[PATCH] lib/crypto: blake2b: Limit frame size workaround to GCC < 12.2 on i386

From: Thorsten Blum

Date: Sat Nov 22 2025 - 05:58:04 EST


The GCC bug only occurred on i386 and has been resolved since GCC 12.2.
Limit the frame size workaround to GCC < 12.2 on i386.

Signed-off-by: Thorsten Blum <thorsten.blum@xxxxxxxxx>
---
lib/crypto/Makefile | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/lib/crypto/Makefile b/lib/crypto/Makefile
index b5346cebbb55..5ee36a231484 100644
--- a/lib/crypto/Makefile
+++ b/lib/crypto/Makefile
@@ -33,7 +33,11 @@ obj-$(CONFIG_CRYPTO_LIB_GF128MUL) += gf128mul.o

obj-$(CONFIG_CRYPTO_LIB_BLAKE2B) += libblake2b.o
libblake2b-y := blake2b.o
+ifeq ($(CONFIG_X86_32),y)
+ifeq ($(CONFIG_CC_IS_GCC)_$(call gcc-min-version, 120200),y_)
CFLAGS_blake2b.o := -Wframe-larger-than=4096 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105930
+endif # CONFIG_CC_IS_GCC
+endif # CONFIG_X86_32
ifeq ($(CONFIG_CRYPTO_LIB_BLAKE2B_ARCH),y)
CFLAGS_blake2b.o += -I$(src)/$(SRCARCH)
libblake2b-$(CONFIG_ARM) += arm/blake2b-neon-core.o
--
2.51.1