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vmlinux.lds.h: Move LSM_TABLE into INIT_DATA

Since the struct lsm_info table is not an initcall, we can just move it
into INIT_DATA like all the other tables.

Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Casey Schaufler <casey@schaufler-ca.com>
Reviewed-by: John Johansen <john.johansen@canonical.com>
Reviewed-by: James Morris <james.morris@microsoft.com>
Signed-off-by: James Morris <james.morris@microsoft.com>
Kees Cook 6 years ago
parent
commit
3ac946d12e

+ 0 - 1
arch/arc/kernel/vmlinux.lds.S

@@ -71,7 +71,6 @@ SECTIONS
 		INIT_SETUP(L1_CACHE_BYTES)
 		INIT_CALLS
 		CON_INITCALL
-		SECURITY_INITCALL
 	}
 
 	.init.arch.info : {

+ 0 - 1
arch/arm/kernel/vmlinux-xip.lds.S

@@ -96,7 +96,6 @@ SECTIONS
 		INIT_SETUP(16)
 		INIT_CALLS
 		CON_INITCALL
-		SECURITY_INITCALL
 		INIT_RAM_FS
 	}
 

+ 0 - 1
arch/arm64/kernel/vmlinux.lds.S

@@ -166,7 +166,6 @@ SECTIONS
 		INIT_SETUP(16)
 		INIT_CALLS
 		CON_INITCALL
-		SECURITY_INITCALL
 		INIT_RAM_FS
 		*(.init.rodata.* .init.bss)	/* from the EFI stub */
 	}

+ 0 - 1
arch/h8300/kernel/vmlinux.lds.S

@@ -56,7 +56,6 @@ SECTIONS
 	__init_begin = .;
 	INIT_TEXT_SECTION(4)
 	INIT_DATA_SECTION(4)
-	SECURITY_INIT
 	__init_end = .;
 	_edata = . ;
 	_begin_data = LOADADDR(.data);

+ 0 - 2
arch/microblaze/kernel/vmlinux.lds.S

@@ -117,8 +117,6 @@ SECTIONS {
 		CON_INITCALL
 	}
 
-	SECURITY_INIT
-
 	__init_end_before_initramfs = .;
 
 	.init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {

+ 0 - 2
arch/powerpc/kernel/vmlinux.lds.S

@@ -212,8 +212,6 @@ SECTIONS
 		CON_INITCALL
 	}
 
-	SECURITY_INIT
-
 	. = ALIGN(8);
 	__ftr_fixup : AT(ADDR(__ftr_fixup) - LOAD_OFFSET) {
 		__start___ftr_fixup = .;

+ 0 - 2
arch/um/include/asm/common.lds.S

@@ -53,8 +53,6 @@
 	CON_INITCALL
   }
 
-  SECURITY_INIT
-
   .exitcall : {
 	__exitcall_begin = .;
 	*(.exitcall.exit)

+ 0 - 1
arch/xtensa/kernel/vmlinux.lds.S

@@ -197,7 +197,6 @@ SECTIONS
     INIT_SETUP(XCHAL_ICACHE_LINESIZE)
     INIT_CALLS
     CON_INITCALL
-    SECURITY_INITCALL
     INIT_RAM_FS
   }
 

+ 11 - 13
include/asm-generic/vmlinux.lds.h

@@ -203,6 +203,15 @@
 #define EARLYCON_TABLE()
 #endif
 
+#ifdef CONFIG_SECURITY
+#define LSM_TABLE()	. = ALIGN(8);					\
+			__start_lsm_info = .;				\
+			KEEP(*(.lsm_info.init))				\
+			__end_lsm_info = .;
+#else
+#define LSM_TABLE()
+#endif
+
 #define ___OF_TABLE(cfg, name)	_OF_TABLE_##cfg(name)
 #define __OF_TABLE(cfg, name)	___OF_TABLE(cfg, name)
 #define OF_TABLE(cfg, name)	__OF_TABLE(IS_ENABLED(cfg), name)
@@ -597,7 +606,8 @@
 	IRQCHIP_OF_MATCH_TABLE()					\
 	ACPI_PROBE_TABLE(irqchip)					\
 	ACPI_PROBE_TABLE(timer)						\
-	EARLYCON_TABLE()
+	EARLYCON_TABLE()						\
+	LSM_TABLE()
 
 #define INIT_TEXT							\
 	*(.init.text .init.text.*)					\
@@ -786,17 +796,6 @@
 		KEEP(*(.con_initcall.init))				\
 		__con_initcall_end = .;
 
-#define SECURITY_INITCALL						\
-		__start_lsm_info = .;					\
-		KEEP(*(.lsm_info.init))					\
-		__end_lsm_info = .;
-
-/* Older linker script style for security init. */
-#define SECURITY_INIT							\
-	.lsm_info.init : AT(ADDR(.lsm_info.init) - LOAD_OFFSET) {	\
-		LSM_INFO						\
-	}
-
 #ifdef CONFIG_BLK_DEV_INITRD
 #define INIT_RAM_FS							\
 	. = ALIGN(4);							\
@@ -963,7 +962,6 @@
 		INIT_SETUP(initsetup_align)				\
 		INIT_CALLS						\
 		CON_INITCALL						\
-		SECURITY_INITCALL					\
 		INIT_RAM_FS						\
 	}