kernel: use -ffunction-sections, -fdata-sections and --gc-sections on mips

in combination with kernel symbol export stripping this significantly reduces
the kernel image size

SVN-Revision: 35320

include/kernel-build.mk

@@ -81,15 +81,11 @@ define BuildKernel
 	( \
 		echo '#define SYMTAB_KEEP \'; \
 		cat $(KERNEL_BUILD_DIR)/sym_include.txt | \
-			awk '{print "*(___ksymtab+" $$$$1 ") \\" }'; \
+			awk '{print "KEEP(*(___ksymtab+" $$$$1 ")) \\" }'; \
 		echo; \
 		echo '#define SYMTAB_KEEP_GPL \'; \
 		cat $(KERNEL_BUILD_DIR)/sym_include.txt | \
-			awk '{print "*(___ksymtab_gpl+" $$$$1 ") \\" }'; \
+			awk '{print "KEEP(*(___ksymtab_gpl+" $$$$1 ")) \\" }'; \
-		echo; \
-		echo '#define SYMTAB_KEEP_STR \'; \
-		cat $(KERNEL_BUILD_DIR)/sym_include.txt | \
-			awk '{print "*(__ksymtab_strings." $$$$1 ") \\" }'; \
 		echo; \
 		echo '#define SYMTAB_DISCARD \'; \
 		cat $(KERNEL_BUILD_DIR)/sym_exclude.txt | \
@@ -99,10 +95,6 @@ define BuildKernel
 		cat $(KERNEL_BUILD_DIR)/sym_exclude.txt | \
 			awk '{print "*(___ksymtab_gpl+" $$$$1 ") \\" }'; \
 		echo; \
-		echo '#define SYMTAB_DISCARD_STR \'; \
-		cat $(KERNEL_BUILD_DIR)/sym_exclude.txt | \
-			awk '{print "*(__ksymtab_strings." $$$$1 ") \\" }'; \
-		echo; \
 	) > $$@
 
   $(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_KCONFIG_LIST) $(TOPDIR)/.config

target/linux/ar71xx/patches-3.7/203-spi-ath79-use-gpio_request_one.patch

@@ -32,19 +32,18 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
 -		status = gpio_request(cdata->gpio, dev_name(&spi->dev));
 -		if (status)
 -			return status;
--
++		flags = GPIOF_DIR_OUT;
++		if (spi->mode & SPI_CS_HIGH)
++			flags |= GPIOF_INIT_HIGH;
++		else
++			flags |= GPIOF_INIT_LOW;
+ 
 -		status = gpio_direction_output(cdata->gpio,
 -					       spi->mode & SPI_CS_HIGH);
 -		if (status) {
 -			gpio_free(cdata->gpio);
 -			return status;
 -		}
-+		flags = GPIOF_DIR_OUT;
-+		if (spi->mode & SPI_CS_HIGH)
-+			flags |= GPIOF_INIT_HIGH;
-+		else
-+			flags |= GPIOF_INIT_LOW;
-+
 +		status = gpio_request_one(cdata->gpio, flags,
 +					  dev_name(&spi->dev));
  	}

target/linux/ar71xx/patches-3.7/500-MIPS-fw-myloader.patch

@@ -1,6 +1,6 @@
 --- a/arch/mips/Makefile
 +++ b/arch/mips/Makefile
-@@ -180,6 +180,7 @@ endif
+@@ -182,6 +182,7 @@ endif
  #
  libs-$(CONFIG_ARC)		+= arch/mips/fw/arc/
  libs-$(CONFIG_CFE)		+= arch/mips/fw/cfe/

