Re: [PATCH] crypto: qce - Replace with stub driver

Eric Biggers <[email protected]> Fri, 31 Jul 2026 03:02:14 -0700
Newsgroups org.kernel.vger.linux-crypto,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-kernel
Message-ID <20260731100214.GA1927@quark>
On Fri, Jul 31, 2026 at 11:06:28AM +0200, Krzysztof Kozlowski wrote:
> On 31/07/2026 07:08, Eric Biggers wrote:
> > None of the algorithms the QCE driver registers with the crypto API are
> > even close to being useful.  They're massively outperformed by the
> 
> The amount of patches you send towards removal of QCE is really
> stunning. Or rather worrying. This is like third approach or so.

Note that the crypto maintainer has already accepted a patch from
another developer to mark this driver as BROKEN.

> This is beyond comprehension and very unpleasant, because you actively
> work against the community with this approach.

"The community" is more than the hardware vendor.

I think the results of independent testing of this driver are incredibly
clear.  The pending fixes do not fix the performance either, but
actually make it worse.

I have been asking for the inclusion of this driver to be justified for
many years.  As far as I've ever been able to tell it's just a "checkbox
feature", which isn't something that really belongs upstream.

I care about the technical merit of the kernel's cryptographic algorithm
implementations.

- Eric