/* These are for everybody (although not all archs will actually
discard it in modules) */
-#define __init __attribute__ ((__section__ (".init.text")))
+#define __init __attribute__ ((__section__ (".init.text"))) __cold
#define __initdata __attribute__ ((__section__ (".init.data")))
#define __exitdata __attribute__ ((__section__(".exit.data")))
-#define __exit_call __attribute_used__ __attribute__ ((__section__ (".exitcall.exit")))
+#define __exit_call __attribute_used__ __attribute__ ((__section__ (".exitcall.exit"))) __cold
+
+/* modpost check for section mismatches during the kernel build.
+ * A section mismatch happens when there are references from a
+ * code or data section to an init section (both code or data).
+ * The init sections are (for most archs) discarded by the kernel
+ * when early init has completed so all such references are potential bugs.
+ * For exit sections the same issue exists.
+ * The following markers are used for the cases where the reference to
+ * the init/exit section (code or data) is valid and will teach modpost
+ * not to issue a warning.
+ * The markers follow same syntax rules as __init / __initdata. */
+#define __init_refok noinline __attribute__ ((__section__ (".text.init.refok")))
+#define __initdata_refok __attribute__ ((__section__ (".data.init.refok")))
#ifdef MODULE
-#define __exit __attribute__ ((__section__(".exit.text")))
+#define __exit __attribute__ ((__section__(".exit.text"))) __cold
#else
-#define __exit __attribute_used__ __attribute__ ((__section__(".exit.text")))
+#define __exit __attribute_used__ __attribute__ ((__section__(".exit.text"))) __cold
#endif
/* For assembly routines */
-#ifdef CONFIG_HOTPLUG_CPU
-#define __INIT .section ".text","ax"
-#define __INITDATA .section ".data","aw"
-#else
#define __INIT .section ".init.text","ax"
-#define __INITDATA .section ".init.data","aw"
-#endif
#define __FINIT .previous
+#define __INITDATA .section ".init.data","aw"
#ifndef __ASSEMBLY__
/*
extern unsigned int reset_devices;
/* used by init/main.c */
-extern void setup_arch(char **);
+void setup_arch(char **);
+void prepare_namespace(void);
#endif
#define __setup(str, fn) \
__setup_param(str, fn, fn, 0)
-#define __obsolete_setup(str) \
- __setup_null_param(str, __LINE__)
-
/* NOTE: fn is as per module_param, not __setup! Emits warning if fn
* returns non-zero. */
#define early_param(str, fn) \
#define __setup_param(str, unique_id, fn) /* nothing */
#define __setup_null_param(str, unique_id) /* nothing */
#define __setup(str, func) /* nothing */
-#define __obsolete_setup(str) /* nothing */
#endif
-/* Data marked not to be saved by software_suspend() */
+/* Data marked not to be saved by software suspend */
#define __nosavedata __attribute__ ((__section__ (".data.nosave")))
/* This means "can be init if no module support, otherwise module load