target/linux/generic/patches-3.7/220-gc_sections.patch

@@ -0,0 +1,372 @@
+--- a/arch/mips/Makefile
++++ b/arch/mips/Makefile
+@@ -89,10 +89,12 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin
+ #
+ cflags-y			+= -G 0 -mno-abicalls -fno-pic -pipe
+ cflags-y			+= -msoft-float
+-LDFLAGS_vmlinux			+= -G 0 -static -n -nostdlib
++LDFLAGS_vmlinux			+= -G 0 -static -n -nostdlib --gc-sections
+ KBUILD_AFLAGS_MODULE		+= -mlong-calls
+ KBUILD_CFLAGS_MODULE		+= -mlong-calls
+ 
++KBUILD_CFLAGS_KERNEL		+= -ffunction-sections -fdata-sections
++
+ cflags-y += -ffreestanding
+ 
+ #
+--- a/arch/mips/kernel/vmlinux.lds.S
++++ b/arch/mips/kernel/vmlinux.lds.S
+@@ -66,7 +66,7 @@ SECTIONS
+ 	/* Exception table for data bus errors */
+ 	__dbe_table : {
+ 		__start___dbe_table = .;
+-		*(__dbe_table)
++		KEEP(*(__dbe_table))
+ 		__stop___dbe_table = .;
+ 	}
+ 
+@@ -111,7 +111,7 @@ SECTIONS
+ 	. = ALIGN(4);
+ 	.mips.machines.init : AT(ADDR(.mips.machines.init) - LOAD_OFFSET) {
+ 		__mips_machines_start = .;
+-		*(.mips.machines.init)
++		KEEP(*(.mips.machines.init))
+ 		__mips_machines_end = .;
+ 	}
+ 
+--- a/include/asm-generic/vmlinux.lds.h
++++ b/include/asm-generic/vmlinux.lds.h
+@@ -101,7 +101,7 @@
+ #ifdef CONFIG_FTRACE_MCOUNT_RECORD
+ #define MCOUNT_REC()	. = ALIGN(8);				\
+ 			VMLINUX_SYMBOL(__start_mcount_loc) = .; \
+-			*(__mcount_loc)				\
++			KEEP(*(__mcount_loc))			\
+ 			VMLINUX_SYMBOL(__stop_mcount_loc) = .;
+ #else
+ #define MCOUNT_REC()
+@@ -109,7 +109,7 @@
+ 
+ #ifdef CONFIG_TRACE_BRANCH_PROFILING
+ #define LIKELY_PROFILE()	VMLINUX_SYMBOL(__start_annotated_branch_profile) = .; \
+-				*(_ftrace_annotated_branch)			      \
++				KEEP(*(_ftrace_annotated_branch))		      \
+ 				VMLINUX_SYMBOL(__stop_annotated_branch_profile) = .;
+ #else
+ #define LIKELY_PROFILE()
+@@ -117,7 +117,7 @@
+ 
+ #ifdef CONFIG_PROFILE_ALL_BRANCHES
+ #define BRANCH_PROFILE()	VMLINUX_SYMBOL(__start_branch_profile) = .;   \
+-				*(_ftrace_branch)			      \
++				KEEP(*(_ftrace_branch))			      \
+ 				VMLINUX_SYMBOL(__stop_branch_profile) = .;
+ #else
+ #define BRANCH_PROFILE()
+@@ -126,7 +126,7 @@
+ #ifdef CONFIG_EVENT_TRACING
+ #define FTRACE_EVENTS()	. = ALIGN(8);					\
+ 			VMLINUX_SYMBOL(__start_ftrace_events) = .;	\
+-			*(_ftrace_events)				\
++			KEEP(*(_ftrace_events))				\
+ 			VMLINUX_SYMBOL(__stop_ftrace_events) = .;
+ #else
+ #define FTRACE_EVENTS()
+@@ -134,7 +134,7 @@
+ 
+ #ifdef CONFIG_TRACING
+ #define TRACE_PRINTKS() VMLINUX_SYMBOL(__start___trace_bprintk_fmt) = .;      \
+-			 *(__trace_printk_fmt) /* Trace_printk fmt' pointer */ \
++			 KEEP(*(__trace_printk_fmt)) /* Trace_printk fmt' pointer */ \
+ 			 VMLINUX_SYMBOL(__stop___trace_bprintk_fmt) = .;
+ #else
+ #define TRACE_PRINTKS()
+@@ -143,7 +143,7 @@
+ #ifdef CONFIG_FTRACE_SYSCALLS
+ #define TRACE_SYSCALLS() . = ALIGN(8);					\
+ 			 VMLINUX_SYMBOL(__start_syscalls_metadata) = .;	\
+-			 *(__syscalls_metadata)				\
++			 KEEP(*(__syscalls_metadata))			\
+ 			 VMLINUX_SYMBOL(__stop_syscalls_metadata) = .;
+ #else
+ #define TRACE_SYSCALLS()
+@@ -153,7 +153,7 @@
+ #define KERNEL_DTB()							\
+ 	STRUCT_ALIGN();							\
+ 	VMLINUX_SYMBOL(__dtb_start) = .;				\
+-	*(.dtb.init.rodata)						\
++	KEEP(*(.dtb.init.rodata))					\
+ 	VMLINUX_SYMBOL(__dtb_end) = .;
+ 
+ /* .data section */
+@@ -173,15 +173,16 @@
+ 	/* implement dynamic printk debug */				\
+ 	. = ALIGN(8);                                                   \
+ 	VMLINUX_SYMBOL(__start___jump_table) = .;                       \
+-	*(__jump_table)                                                 \
++	KEEP(*(__jump_table))                                           \
+ 	VMLINUX_SYMBOL(__stop___jump_table) = .;                        \
+ 	. = ALIGN(8);							\
+ 	VMLINUX_SYMBOL(__start___verbose) = .;                          \
+-	*(__verbose)                                                    \
++	KEEP(*(__verbose))                                              \
+ 	VMLINUX_SYMBOL(__stop___verbose) = .;				\
+ 	LIKELY_PROFILE()		       				\
+ 	BRANCH_PROFILE()						\
+-	TRACE_PRINTKS()
++	TRACE_PRINTKS()							\
++	*(.data.*)
+ 
+ /*
+  * Data section helpers
+@@ -235,39 +236,39 @@
+ 	/* PCI quirks */						\
+ 	.pci_fixup        : AT(ADDR(.pci_fixup) - LOAD_OFFSET) {	\
+ 		VMLINUX_SYMBOL(__start_pci_fixups_early) = .;		\
+-		*(.pci_fixup_early)					\
