Hi! > From: Sami Tolvanen <samitolvanen@xxxxxxxxxx> > > [ Upstream commit cc49c71d2abe99c1c2c9bedf0693ad2d3ee4a067 ] > > Shadow stacks are not available in the EFI stub, filter out SCS > flags. AFAICT, SCS is not available in 4.19, CC_FLAGS_SCS is not defined there, and we should apply this patch. Best regards, Pavel > +++ b/drivers/firmware/efi/libstub/Makefile > @@ -23,6 +23,9 @@ KBUILD_CFLAGS := $(cflags-y) -DDISABLE_BRANCH_PROFILING \ > $(call cc-option,-ffreestanding) \ > $(call cc-option,-fno-stack-protector) > > +# remove SCS flags from all objects in this directory > +KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_SCS), $(KBUILD_CFLAGS)) > + > GCOV_PROFILE := n > KASAN_SANITIZE := n > UBSAN_SANITIZE := n -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Attachment:
signature.asc
Description: Digital signature
