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

Steven Rostedt
2019-10-25T01:20:24Z

On Thu, 24 Oct 2019 15:51:31 -0700
samitolvanen@google.com wrote:

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(+)
>
> 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