[PATCH] powerpc: Allow may_use_simd() to function as feature detection

[Shawn Landden]

Wireguard is not in the kernel (yet) and uses these symbols. (It is
IS_ENABLED so doesn't need it, but I think it is reasonable) I think these
enable/disable symbols should not be marked GPL-only.

El mar., 14 may. 2019 13:06, Segher Boessenkool <segher at kernel.crashing.org>
escribió:

> On Tue, May 14, 2019 at 09:49:18AM -0300, Shawn Landden wrote:
> > ARM does this, so we might as well too.
> > I am a bit confused however as CONFIG_ALTIVEC does not select
> > CONFIG_PPC_FPU. Would you ever have altivec without a fpu?
>
> There is no hardware like that, none supported anyway.  It does not make
> very much sense, and it cannot happen with VSX, so no hardware like it
> will ever show up most likely.
>
> It is much simpler to just make a Kconfig dependency (or a select) between
> the symbols than to have to add code like this patch.
>


>
> Segher
>
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