diff options
| author |   Sami Tolvanen <samitolvanen@google.com> | 2020-04-27 09:00:14 -0700 |
|---|---|---|
| committer |   Will Deacon <will@kernel.org> | 2020-05-15 16:35:50 +0100 |
| commit | cde5dec89e5dee5a6de12cd99fdb24651ee03146 (patch) | |
| tree | bd463b1048140c61361194e6914a7a60156ece85 /arch/arm64/kernel/vdso/Makefile | |
| parent | arm64: efi: Restore register x18 if it was corrupted (diff) | |
| download | linux-dev-cde5dec89e5dee5a6de12cd99fdb24651ee03146.tar.xz linux-dev-cde5dec89e5dee5a6de12cd99fdb24651ee03146.zip | |
arm64: vdso: Disable Shadow Call Stack
Shadow stacks are only available in the kernel, so disable SCS
instrumentation for the vDSO.
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/kernel/vdso/Makefile')
| -rw-r--r-- | arch/arm64/kernel/vdso/Makefile | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile index dd2514bb1511..a87a4f11724e 100644 --- a/arch/arm64/kernel/vdso/Makefile +++ b/arch/arm64/kernel/vdso/Makefile @@ -25,7 +25,7 @@ ccflags-y += -DDISABLE_BRANCH_PROFILING VDSO_LDFLAGS := -Bsymbolic -CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os +CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os $(CC_FLAGS_SCS) KBUILD_CFLAGS += $(DISABLE_LTO) KASAN_SANITIZE := n UBSAN_SANITIZE := n |