--- zzzz-none-000/linux-3.10.107/include/linux/init.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/linux/init.h	2021-02-04 17:41:59.000000000 +0000
@@ -26,8 +26,8 @@
  * extern int initialize_foobar_device(int, int, int) __init;
  *
  * For initialized data:
- * You should insert __initdata between the variable name and equal
- * sign followed by value, e.g.:
+ * You should insert __initdata or __initconst between the variable name
+ * and equal sign followed by value, e.g.:
  *
  * static int init_variable __initdata = 0;
  * static const char linux_logo[] __initconst = { 0x32, 0x36, ... };
@@ -35,8 +35,6 @@
  * Don't forget to initialize data not at file scope, i.e. within a function,
  * as gcc otherwise puts the data into the bss section and not into the init
  * section.
- * 
- * Also note, that this data cannot be "const".
  */
 
 /* These are for everybody (although not all archs will actually
@@ -93,14 +91,6 @@
 
 #define __exit          __section(.exit.text) __exitused __cold notrace
 
-/* Used for HOTPLUG_CPU */
-#define __cpuinit        __section(.cpuinit.text) __cold notrace
-#define __cpuinitdata    __section(.cpuinit.data)
-#define __cpuinitconst   __constsection(.cpuinit.rodata)
-#define __cpuexit        __section(.cpuexit.text) __exitused __cold notrace
-#define __cpuexitdata    __section(.cpuexit.data)
-#define __cpuexitconst   __constsection(.cpuexit.rodata)
-
 /* Used for MEMORY_HOTPLUG */
 #define __meminit        __section(.meminit.text) __cold notrace
 #define __meminitdata    __section(.meminit.data)
@@ -118,10 +108,6 @@
 #define __INITRODATA	.section	".init.rodata","a",%progbits
 #define __FINITDATA	.previous
 
-#define __CPUINIT        .section	".cpuinit.text", "ax"
-#define __CPUINITDATA    .section	".cpuinit.data", "aw"
-#define __CPUINITRODATA  .section	".cpuinit.rodata", "a"
-
 #define __MEMINIT        .section	".meminit.text", "ax"
 #define __MEMINITDATA    .section	".meminit.data", "aw"
 #define __MEMINITRODATA  .section	".meminit.rodata", "a"
@@ -154,6 +140,7 @@
 void setup_arch(char **);
 void prepare_namespace(void);
 void __init load_default_modules(void);
+int __init init_rootfs(void);
 
 extern void (*late_time_init)(void);
 
@@ -165,6 +152,23 @@
 
 #ifndef __ASSEMBLY__
 
+#ifdef CONFIG_LTO
+/* Work around a LTO gcc problem: when there is no reference to a variable
+ * in a module it will be moved to the end of the program. This causes
+ * reordering of initcalls which the kernel does not like.
+ * Add a dummy reference function to avoid this. The function is
+ * deleted by the linker.
+ */
+#define LTO_REFERENCE_INITCALL(x) \
+	; /* yes this is needed */			\
+	static __used __exit void *reference_##x(void)	\
+	{						\
+		return &x;				\
+	}
+#else
+#define LTO_REFERENCE_INITCALL(x)
+#endif
+
 /* initcalls are now grouped by functionality into separate 
  * subsections. Ordering inside the subsections is determined
  * by link order. 
@@ -177,7 +181,8 @@
 
 #define __define_initcall(fn, id) \
 	static initcall_t __initcall_##fn##id __used \
-	__attribute__((__section__(".initcall" #id ".init"))) = fn
+	__attribute__((__section__(".initcall" #id ".init"))) = fn; \
+	LTO_REFERENCE_INITCALL(__initcall_##fn##id)
 
 /*
  * Early initcalls run before initializing SMP.
@@ -237,74 +242,48 @@
  * obs_kernel_param "array" too far apart in .init.setup.
  */
 #define __setup_param(str, unique_id, fn, early)			\
-	static const char __setup_str_##unique_id[] __initconst	\
-		__aligned(1) = str; \
-	static struct obs_kernel_param __setup_##unique_id	\
-		__used __section(.init.setup)			\
-		__attribute__((aligned((sizeof(long)))))	\
+	static const char __setup_str_##unique_id[] __initconst		\
+		__aligned(1) = str; 					\
+	static struct obs_kernel_param __setup_##unique_id		\
+		__used __section(.init.setup)				\
+		__attribute__((aligned((sizeof(long)))))		\
 		= { __setup_str_##unique_id, fn, early }
 
