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Merge tag 'for-5.15/parisc' of git://git.kernel.org/pub/scm/linux/kernel/git/deller...
[linux-2.6-microblaze.git]
/
Makefile
diff --git
a/Makefile
b/Makefile
index
79284e3
..
ec9e8a0
100644
(file)
--- a/
Makefile
+++ b/
Makefile
@@
-846,6
+846,11
@@
endif
# for the randomize_kstack_offset feature. Disable it for all compilers.
KBUILD_CFLAGS += $(call cc-option, -fno-stack-clash-protection)
# for the randomize_kstack_offset feature. Disable it for all compilers.
KBUILD_CFLAGS += $(call cc-option, -fno-stack-clash-protection)
+# Clear used registers at func exit (to reduce data lifetime and ROP gadgets).
+ifdef CONFIG_ZERO_CALL_USED_REGS
+KBUILD_CFLAGS += -fzero-call-used-regs=used-gpr
+endif
+
DEBUG_CFLAGS :=
# Workaround for GCC versions < 5.0
DEBUG_CFLAGS :=
# Workaround for GCC versions < 5.0