modpost: remove all traces of cpuinit/cpuexit sections

Delete all audit rules that were checking how the .cpuXYZ
related sections were inter-operating with other __init
like sections, now that __cpuinit is gone.  Update the linker
script to not have any knowledge of .cpuinit sections.

[lds.h update courtesy of Ralf Baechle <ralf@linux-mips.org>]

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

Author: Paul Gortmaker

include/asm-generic/vmlinux.lds.h

@@ -184,8 +184,6 @@
 	*(.data..shared_aligned) /* percpu related */			\
 	DEV_KEEP(init.data)						\
 	DEV_KEEP(exit.data)						\
-	CPU_KEEP(init.data)						\
-	CPU_KEEP(exit.data)						\
 	MEM_KEEP(init.data)						\
 	MEM_KEEP(exit.data)						\
 	*(.data.unlikely)						\
@@ -374,8 +372,6 @@
 		*(.ref.rodata)						\
 		DEV_KEEP(init.rodata)					\
 		DEV_KEEP(exit.rodata)					\
-		CPU_KEEP(init.rodata)					\
-		CPU_KEEP(exit.rodata)					\
 		MEM_KEEP(init.rodata)					\
 		MEM_KEEP(exit.rodata)					\
 	}								\
@@ -418,8 +414,6 @@
 		*(.ref.text)						\
 	DEV_KEEP(init.text)						\
 	DEV_KEEP(exit.text)						\
-	CPU_KEEP(init.text)						\
-	CPU_KEEP(exit.text)						\
 	MEM_KEEP(init.text)						\
 	MEM_KEEP(exit.text)						\
 		*(.text.unlikely)
@@ -504,15 +498,13 @@
 #define INIT_DATA							\
 	*(.init.data)							\
 	DEV_DISCARD(init.data)						\
-	CPU_DISCARD(init.data)						\
 	MEM_DISCARD(init.data)						\
 	KERNEL_CTORS()							\
 	MCOUNT_REC()							\
 	*(.init.rodata)							\
 	FTRACE_EVENTS()							\
 	TRACE_SYSCALLS()						\
 	DEV_DISCARD(init.rodata)					\
-	CPU_DISCARD(init.rodata)					\
 	MEM_DISCARD(init.rodata)					\
 	CLK_OF_TABLES()							\
 	CLKSRC_OF_TABLES()						\
@@ -522,22 +514,18 @@
 #define INIT_TEXT							\
 	*(.init.text)							\
 	DEV_DISCARD(init.text)						\
-	CPU_DISCARD(init.text)						\
 	MEM_DISCARD(init.text)
 
 #define EXIT_DATA							\
 	*(.exit.data)							\
 	DEV_DISCARD(exit.data)						\
 	DEV_DISCARD(exit.rodata)					\
-	CPU_DISCARD(exit.data)						\
-	CPU_DISCARD(exit.rodata)					\
 	MEM_DISCARD(exit.data)						\
 	MEM_DISCARD(exit.rodata)
 
 #define EXIT_TEXT							\
 	*(.exit.text)							\
 	DEV_DISCARD(exit.text)						\
-	CPU_DISCARD(exit.text)						\
 	MEM_DISCARD(exit.text)
 
 #define EXIT_CALL							\

scripts/mod/modpost.c

@@ -861,24 +861,23 @@ static void check_section(const char *modname, struct elf_info *elf,
 
 
 #define ALL_INIT_DATA_SECTIONS \
-	".init.setup$", ".init.rodata$", \
-	".cpuinit.rodata$", ".meminit.rodata$", \
-	".init.data$", ".cpuinit.data$", ".meminit.data$"
+	".init.setup$", ".init.rodata$", ".meminit.rodata$", \
+	".init.data$", ".meminit.data$"
 #define ALL_EXIT_DATA_SECTIONS \
-	".exit.data$", ".cpuexit.data$", ".memexit.data$"
+	".exit.data$", ".memexit.data$"
 
 #define ALL_INIT_TEXT_SECTIONS \
-	".init.text$", ".cpuinit.text$", ".meminit.text$"
+	".init.text$", ".meminit.text$"
 #define ALL_EXIT_TEXT_SECTIONS \
-	".exit.text$", ".cpuexit.text$", ".memexit.text$"
+	".exit.text$", ".memexit.text$"
 
 #define ALL_PCI_INIT_SECTIONS	\
 	".pci_fixup_early$", ".pci_fixup_header$", ".pci_fixup_final$", \
 	".pci_fixup_enable$", ".pci_fixup_resume$", \
 	".pci_fixup_resume_early$", ".pci_fixup_suspend$"
 
