[PATCH v2] drivers/crypto: Mark QCE as BROKEN

Greg KH gregkh at linuxfoundation.org
Sun Jul 12 21:47:07 PDT 2026


On Sun, Jul 12, 2026 at 05:31:31PM -0400, Demi Marie Obenour via B4 Relay wrote:
> From: Demi Marie Obenour <demiobenour at gmail.com>
> 
> This driver is harmful:
> 
> - It is much slower than the CPU [1] [2].
> - It Has a history of bugs [2] [3].
> - It does not have exclusive access to the hardware [4], causing races
>   with the secure world.
> - It register its implementations with too low a cra_priority for them
>   to be actually used [5].
> 
> Therefore, disable it to ensure that nobody builds it into kernels they
> intend to ship.
> 
> In the future, the driver will be used for processing restricted media
> content.  However, the kernel does not currently support this.  Since
> the driver will have future uses, allow building it if COMPILE_TEST is
> enabled.

Why not just delete it now, and then bring it back when it is needed in
the future?  Otherwise this will just trip up the static code checkers
who will attempt to "fix" things in it.

thanks,

greg k-h



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