Filter out CC_FLAGS_SCS and -ffixed-x18 for code that runs at a different exception level. Suggested-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx> Signed-off-by: Sami Tolvanen <samitolvanen@xxxxxxxxxx> Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx> Reviewed-by: Mark Rutland <mark.rutland@xxxxxxx> --- arch/arm64/kvm/hyp/Makefile | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/kvm/hyp/Makefile b/arch/arm64/kvm/hyp/Makefile index ea710f674cb6..5843adef9ef6 100644 --- a/arch/arm64/kvm/hyp/Makefile +++ b/arch/arm64/kvm/hyp/Makefile @@ -28,3 +28,6 @@ GCOV_PROFILE := n KASAN_SANITIZE := n UBSAN_SANITIZE := n KCOV_INSTRUMENT := n + +# remove the SCS flags from all objects in this directory +KBUILD_CFLAGS := $(filter-out -ffixed-x18 $(CC_FLAGS_SCS), $(KBUILD_CFLAGS)) -- 2.25.0.341.g760bfbb309-goog