++		KEEP(*(.pci_fixup_early))				\
+ 		VMLINUX_SYMBOL(__end_pci_fixups_early) = .;		\
+ 		VMLINUX_SYMBOL(__start_pci_fixups_header) = .;		\
+-		*(.pci_fixup_header)					\
++		KEEP(*(.pci_fixup_header))				\
+ 		VMLINUX_SYMBOL(__end_pci_fixups_header) = .;		\
+ 		VMLINUX_SYMBOL(__start_pci_fixups_final) = .;		\
+-		*(.pci_fixup_final)					\
++		KEEP(*(.pci_fixup_final))				\
+ 		VMLINUX_SYMBOL(__end_pci_fixups_final) = .;		\
+ 		VMLINUX_SYMBOL(__start_pci_fixups_enable) = .;		\
+-		*(.pci_fixup_enable)					\
++		KEEP(*(.pci_fixup_enable))				\
+ 		VMLINUX_SYMBOL(__end_pci_fixups_enable) = .;		\
+ 		VMLINUX_SYMBOL(__start_pci_fixups_resume) = .;		\
+-		*(.pci_fixup_resume)					\
++		KEEP(*(.pci_fixup_resume))				\
+ 		VMLINUX_SYMBOL(__end_pci_fixups_resume) = .;		\
+ 		VMLINUX_SYMBOL(__start_pci_fixups_resume_early) = .;	\
+-		*(.pci_fixup_resume_early)				\
++		KEEP(*(.pci_fixup_resume_early))			\
+ 		VMLINUX_SYMBOL(__end_pci_fixups_resume_early) = .;	\
+ 		VMLINUX_SYMBOL(__start_pci_fixups_suspend) = .;		\
+-		*(.pci_fixup_suspend)					\
++		KEEP(*(.pci_fixup_suspend))				\
+ 		VMLINUX_SYMBOL(__end_pci_fixups_suspend) = .;		\
+ 	}								\
+ 									\
+ 	/* Built-in firmware blobs */					\
+ 	.builtin_fw        : AT(ADDR(.builtin_fw) - LOAD_OFFSET) {	\
+ 		VMLINUX_SYMBOL(__start_builtin_fw) = .;			\
+-		*(.builtin_fw)						\
++		KEEP(*(.builtin_fw))					\
+ 		VMLINUX_SYMBOL(__end_builtin_fw) = .;			\
+ 	}								\
+ 									\
+ 	/* RapidIO route ops */						\
+ 	.rio_ops        : AT(ADDR(.rio_ops) - LOAD_OFFSET) {		\
+ 		VMLINUX_SYMBOL(__start_rio_switch_ops) = .;		\
+-		*(.rio_switch_ops)					\
++		KEEP(*(.rio_switch_ops))				\
+ 		VMLINUX_SYMBOL(__end_rio_switch_ops) = .;		\
+ 	}								\
+ 									\
+@@ -276,49 +277,49 @@
+ 	/* Kernel symbol table: Normal symbols */			\
+ 	__ksymtab         : AT(ADDR(__ksymtab) - LOAD_OFFSET) {		\
+ 		VMLINUX_SYMBOL(__start___ksymtab) = .;			\
+-		*(SORT(___ksymtab+*))					\
++		KEEP(*(SORT(___ksymtab+*)))				\
+ 		VMLINUX_SYMBOL(__stop___ksymtab) = .;			\
+ 	}								\
+ 									\
+ 	/* Kernel symbol table: GPL-only symbols */			\
+ 	__ksymtab_gpl     : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) {	\
+ 		VMLINUX_SYMBOL(__start___ksymtab_gpl) = .;		\
+-		*(SORT(___ksymtab_gpl+*))				\
++		KEEP(*(SORT(___ksymtab_gpl+*)))				\
+ 		VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .;		\
+ 	}								\
+ 									\
+ 	/* Kernel symbol table: Normal unused symbols */		\
+ 	__ksymtab_unused  : AT(ADDR(__ksymtab_unused) - LOAD_OFFSET) {	\
+ 		VMLINUX_SYMBOL(__start___ksymtab_unused) = .;		\
+-		*(SORT(___ksymtab_unused+*))				\
++		KEEP(*(SORT(___ksymtab_unused+*)))			\
+ 		VMLINUX_SYMBOL(__stop___ksymtab_unused) = .;		\
+ 	}								\
+ 									\
+ 	/* Kernel symbol table: GPL-only unused symbols */		\
+ 	__ksymtab_unused_gpl : AT(ADDR(__ksymtab_unused_gpl) - LOAD_OFFSET) { \
+ 		VMLINUX_SYMBOL(__start___ksymtab_unused_gpl) = .;	\
+-		*(SORT(___ksymtab_unused_gpl+*))			\
++		KEEP(*(SORT(___ksymtab_unused_gpl+*)))			\
+ 		VMLINUX_SYMBOL(__stop___ksymtab_unused_gpl) = .;	\
+ 	}								\
+ 									\
+ 	/* Kernel symbol table: GPL-future-only symbols */		\
+ 	__ksymtab_gpl_future : AT(ADDR(__ksymtab_gpl_future) - LOAD_OFFSET) { \
+ 		VMLINUX_SYMBOL(__start___ksymtab_gpl_future) = .;	\
+-		*(SORT(___ksymtab_gpl_future+*))			\
++		KEEP(*(SORT(___ksymtab_gpl_future+*)))			\
+ 		VMLINUX_SYMBOL(__stop___ksymtab_gpl_future) = .;	\
+ 	}								\
+ 									\
+ 	/* Kernel symbol table: Normal symbols */			\
+ 	__kcrctab         : AT(ADDR(__kcrctab) - LOAD_OFFSET) {		\
+ 		VMLINUX_SYMBOL(__start___kcrctab) = .;			\
+-		*(SORT(___kcrctab+*))					\
++		KEEP(*(SORT(___kcrctab+*)))				\
+ 		VMLINUX_SYMBOL(__stop___kcrctab) = .;			\
+ 	}								\
+ 									\
+ 	/* Kernel symbol table: GPL-only symbols */			\
+ 	__kcrctab_gpl     : AT(ADDR(__kcrctab_gpl) - LOAD_OFFSET) {	\
+ 		VMLINUX_SYMBOL(__start___kcrctab_gpl) = .;		\
+-		*(SORT(___kcrctab_gpl+*))				\
++		KEEP(*(SORT(___kcrctab_gpl+*)))				\
+ 		VMLINUX_SYMBOL(__stop___kcrctab_gpl) = .;		\
+ 	}								\
+ 									\
+@@ -332,14 +333,14 @@
+ 	/* Kernel symbol table: GPL-only unused symbols */		\
+ 	__kcrctab_unused_gpl : AT(ADDR(__kcrctab_unused_gpl) - LOAD_OFFSET) { \
+ 		VMLINUX_SYMBOL(__start___kcrctab_unused_gpl) = .;	\
