[PATCH 5/6] riscv/purgatory: Disable CFI

Sami Tolvanen posted 6 patches 2 years, 7 months ago
There is a newer version of this series
[PATCH 5/6] riscv/purgatory: Disable CFI
Posted by Sami Tolvanen 2 years, 7 months ago
Filter out CC_FLAGS_CFI when CONFIG_CFI_CLANG.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
---
 arch/riscv/purgatory/Makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/riscv/purgatory/Makefile b/arch/riscv/purgatory/Makefile
index dc20e166983e..9e6476719abb 100644
--- a/arch/riscv/purgatory/Makefile
+++ b/arch/riscv/purgatory/Makefile
@@ -77,6 +77,10 @@ ifdef CONFIG_STACKPROTECTOR_STRONG
 PURGATORY_CFLAGS_REMOVE		+= -fstack-protector-strong
 endif
 
+ifdef CONFIG_CFI_CLANG
+PURGATORY_CFLAGS_REMOVE		+= $(CC_FLAGS_CFI)
+endif
+
 CFLAGS_REMOVE_purgatory.o	+= $(PURGATORY_CFLAGS_REMOVE)
 CFLAGS_purgatory.o		+= $(PURGATORY_CFLAGS)
 
-- 
2.41.0.255.g8b1d071c50-goog
Re: [PATCH 5/6] riscv/purgatory: Disable CFI
Posted by Kees Cook 2 years, 7 months ago
On Thu, Jun 29, 2023 at 11:42:50PM +0000, Sami Tolvanen wrote:
> Filter out CC_FLAGS_CFI when CONFIG_CFI_CLANG.
> 
> Signed-off-by: Sami Tolvanen <samitolvanen@google.com>

Reviewed-by: Kees Cook <keescook@chromium.org>

-- 
Kees Cook