-#define __setup(str, fn)					\
+#define __setup(str, fn)						\
 	__setup_param(str, fn, fn, 0)
 
-/* NOTE: fn is as per module_param, not __setup!  Emits warning if fn
- * returns non-zero. */
-#define early_param(str, fn)					\
+/*
+ * NOTE: fn is as per module_param, not __setup!
+ * Emits warning if fn returns non-zero.
+ */
+#define early_param(str, fn)						\
 	__setup_param(str, fn, fn, 1)
 
+#define early_param_on_off(str_on, str_off, var, config)		\
+									\
+	int var = IS_ENABLED(config);					\
+									\
+	static int __init parse_##var##_on(char *arg)			\
+	{								\
+		var = 1;						\
+		return 0;						\
+	}								\
+	__setup_param(str_on, parse_##var##_on, parse_##var##_on, 1);	\
+									\
+	static int __init parse_##var##_off(char *arg)			\
+	{								\
+		var = 0;						\
+		return 0;						\
+	}								\
+	__setup_param(str_off, parse_##var##_off, parse_##var##_off, 1)
+
 /* Relies on boot_command_line being set */
 void __init parse_early_param(void);
 void __init parse_early_options(char *cmdline);
 #endif /* __ASSEMBLY__ */
 
-/**
- * module_init() - driver initialization entry point
- * @x: function to be run at kernel boot time or module insertion
- * 
- * module_init() will either be called during do_initcalls() (if
- * builtin) or at module insertion time (if a module).  There can only
- * be one per module.
- */
-#define module_init(x)	__initcall(x);
-
-/**
- * module_exit() - driver exit entry point
- * @x: function to be run when driver is removed
- * 
- * module_exit() will wrap the driver clean-up code
- * with cleanup_module() when used with rmmod when
- * the driver is a module.  If the driver is statically
- * compiled into the kernel, module_exit() has no effect.
- * There can only be one per module.
- */
-#define module_exit(x)	__exitcall(x);
-
 #else /* MODULE */
 
-/* Don't use these in loadable modules, but some people do... */
-#define early_initcall(fn)		module_init(fn)
-#define core_initcall(fn)		module_init(fn)
-#define postcore_initcall(fn)		module_init(fn)
-#define arch_initcall(fn)		module_init(fn)
-#define subsys_initcall(fn)		module_init(fn)
-#define fs_initcall(fn)			module_init(fn)
-#define device_initcall(fn)		module_init(fn)
-#define late_initcall(fn)		module_init(fn)
-
-#define security_initcall(fn)		module_init(fn)
-
-/* Each module must use one module_init(). */
-#define module_init(initfn)					\
-	static inline initcall_t __inittest(void)		\
-	{ return initfn; }					\
-	int init_module(void) __attribute__((alias(#initfn)));
-
-/* This is only required if you want to be unloadable. */
-#define module_exit(exitfn)					\
-	static inline exitcall_t __exittest(void)		\
-	{ return exitfn; }					\
-	void cleanup_module(void) __attribute__((alias(#exitfn)));
-
 #define __setup_param(str, unique_id, fn)	/* nothing */
 #define __setup(str, func) 			/* nothing */
 #endif
@@ -312,24 +291,6 @@
 /* Data marked not to be saved by software suspend */
 #define __nosavedata __section(.data..nosave)
 
-/* This means "can be init if no module support, otherwise module load
-   may call it." */
-#ifdef CONFIG_MODULES
-#define __init_or_module
-#define __initdata_or_module
-#define __initconst_or_module
-#define __INIT_OR_MODULE	.text
-#define __INITDATA_OR_MODULE	.data
-#define __INITRODATA_OR_MODULE	.section ".rodata","a",%progbits
-#else
-#define __init_or_module __init
-#define __initdata_or_module __initdata
-#define __initconst_or_module __initconst
-#define __INIT_OR_MODULE __INIT
-#define __INITDATA_OR_MODULE __INITDATA
-#define __INITRODATA_OR_MODULE __INITRODATA
-#endif /*CONFIG_MODULES*/
-
 #ifdef MODULE
 #define __exit_p(x) x
 #else