+-		*(SORT(___kcrctab_unused_gpl+*))			\
++		KEEP(*(SORT(___kcrctab_unused_gpl+*)))			\
+ 		VMLINUX_SYMBOL(__stop___kcrctab_unused_gpl) = .;	\
+ 	}								\
+ 									\
+ 	/* Kernel symbol table: GPL-future-only symbols */		\
+ 	__kcrctab_gpl_future : AT(ADDR(__kcrctab_gpl_future) - LOAD_OFFSET) { \
+ 		VMLINUX_SYMBOL(__start___kcrctab_gpl_future) = .;	\
+-		*(SORT(___kcrctab_gpl_future+*))			\
++		KEEP(*(SORT(___kcrctab_gpl_future+*)))			\
+ 		VMLINUX_SYMBOL(__stop___kcrctab_gpl_future) = .;	\
+ 	}								\
+ 									\
+@@ -362,14 +363,14 @@
+ 	/* Built-in module parameters. */				\
+ 	__param : AT(ADDR(__param) - LOAD_OFFSET) {			\
+ 		VMLINUX_SYMBOL(__start___param) = .;			\
+-		*(__param)						\
++		KEEP(*(__param))					\
+ 		VMLINUX_SYMBOL(__stop___param) = .;			\
+ 	}								\
+ 									\
+ 	/* Built-in module versions. */					\
+ 	__modver : AT(ADDR(__modver) - LOAD_OFFSET) {			\
+ 		VMLINUX_SYMBOL(__start___modver) = .;			\
+-		*(__modver)						\
++		KEEP(*(__modver))					\
+ 		VMLINUX_SYMBOL(__stop___modver) = .;			\
+ 		. = ALIGN((align));					\
+ 		VMLINUX_SYMBOL(__end_rodata) = .;			\
+@@ -429,7 +430,7 @@
+ #define ENTRY_TEXT							\
+ 		ALIGN_FUNCTION();					\
+ 		VMLINUX_SYMBOL(__entry_text_start) = .;			\
+-		*(.entry.text)						\
++		KEEP(*(.entry.text))					\
+ 		VMLINUX_SYMBOL(__entry_text_end) = .;
+ 
+ #ifdef CONFIG_FUNCTION_GRAPH_TRACER
+@@ -457,7 +458,7 @@
+ 	. = ALIGN(align);						\
+ 	__ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {		\
+ 		VMLINUX_SYMBOL(__start___ex_table) = .;			\
+-		*(__ex_table)						\
++		KEEP(*(__ex_table))						\
+ 		VMLINUX_SYMBOL(__stop___ex_table) = .;			\
+ 	}
+ 
+@@ -473,7 +474,7 @@
+ #ifdef CONFIG_CONSTRUCTORS
+ #define KERNEL_CTORS()	. = ALIGN(8);			   \
+ 			VMLINUX_SYMBOL(__ctors_start) = .; \
+-			*(.ctors)			   \
++			KEEP(*(.ctors))			   \
+ 			VMLINUX_SYMBOL(__ctors_end) = .;
+ #else
+ #define KERNEL_CTORS()
+@@ -526,7 +527,7 @@
+ #define SBSS(sbss_align)						\
+ 	. = ALIGN(sbss_align);						\
+ 	.sbss : AT(ADDR(.sbss) - LOAD_OFFSET) {				\
+-		*(.sbss)						\
++		*(.sbss .sbss.*)					\
+ 		*(.scommon)						\
+ 	}
+ 
+@@ -544,7 +545,7 @@
+ 		BSS_FIRST_SECTIONS					\
+ 		*(.bss..page_aligned)					\
+ 		*(.dynbss)						\
+-		*(.bss)							\
++		*(.bss .bss.*)						\
+ 		*(COMMON)						\
+ 	}
+ 
+@@ -593,7 +594,7 @@
+ 	. = ALIGN(8);							\
+ 	__bug_table : AT(ADDR(__bug_table) - LOAD_OFFSET) {		\
+ 		VMLINUX_SYMBOL(__start___bug_table) = .;		\
+-		*(__bug_table)						\
++		KEEP(*(__bug_table))					\
+ 		VMLINUX_SYMBOL(__stop___bug_table) = .;			\
+ 	}
+ #else
+@@ -605,7 +606,7 @@
+ 	. = ALIGN(4);							\
+ 	.tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) {		\
+ 		VMLINUX_SYMBOL(__tracedata_start) = .;			\
+-		*(.tracedata)						\
++		KEEP(*(.tracedata))					\
+ 		VMLINUX_SYMBOL(__tracedata_end) = .;			\
+ 	}
+ #else
+@@ -622,17 +623,17 @@
+ #define INIT_SETUP(initsetup_align)					\
+ 		. = ALIGN(initsetup_align);				\
+ 		VMLINUX_SYMBOL(__setup_start) = .;			\
+-		*(.init.setup)						\
++		KEEP(*(.init.setup))					\
+ 		VMLINUX_SYMBOL(__setup_end) = .;
+ 
+ #define INIT_CALLS_LEVEL(level)						\
+ 		VMLINUX_SYMBOL(__initcall##level##_start) = .;		\
+-		*(.initcall##level##.init)				\
+-		*(.initcall##level##s.init)				\
++		KEEP(*(.initcall##level##.init))			\
++		KEEP(*(.initcall##level##s.init))			\
+ 
+ #define INIT_CALLS							\
+ 		VMLINUX_SYMBOL(__initcall_start) = .;			\
+-		*(.initcallearly.init)					\
++		KEEP(*(.initcallearly.init))				\
+ 		INIT_CALLS_LEVEL(0)					\
+ 		INIT_CALLS_LEVEL(1)					\
+ 		INIT_CALLS_LEVEL(2)					\
+@@ -646,21 +647,21 @@
+ 
+ #define CON_INITCALL							\
+ 		VMLINUX_SYMBOL(__con_initcall_start) = .;		\
+-		*(.con_initcall.init)					\
++		KEEP(*(.con_initcall.init))				\
+ 		VMLINUX_SYMBOL(__con_initcall_end) = .;
+ 
+ #define SECURITY_INITCALL						\
+ 		VMLINUX_SYMBOL(__security_initcall_start) = .;		\
+-		*(.security_initcall.init)				\
++		KEEP(*(.security_initcall.init))			\
+ 		VMLINUX_SYMBOL(__security_initcall_end) = .;
+ 
+ #ifdef CONFIG_BLK_DEV_INITRD
+ #define INIT_RAM_FS							\
+ 	. = ALIGN(4);							\
+ 	VMLINUX_SYMBOL(__initramfs_start) = .;				\
+-	*(.init.ramfs)							\
++	KEEP(*(.init.ramfs))						\
+ 	. = ALIGN(8);							\
+-	*(.init.ramfs.info)
++	KEEP(*(.init.ramfs.info))
+ #else
+ #define INIT_RAM_FS
+ #endif

