[PATCH] crypto: powerpc/poly1305 - add depends on BROKEN for now

[Eric Biggers]

On Wed, May 14, 2025 at 05:41:39PM +0800, Herbert Xu wrote:
> Eric Biggers <ebiggers at kernel.org> wrote:
> > From: Eric Biggers <ebiggers at google.com>
> > 
> > As discussed in the thread containing
> > https://lore.kernel.org/linux-crypto/20250510053308.GB505731@sol/, the
> > Power10-optimized Poly1305 code is currently not safe to call in softirq
> > context.  Disable it for now.  It can be re-enabled once it is fixed.
> > 
> > Fixes: ba8f8624fde2 ("crypto: poly1305-p10 - Glue code for optmized Poly1305 implementation for ppc64le")
> > Cc: stable at vger.kernel.org
> > Signed-off-by: Eric Biggers <ebiggers at google.com>
> > ---
> > arch/powerpc/lib/crypto/Kconfig | 1 +
> > 1 file changed, 1 insertion(+)
> 
> I thought this fix should be enough, no?
> 
> https://patchwork.kernel.org/project/linux-crypto/patch/aB8Yy0JGvoErc0ns@gondor.apana.org.au/

I didn't notice that.  Probably, though I don't have time to review this subtle
Poly1305 code.  Especially with all the weird unions in the code.  Would be
great if the PowerPC folks would take a look.

- Eric