| Message ID | 20191031164637.48901-17-samitolvanen@google.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v3,01/17] arm64: mm: avoid x18 in idmap_kpti_install_ng_mappings | expand |
On Thu, Oct 31, 2019 at 09:46:36AM -0700, samitolvanen@google.com 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> -Kees > --- > 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)) > -- > 2.24.0.rc0.303.g954a862665-goog >
On Thu, Oct 31, 2019 at 09:46:36AM -0700, samitolvanen@google.com 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> (Does it make any sense to merge all of these "disable under SCS" patches? I guess not, since they're each different areas...) Reviewed-by: Kees Cook <keescook@chromium.org> -Kees > --- > 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)) > -- > 2.24.0.rc0.303.g954a862665-goog >
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))
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> --- arch/arm64/kvm/hyp/Makefile | 3 +++ 1 file changed, 3 insertions(+)