target/linux/generic/patches-3.7/221-module_exports.patch

@@ -1,29 +1,27 @@
 --- a/include/asm-generic/vmlinux.lds.h
 +++ b/include/asm-generic/vmlinux.lds.h
-@@ -52,6 +52,18 @@
+@@ -52,6 +52,16 @@
  #define LOAD_OFFSET 0
  #endif
  
-+#ifndef SYMTAB_KEEP_STR
++#ifndef SYMTAB_KEEP
-+#define SYMTAB_KEEP *(SORT(___ksymtab+*))
++#define SYMTAB_KEEP KEEP(*(SORT(___ksymtab+*)))
-+#define SYMTAB_KEEP_GPL *(SORT(___ksymtab_gpl+*))
++#define SYMTAB_KEEP_GPL KEEP(*(SORT(___ksymtab_gpl+*)))
-+#define SYMTAB_KEEP_STR *(__ksymtab_strings+*)
 +#endif
 +
 +#ifndef SYMTAB_DISCARD
 +#define SYMTAB_DISCARD
 +#define SYMTAB_DISCARD_GPL
-+#define SYMTAB_DISCARD_STR
 +#endif
 +
  #ifndef SYMBOL_PREFIX
  #define VMLINUX_SYMBOL(sym) sym
  #else
-@@ -276,14 +288,14 @@
+@@ -277,14 +287,14 @@
  	/* Kernel symbol table: Normal symbols */			\
  	__ksymtab         : AT(ADDR(__ksymtab) - LOAD_OFFSET) {		\
  		VMLINUX_SYMBOL(__start___ksymtab) = .;			\
--		*(SORT(___ksymtab+*))					\
+-		KEEP(*(SORT(___ksymtab+*)))				\
 +		SYMTAB_KEEP						\
  		VMLINUX_SYMBOL(__stop___ksymtab) = .;			\
  	}								\
@@ -31,30 +29,40 @@
  	/* Kernel symbol table: GPL-only symbols */			\
  	__ksymtab_gpl     : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) {	\
  		VMLINUX_SYMBOL(__start___ksymtab_gpl) = .;		\
--		*(SORT(___ksymtab_gpl+*))				\
+-		KEEP(*(SORT(___ksymtab_gpl+*)))				\
 +		SYMTAB_KEEP_GPL						\
  		VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .;		\
  	}								\
  									\
-@@ -345,7 +357,7 @@
+@@ -346,7 +356,7 @@
  									\
  	/* Kernel symbol table: strings */				\
          __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) {	\
 -		*(__ksymtab_strings)					\
-+		SYMTAB_KEEP_STR						\
++		*(__ksymtab_strings+*)					\
  	}								\
  									\
  	/* __*init sections */						\
-@@ -679,6 +691,9 @@
+@@ -680,6 +690,8 @@
  	EXIT_TEXT							\
  	EXIT_DATA							\
  	EXIT_CALL							\
 +	SYMTAB_DISCARD							\
 +	SYMTAB_DISCARD_GPL						\
-+	SYMTAB_DISCARD_STR						\
  	*(.discard)							\
  	*(.discard.*)							\
  	}
+--- a/scripts/Makefile.build
++++ b/scripts/Makefile.build
+@@ -348,7 +348,7 @@ targets += $(extra-y) $(MAKECMDGOALS) $(
+ # Linker scripts preprocessor (.lds.S -> .lds)
+ # ---------------------------------------------------------------------------
+ quiet_cmd_cpp_lds_S = LDS     $@
+-      cmd_cpp_lds_S = $(CPP) $(cpp_flags) -P -C -U$(ARCH) \
++      cmd_cpp_lds_S = $(CPP) $(EXTRA_LDSFLAGS) $(cpp_flags) -P -C -U$(ARCH) \
+ 	                     -D__ASSEMBLY__ -DLINKER_SCRIPT -o $@ $<
+ 
+ $(obj)/%.lds: $(src)/%.lds.S FORCE
 --- a/include/linux/export.h
 +++ b/include/linux/export.h
 @@ -45,12 +45,19 @@ extern struct module __this_module;
@@ -78,14 +86,3 @@
  	= MODULE_SYMBOL_PREFIX #sym;				\
  	static const struct kernel_symbol __ksymtab_##sym	\
  	__used							\
---- a/scripts/Makefile.build
-+++ b/scripts/Makefile.build
-@@ -348,7 +348,7 @@ targets += $(extra-y) $(MAKECMDGOALS) $(
- # Linker scripts preprocessor (.lds.S -> .lds)
- # ---------------------------------------------------------------------------
- quiet_cmd_cpp_lds_S = LDS     $@
--      cmd_cpp_lds_S = $(CPP) $(cpp_flags) -P -C -U$(ARCH) \
-+      cmd_cpp_lds_S = $(CPP) $(EXTRA_LDSFLAGS) $(cpp_flags) -P -C -U$(ARCH) \
- 	                     -D__ASSEMBLY__ -DLINKER_SCRIPT -o $@ $<
- 
- $(obj)/%.lds: $(src)/%.lds.S FORCE

