Messages in this thread |  | | From | Sami Tolvanen <> | Date | Thu, 16 Jan 2020 12:16:53 -0800 | Subject | Re: [PATCH v6 13/15] arm64: disable SCS for hypervisor code |
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On Thu, Jan 16, 2020 at 9:47 AM Will Deacon <will@kernel.org> wrote: > > On Fri, Dec 06, 2019 at 02:13:49PM -0800, Sami Tolvanen wrote: > > Filter out CC_FLAGS_SCS for code that runs at a different exception > > level. > > > > Suggested-by: Steven Rostedt (VMware) <rostedt@goodmis.org> > > Signed-off-by: Sami Tolvanen <samitolvanen@google.com> > > Reviewed-by: Kees Cook <keescook@chromium.org> > > Reviewed-by: Mark Rutland <mark.rutland@arm.com> > > --- > > 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..17ea3da325e9 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 $(CC_FLAGS_SCS), $(KBUILD_CFLAGS)) > > Same comment as for the vDSO; can we remove the -ffixed-x18 as well?
Sure, I don't see why not. I'll change this in the next version.
Sami
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