vmlinux.lds.h: Avoid copy/paste of security_init section

kees · James Morris · commit 1e80cd1672bc · 2018-10-10T20:40:21.000-07:00
Avoid copy/paste by defining SECURITY_INIT in terms of SECURITY_INITCALL.

Signed-off-by: Kees Cook &lt;keescook@chromium.org&gt;
Reviewed-by: Casey Schaufler &lt;casey@schaufler-ca.com&gt;
Reviewed-by: James Morris &lt;james.morris@microsoft.com&gt;
Reviewed-by: John Johansen &lt;john.johansen@canonical.com&gt;
Signed-off-by: James Morris &lt;james.morris@microsoft.com&gt;
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
@@ -473,13 +473,6 @@
 #define RODATA          RO_DATA_SECTION(4096)
 #define RO_DATA(align)  RO_DATA_SECTION(align)
 
-#define SECURITY_INIT							\
-	.security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \
-		__security_initcall_start = .;				\
-		KEEP(*(.security_initcall.init))			\
-		__security_initcall_end = .;				\
-	}
-
 /*
  * .text section. Map to function alignment to avoid address changes
  * during second ld run in second ld pass when generating System.map
@@ -798,6 +791,12 @@
 		KEEP(*(.security_initcall.init))			\
 		__security_initcall_end = .;
 
+/* Older linker script style for security init. */
+#define SECURITY_INIT							\
+	.security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \
+		SECURITY_INITCALL					\
+	}
+
 #ifdef CONFIG_BLK_DEV_INITRD
 #define INIT_RAM_FS							\
 	. = ALIGN(4);							\
