This reverts commit 7f3c5d099b6f8452dc4dcfe4179ea48e6a13d0eb. Turns out that this is reproducible still under specific compiler versions (mea culpa: I did not test every supported version of clang), and even a few randconfigs bots found.
We'll have to revisit this again in the future, for now back this out. Reported-by: Nathan Chancellor <nat...@kernel.org> Closes: https://github.com/ClangBuiltLinux/linux/issues/252#issuecomment-1690371256 Reported-by: kernel test robot <l...@intel.com> Closes: https://lore.kernel.org/llvm/202308260344.vc4giuk7-...@intel.com/ Signed-off-by: Nick Desaulniers <ndesaulni...@google.com> --- arch/powerpc/xmon/Makefile | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/powerpc/xmon/Makefile b/arch/powerpc/xmon/Makefile index 7705aa74a24d..d334de392e6c 100644 --- a/arch/powerpc/xmon/Makefile +++ b/arch/powerpc/xmon/Makefile @@ -10,6 +10,12 @@ KCSAN_SANITIZE := n # Disable ftrace for the entire directory ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE) +ifdef CONFIG_CC_IS_CLANG +# clang stores addresses on the stack causing the frame size to blow +# out. See https://github.com/ClangBuiltLinux/linux/issues/252 +KBUILD_CFLAGS += -Wframe-larger-than=4096 +endif + ccflags-$(CONFIG_PPC64) := $(NO_MINIMAL_TOC) obj-y += xmon.o nonstdio.o spr_access.o xmon_bpts.o --- base-commit: 2ee82481c392eec06a7ef28df61b7f0d8e45be2e change-id: 20230828-ppc_rerevert-647427f04ce1 Best regards, -- Nick Desaulniers <ndesaulni...@google.com>
