On Wed, Jun 24, 2020 at 1:33 PM Sami Tolvanen <samitolvanen@xxxxxxxxxx> wrote: > > Filter out CC_FLAGS_LTO for the vDSO. Just curious about this patch (and the following one for x86's vdso), do you happen to recall specifically what the issues with the vdso's are? > > Signed-off-by: Sami Tolvanen <samitolvanen@xxxxxxxxxx> > --- > arch/arm64/kernel/vdso/Makefile | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile > index 556d424c6f52..cfad4c296ca1 100644 > --- a/arch/arm64/kernel/vdso/Makefile > +++ b/arch/arm64/kernel/vdso/Makefile > @@ -29,8 +29,8 @@ ldflags-y := -shared -nostdlib -soname=linux-vdso.so.1 --hash-style=sysv \ > ccflags-y := -fno-common -fno-builtin -fno-stack-protector -ffixed-x18 > ccflags-y += -DDISABLE_BRANCH_PROFILING > > -CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os $(CC_FLAGS_SCS) > -KBUILD_CFLAGS += $(DISABLE_LTO) > +CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os $(CC_FLAGS_SCS) \ > + $(CC_FLAGS_LTO) > KASAN_SANITIZE := n > UBSAN_SANITIZE := n > OBJECT_FILES_NON_STANDARD := y > -- > 2.27.0.212.ge8ba1cc988-goog > -- Thanks, ~Nick Desaulniers