 kernel, so if there's interest, it's easy enough for me to make them
> available.
>
> The test steps for OCF can be found within the kernel patches, which
> is basically
> exercising /dev/cryptodev via a test application, and using it with
> openssl/ssh for
> acceleration. That being said, it is coupled to the BSP such that you
> need appropriate
> hardware, and kernel options enabled for any acceleration to happen.
>
> I've also seen everything from SMP to module loading kernel traps in
> the past, so it
> is definitely something that needs to be done in coordination with a
> use case, and
> a particular board.
>
> If we don't have a use case, or a board in mind, I'd suggest that it
> stay latent for
> now, or I could enable the base plumbing in the kernel and it remain
> "buyer beware".

Thanks Bruce for this info. I agree, if there is not immediate necessity 
we should leave it aside for now.

radu