Re: [PATCH v2 16/17] arm64: disable SCS for hypervisor code

[Steven Rostedt]

On Thu, 24 Oct 2019 15:51:31 -0700
samitolvanen@xxxxxxxxxx wrote:

Suggested-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>

  ;-)

> Signed-off-by: Sami Tolvanen <samitolvanen@xxxxxxxxxx>
> ---
>  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..8289ea086e5e 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
> +
> +ORIG_CFLAGS := $(KBUILD_CFLAGS)
> +KBUILD_CFLAGS = $(subst $(CC_FLAGS_SCS),,$(ORIG_CFLAGS))

May want a comment above that that states:

 # remove the SCS flags from all objects in this directory

-- Steve