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Diffstat (limited to 'arch/arm64/include/asm/linkage.h')
-rw-r--r--arch/arm64/include/asm/linkage.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/linkage.h b/arch/arm64/include/asm/linkage.h
index 1b266292f0be..ebee3113a62f 100644
--- a/arch/arm64/include/asm/linkage.h
+++ b/arch/arm64/include/asm/linkage.h
@@ -4,4 +4,20 @@
#define __ALIGN .align 2
#define __ALIGN_STR ".align 2"
+/*
+ * Annotate a function as position independent, i.e., safe to be called before
+ * the kernel virtual mapping is activated.
+ */
+#define SYM_FUNC_START_PI(x) \
+ SYM_FUNC_START_ALIAS(__pi_##x); \
+ SYM_FUNC_START(x)
+
+#define SYM_FUNC_START_WEAK_PI(x) \
+ SYM_FUNC_START_ALIAS(__pi_##x); \
+ SYM_FUNC_START_WEAK(x)
+
+#define SYM_FUNC_END_PI(x) \
+ SYM_FUNC_END(x); \
+ SYM_FUNC_END_ALIAS(__pi_##x)
+
#endif