On Wed, Nov 06, 2024 at 01:09:33PM +0100, Michal Suchanek wrote:
> A hwcap feature bit is passed to cpu_has_feature, resulting in testing
> for CPU_FTR_MMCRA instead of the 3.1 platform revision.
>
> Fixes: c954b252dee9 ("crypto: powerpc/p10-aes-gcm - Register modules as SIMD")
> Reported-by: Nico
Michal Suchanek writes:
> A hwcap feature bit is passed to cpu_has_feature, resulting in testing
> for CPU_FTR_MMCRA instead of the 3.1 platform revision.
Ouch. Good find.
Notably all IBM Power CPUs have MMCRA set, so the feature test is
essentially a nop.
> Fixes: c954b252dee9 ("crypto: powerp
A hwcap feature bit is passed to cpu_has_feature, resulting in testing
for CPU_FTR_MMCRA instead of the 3.1 platform revision.
Fixes: c954b252dee9 ("crypto: powerpc/p10-aes-gcm - Register modules as SIMD")
Reported-by: Nicolai Stange
Signed-off-by: Michal Suchanek
---
arch/powerpc/crypto/aes-gc