target/linux/generic/patches-3.7/302-mips_no_branch_likely.patch

@@ -7,5 +7,5 @@
 -cflags-y			+= -G 0 -mno-abicalls -fno-pic -pipe
 +cflags-y			+= -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely
  cflags-y			+= -msoft-float
- LDFLAGS_vmlinux			+= -G 0 -static -n -nostdlib
+ LDFLAGS_vmlinux			+= -G 0 -static -n -nostdlib --gc-sections
  KBUILD_AFLAGS_MODULE		+= -mlong-calls

target/linux/generic/patches-3.7/305-mips_module_reloc.patch

@@ -3,7 +3,7 @@
 @@ -90,8 +90,13 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin
  cflags-y			+= -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely
  cflags-y			+= -msoft-float
- LDFLAGS_vmlinux			+= -G 0 -static -n -nostdlib
+ LDFLAGS_vmlinux			+= -G 0 -static -n -nostdlib --gc-sections
 +ifdef CONFIG_64BIT
  KBUILD_AFLAGS_MODULE		+= -mlong-calls
  KBUILD_CFLAGS_MODULE		+= -mlong-calls
@@ -12,7 +12,7 @@
 +KBUILD_CFLAGS_MODULE		+= -mno-long-calls
 +endif
  
- cflags-y += -ffreestanding
+ KBUILD_CFLAGS_KERNEL		+= -ffunction-sections -fdata-sections
  
 --- a/arch/mips/include/asm/module.h
 +++ b/arch/mips/include/asm/module.h

target/linux/generic/patches-3.7/610-netfilter_match_bypass_default_checks.patch

@@ -76,11 +76,10 @@
  
  	counters = alloc_counters(table);
  	if (IS_ERR(counters))
-@@ -960,6 +989,14 @@ copy_entries_to_user(unsigned int total_
+@@ -961,6 +990,14 @@ copy_entries_to_user(unsigned int total_
- 			ret = -EFAULT;
  			goto free_counters;
  		}
-+
+ 
 +		flags = e->ip.flags & IPT_F_MASK;
 +		if (copy_to_user(userptr + off
 +				 + offsetof(struct ipt_entry, ip.flags),
@@ -88,6 +87,7 @@
 +			ret = -EFAULT;
 +			goto free_counters;
 +		}
- 
++
  		for (i = sizeof(struct ipt_entry);
  		     i < e->target_offset;
+ 		     i += m->u.match_size) {

target/linux/generic/patches-3.8/100-overlayfs.patch

@@ -279,8 +279,8 @@
  source "fs/fuse/Kconfig"
 +source "fs/overlayfs/Kconfig"
  
- config CUSE
+ config GENERIC_ACL
- 	tristate "Character device in Userspace support"
+ 	bool
 --- a/fs/Makefile
 +++ b/fs/Makefile
 @@ -107,6 +107,7 @@ obj-$(CONFIG_QNX6FS_FS)		+= qnx6/

target/linux/generic/patches-3.8/102-ehci_hcd_ignore_oc.patch

@@ -1,6 +1,6 @@
 --- a/drivers/usb/host/ehci-hcd.c
 +++ b/drivers/usb/host/ehci-hcd.c
-@@ -634,7 +634,7 @@ static int ehci_run (struct usb_hcd *hcd
+@@ -630,7 +630,7 @@ static int ehci_run (struct usb_hcd *hcd
  		"USB %x.%x started, EHCI %x.%02x%s\n",
  		((ehci->sbrn & 0xf0)>>4), (ehci->sbrn & 0x0f),
  		temp >> 8, temp & 0xff,
@@ -31,7 +31,7 @@
  			/*
 --- a/drivers/usb/host/ehci.h
 +++ b/drivers/usb/host/ehci.h
-@@ -196,6 +196,7 @@ struct ehci_hcd {			/* one per controlle
+@@ -200,6 +200,7 @@ struct ehci_hcd {			/* one per controlle
  	unsigned		use_dummy_qh:1;	/* AMD Frame List table quirk*/
  	unsigned		has_synopsys_hc_bug:1; /* Synopsys HC */
  	unsigned		frame_index_bug:1; /* MosChip (AKA NetMos) */

