On Wed, May 14, 2025 at 05:41:39PM +0800, Herbert Xu wrote: > Eric Biggers <ebiggers@xxxxxxxxxx> wrote: > > From: Eric Biggers <ebiggers@xxxxxxxxxx> > > > > 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@xxxxxxxxxxxxxxx > > Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx> > > --- > > 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@xxxxxxxxxxxxxxxxxxx/ 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
