[RFC PATCH v4 23/37] arm64: kernel: Skip validation of sigreturn32.o
Chen Zhongjin
chenzhongjin at huawei.com
Fri Apr 29 02:43:41 PDT 2022
From: Julien Thierry <jthierry at redhat.com>
sigreturn32.o contains aarch32 getting copied to the VDSO for
compat user tasks.
This code shouldn't get validated by arm64 objtool.
Signed-off-by: Julien Thierry <jthierry at redhat.com>
---
arch/arm64/kernel/Makefile | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile
index c4f01bfe79b4..eee5eb7d782b 100644
--- a/arch/arm64/kernel/Makefile
+++ b/arch/arm64/kernel/Makefile
@@ -40,6 +40,9 @@ $(obj)/%.stub.o: $(obj)/%.o FORCE
obj-$(CONFIG_COMPAT) += sys32.o signal32.o \
sys_compat.o
obj-$(CONFIG_COMPAT) += sigreturn32.o
+ifeq ($(CONFIG_COMPAT), y)
+OBJECT_FILES_NON_STANDARD_sigreturn32.o := y
+endif
obj-$(CONFIG_KUSER_HELPERS) += kuser32.o
OBJECT_FILES_NON_STANDARD_kuser32.o := y
--
2.17.1
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