target/linux/generic/patches-3.8/220-gc_sections.patch

@@ -0,0 +1,372 @@
+--- a/arch/mips/Makefile
++++ b/arch/mips/Makefile
+@@ -89,10 +89,12 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin
+ #
+ cflags-y			+= -G 0 -mno-abicalls -fno-pic -pipe
+ cflags-y			+= -msoft-float
+-LDFLAGS_vmlinux			+= -G 0 -static -n -nostdlib
++LDFLAGS_vmlinux			+= -G 0 -static -n -nostdlib --gc-sections
+ KBUILD_AFLAGS_MODULE		+= -mlong-calls
+ KBUILD_CFLAGS_MODULE		+= -mlong-calls
+ 
++KBUILD_CFLAGS_KERNEL		+= -ffunction-sections -fdata-sections
++
+ cflags-y += -ffreestanding
+ 
+ #
+--- a/arch/mips/kernel/vmlinux.lds.S
++++ b/arch/mips/kernel/vmlinux.lds.S
+@@ -67,7 +67,7 @@ SECTIONS
+ 	/* Exception table for data bus errors */
+ 	__dbe_table : {
+ 		__start___dbe_table = .;
+-		*(__dbe_table)
++		KEEP(*(__dbe_table))
+ 		__stop___dbe_table = .;
+ 	}
+ 
+@@ -112,7 +112,7 @@ SECTIONS
+ 	. = ALIGN(4);
+ 	.mips.machines.init : AT(ADDR(.mips.machines.init) - LOAD_OFFSET) {
+ 		__mips_machines_start = .;
+-		*(.mips.machines.init)
++		KEEP(*(.mips.machines.init))
+ 		__mips_machines_end = .;
+ 	}
+ 
+--- a/include/asm-generic/vmlinux.lds.h
++++ b/include/asm-generic/vmlinux.lds.h
+@@ -101,7 +101,7 @@
+ #ifdef CONFIG_FTRACE_MCOUNT_RECORD
+ #define MCOUNT_REC()	. = ALIGN(8);				\
+ 			VMLINUX_SYMBOL(__start_mcount_loc) = .; \
+-			*(__mcount_loc)				\
++			KEEP(*(__mcount_loc))			\
+ 			VMLINUX_SYMBOL(__stop_mcount_loc) = .;
+ #else
+ #define MCOUNT_REC()
+@@ -109,7 +109,7 @@
+ 
+ #ifdef CONFIG_TRACE_BRANCH_PROFILING
+ #define LIKELY_PROFILE()	VMLINUX_SYMBOL(__start_annotated_branch_profile) = .; \
+-				*(_ftrace_annotated_branch)			      \
++				KEEP(*(_ftrace_annotated_branch))		      \
+ 				VMLINUX_SYMBOL(__stop_annotated_branch_profile) = .;
+ #else
+ #define LIKELY_PROFILE()
+@@ -117,7 +117,7 @@
+ 
+ #ifdef CONFIG_PROFILE_ALL_BRANCHES
+ #define BRANCH_PROFILE()	VMLINUX_SYMBOL(__start_branch_profile) = .;   \
+-				*(_ftrace_branch)			      \
++				KEEP(*(_ftrace_branch))			      \
+ 				VMLINUX_SYMBOL(__stop_branch_profile) = .;
+ #else
+ #define BRANCH_PROFILE()
+@@ -126,7 +126,7 @@
+ #ifdef CONFIG_EVENT_TRACING
+ #define FTRACE_EVENTS()	. = ALIGN(8);					\
+ 			VMLINUX_SYMBOL(__start_ftrace_events) = .;	\
+-			*(_ftrace_events)				\
++			KEEP(*(_ftrace_events))				\
+ 			VMLINUX_SYMBOL(__stop_ftrace_events) = .;
+ #else
+ #define FTRACE_EVENTS()
+@@ -134,7 +134,7 @@
+ 
+ #ifdef CONFIG_TRACING
+ #define TRACE_PRINTKS() VMLINUX_SYMBOL(__start___trace_bprintk_fmt) = .;      \
+-			 *(__trace_printk_fmt) /* Trace_printk fmt' pointer */ \
++			 KEEP(*(__trace_printk_fmt)) /* Trace_printk fmt' pointer */ \
+ 			 VMLINUX_SYMBOL(__stop___trace_bprintk_fmt) = .;
+ #else
+ #define TRACE_PRINTKS()
+@@ -143,7 +143,7 @@
+ #ifdef CONFIG_FTRACE_SYSCALLS
+ #define TRACE_SYSCALLS() . = ALIGN(8);					\
+ 			 VMLINUX_SYMBOL(__start_syscalls_metadata) = .;	\
+-			 *(__syscalls_metadata)				\
++			 KEEP(*(__syscalls_metadata))			\
+ 			 VMLINUX_SYMBOL(__stop_syscalls_metadata) = .;
+ #else
+ #define TRACE_SYSCALLS()
+@@ -153,7 +153,7 @@
+ #define KERNEL_DTB()							\
+ 	STRUCT_ALIGN();							\
+ 	VMLINUX_SYMBOL(__dtb_start) = .;				\
+-	*(.dtb.init.rodata)						\
++	KEEP(*(.dtb.init.rodata))					\
+ 	VMLINUX_SYMBOL(__dtb_end) = .;
+ 
+ /* .data section */
+@@ -173,15 +173,16 @@
+ 	/* implement dynamic printk debug */				\
+ 	. = ALIGN(8);                                                   \
+ 	VMLINUX_SYMBOL(__start___jump_table) = .;                       \
+-	*(__jump_table)                                                 \
++	KEEP(*(__jump_table))                                           \
+ 	VMLINUX_SYMBOL(__stop___jump_table) = .;                        \
+ 	. = ALIGN(8);							\
+ 	VMLINUX_SYMBOL(__start___verbose) = .;                          \
+-	*(__verbose)                                                    \
++	KEEP(*(__verbose))                                              \
+ 	VMLINUX_SYMBOL(__stop___verbose) = .;				\
+ 	LIKELY_PROFILE()		       				\
+ 	BRANCH_PROFILE()						\
+-	TRACE_PRINTKS()