-#define ALL_XXXINIT_SECTIONS CPU_INIT_SECTIONS, MEM_INIT_SECTIONS
-#define ALL_XXXEXIT_SECTIONS CPU_EXIT_SECTIONS, MEM_EXIT_SECTIONS
+#define ALL_XXXINIT_SECTIONS MEM_INIT_SECTIONS
+#define ALL_XXXEXIT_SECTIONS MEM_EXIT_SECTIONS
 
 #define ALL_INIT_SECTIONS INIT_SECTIONS, ALL_XXXINIT_SECTIONS
 #define ALL_EXIT_SECTIONS EXIT_SECTIONS, ALL_XXXEXIT_SECTIONS
@@ -887,11 +886,9 @@ static void check_section(const char *modname, struct elf_info *elf,
 #define TEXT_SECTIONS ".text$"
 
 #define INIT_SECTIONS      ".init.*"
-#define CPU_INIT_SECTIONS  ".cpuinit.*"
 #define MEM_INIT_SECTIONS  ".meminit.*"
 
 #define EXIT_SECTIONS      ".exit.*"
-#define CPU_EXIT_SECTIONS  ".cpuexit.*"
 #define MEM_EXIT_SECTIONS  ".memexit.*"
 
 /* init data sections */
@@ -979,48 +976,20 @@ const struct sectioncheck sectioncheck[] = {
 	.mismatch = DATA_TO_ANY_EXIT,
 	.symbol_white_list = { DEFAULT_SYMBOL_WHITE_LIST, NULL },
 },
-/* Do not reference init code/data from cpuinit/meminit code/data */
+/* Do not reference init code/data from meminit code/data */
 {
 	.fromsec = { ALL_XXXINIT_SECTIONS, NULL },
 	.tosec   = { INIT_SECTIONS, NULL },
 	.mismatch = XXXINIT_TO_SOME_INIT,
 	.symbol_white_list = { DEFAULT_SYMBOL_WHITE_LIST, NULL },
 },
-/* Do not reference cpuinit code/data from meminit code/data */
-{
-	.fromsec = { MEM_INIT_SECTIONS, NULL },
-	.tosec   = { CPU_INIT_SECTIONS, NULL },
-	.mismatch = XXXINIT_TO_SOME_INIT,
-	.symbol_white_list = { DEFAULT_SYMBOL_WHITE_LIST, NULL },
-},
-/* Do not reference meminit code/data from cpuinit code/data */
-{
-	.fromsec = { CPU_INIT_SECTIONS, NULL },
-	.tosec   = { MEM_INIT_SECTIONS, NULL },
-	.mismatch = XXXINIT_TO_SOME_INIT,
-	.symbol_white_list = { DEFAULT_SYMBOL_WHITE_LIST, NULL },
-},
-/* Do not reference exit code/data from cpuexit/memexit code/data */
+/* Do not reference exit code/data from memexit code/data */
 {
 	.fromsec = { ALL_XXXEXIT_SECTIONS, NULL },
 	.tosec   = { EXIT_SECTIONS, NULL },
 	.mismatch = XXXEXIT_TO_SOME_EXIT,
 	.symbol_white_list = { DEFAULT_SYMBOL_WHITE_LIST, NULL },
 },
-/* Do not reference cpuexit code/data from memexit code/data */
-{
-	.fromsec = { MEM_EXIT_SECTIONS, NULL },
-	.tosec   = { CPU_EXIT_SECTIONS, NULL },
-	.mismatch = XXXEXIT_TO_SOME_EXIT,
-	.symbol_white_list = { DEFAULT_SYMBOL_WHITE_LIST, NULL },
-},
-/* Do not reference memexit code/data from cpuexit code/data */
-{
-	.fromsec = { CPU_EXIT_SECTIONS, NULL },
-	.tosec   = { MEM_EXIT_SECTIONS, NULL },
-	.mismatch = XXXEXIT_TO_SOME_EXIT,
-	.symbol_white_list = { DEFAULT_SYMBOL_WHITE_LIST, NULL },
-},
 /* Do not use exit code/data from init code */
 {
 	.fromsec = { ALL_INIT_SECTIONS, NULL },
@@ -1089,8 +1058,6 @@ static const struct sectioncheck *section_mismatch(
  * Pattern 2:
  *   Many drivers utilise a *driver container with references to
  *   add, remove, probe functions etc.
- *   These functions may often be marked __cpuinit and we do not want to
- *   warn here.
  *   the pattern is identified by:
  *   tosec   = init or exit section
  *   fromsec = data section
@@ -1249,7 +1216,6 @@ static Elf_Sym *find_elf_symbol2(struct elf_info *elf, Elf_Addr addr,
 /*
  * Convert a section name to the function/data attribute
  * .init.text => __init
- * .cpuinit.data => __cpudata
  * .memexitconst => __memconst
  * etc.
  *