[PATCH] crypto: powerpc/poly1305 - add depends on BROKEN for now
From: Eric Biggers <ebiggers@kernel.org>
Date: 2025-05-14 05:19:22
Also in:
linux-crypto, stable
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
From: Eric Biggers <redacted> As discussed in the thread containing https://lore.kernel.org/linux-crypto/20250510053308.GB505731@sol/ (local), 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@vger.kernel.org Signed-off-by: Eric Biggers <redacted> --- arch/powerpc/lib/crypto/Kconfig | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/powerpc/lib/crypto/Kconfig b/arch/powerpc/lib/crypto/Kconfig
index ffa541ad6d5da..3f9e1bbd9905b 100644
--- a/arch/powerpc/lib/crypto/Kconfig
+++ b/arch/powerpc/lib/crypto/Kconfig@@ -8,10 +8,11 @@ config CRYPTO_CHACHA20_P10 select CRYPTO_ARCH_HAVE_LIB_CHACHA config CRYPTO_POLY1305_P10 tristate depends on PPC64 && CPU_LITTLE_ENDIAN && VSX + depends on BROKEN # Needs to be fixed to work in softirq context default CRYPTO_LIB_POLY1305 select CRYPTO_ARCH_HAVE_LIB_POLY1305 select CRYPTO_LIB_POLY1305_GENERIC config CRYPTO_SHA256_PPC_SPE
base-commit: 57999ed153ed7e651afecbabe0e998e75cf2d798 -- 2.49.0