++	TRACE_PRINTKS()							\
++	*(.data.*)
+ 
+ /*
+  * Data section helpers
+@@ -235,39 +236,39 @@
+ 	/* PCI quirks */						\
+ 	.pci_fixup        : AT(ADDR(.pci_fixup) - LOAD_OFFSET) {	\
+ 		VMLINUX_SYMBOL(__start_pci_fixups_early) = .;		\
+-		*(.pci_fixup_early)					\
++		KEEP(*(.pci_fixup_early))				\
+ 		VMLINUX_SYMBOL(__end_pci_fixups_early) = .;		\
+ 		VMLINUX_SYMBOL(__start_pci_fixups_header) = .;		\
+-		*(.pci_fixup_header)					\
++		KEEP(*(.pci_fixup_header))				\
+ 		VMLINUX_SYMBOL(__end_pci_fixups_header) = .;		\
+ 		VMLINUX_SYMBOL(__start_pci_fixups_final) = .;		\
+-		*(.pci_fixup_final)					\
++		KEEP(*(.pci_fixup_final))				\
+ 		VMLINUX_SYMBOL(__end_pci_fixups_final) = .;		\
+ 		VMLINUX_SYMBOL(__start_pci_fixups_enable) = .;		\
+-		*(.pci_fixup_enable)					\
++		KEEP(*(.pci_fixup_enable))				\
+ 		VMLINUX_SYMBOL(__end_pci_fixups_enable) = .;		\
+ 		VMLINUX_SYMBOL(__start_pci_fixups_resume) = .;		\
+-		*(.pci_fixup_resume)					\
++		KEEP(*(.pci_fixup_resume))				\
+ 		VMLINUX_SYMBOL(__end_pci_fixups_resume) = .;		\
+ 		VMLINUX_SYMBOL(__start_pci_fixups_resume_early) = .;	\
+-		*(.pci_fixup_resume_early)				\
++		KEEP(*(.pci_fixup_resume_early))			\
+ 		VMLINUX_SYMBOL(__end_pci_fixups_resume_early) = .;	\
+ 		VMLINUX_SYMBOL(__start_pci_fixups_suspend) = .;		\
+-		*(.pci_fixup_suspend)					\
++		KEEP(*(.pci_fixup_suspend))				\
+ 		VMLINUX_SYMBOL(__end_pci_fixups_suspend) = .;		\
+ 	}								\
+ 									\
+ 	/* Built-in firmware blobs */					\
+ 	.builtin_fw        : AT(ADDR(.builtin_fw) - LOAD_OFFSET) {	\
+ 		VMLINUX_SYMBOL(__start_builtin_fw) = .;			\
+-		*(.builtin_fw)						\
++		KEEP(*(.builtin_fw))					\
+ 		VMLINUX_SYMBOL(__end_builtin_fw) = .;			\
+ 	}								\
+ 									\
+ 	/* RapidIO route ops */						\
+ 	.rio_ops        : AT(ADDR(.rio_ops) - LOAD_OFFSET) {		\
+ 		VMLINUX_SYMBOL(__start_rio_switch_ops) = .;		\
+-		*(.rio_switch_ops)					\
++		KEEP(*(.rio_switch_ops))				\
+ 		VMLINUX_SYMBOL(__end_rio_switch_ops) = .;		\
+ 	}								\
+ 									\
+@@ -276,49 +277,49 @@
+ 	/* Kernel symbol table: Normal symbols */			\
+ 	__ksymtab         : AT(ADDR(__ksymtab) - LOAD_OFFSET) {		\
+ 		VMLINUX_SYMBOL(__start___ksymtab) = .;			\
+-		*(SORT(___ksymtab+*))					\
++		KEEP(*(SORT(___ksymtab+*)))				\
+ 		VMLINUX_SYMBOL(__stop___ksymtab) = .;			\
+ 	}								\
+ 									\
+ 	/* Kernel symbol table: GPL-only symbols */			\
+ 	__ksymtab_gpl     : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) {	\
+ 		VMLINUX_SYMBOL(__start___ksymtab_gpl) = .;		\
+-		*(SORT(___ksymtab_gpl+*))				\
++		KEEP(*(SORT(___ksymtab_gpl+*)))				\
+ 		VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .;		\
+ 	}								\
+ 									\
+ 	/* Kernel symbol table: Normal unused symbols */		\
+ 	__ksymtab_unused  : AT(ADDR(__ksymtab_unused) - LOAD_OFFSET) {	\
+ 		VMLINUX_SYMBOL(__start___ksymtab_unused) = .;		\
+-		*(SORT(___ksymtab_unused+*))				\
++		KEEP(*(SORT(___ksymtab_unused+*)))			\
+ 		VMLINUX_SYMBOL(__stop___ksymtab_unused) = .;		\
+ 	}								\
+ 									\
+ 	/* Kernel symbol table: GPL-only unused symbols */		\
+ 	__ksymtab_unused_gpl : AT(ADDR(__ksymtab_unused_gpl) - LOAD_OFFSET) { \
+ 		VMLINUX_SYMBOL(__start___ksymtab_unused_gpl) = .;	\
+-		*(SORT(___ksymtab_unused_gpl+*))			\
++		KEEP(*(SORT(___ksymtab_unused_gpl+*)))			\
+ 		VMLINUX_SYMBOL(__stop___ksymtab_unused_gpl) = .;	\
+ 	}								\
+ 									\
+ 	/* Kernel symbol table: GPL-future-only symbols */		\
+ 	__ksymtab_gpl_future : AT(ADDR(__ksymtab_gpl_future) - LOAD_OFFSET) { \
+ 		VMLINUX_SYMBOL(__start___ksymtab_gpl_future) = .;	\
+-		*(SORT(___ksymtab_gpl_future+*))			\
++		KEEP(*(SORT(___ksymtab_gpl_future+*)))			\
+ 		VMLINUX_SYMBOL(__stop___ksymtab_gpl_future) = .;	\
+ 	}								\
+ 									\
+ 	/* Kernel symbol table: Normal symbols */			\
+ 	__kcrctab         : AT(ADDR(__kcrctab) - LOAD_OFFSET) {		\
+ 		VMLINUX_SYMBOL(__start___kcrctab) = .;			\
+-		*(SORT(___kcrctab+*))					\
++		KEEP(*(SORT(___kcrctab+*)))				\
+ 		VMLINUX_SYMBOL(__stop___kcrctab) = .;			\
+ 	}								\
+ 									\
+ 	/* Kernel symbol table: GPL-only symbols */			\
+ 	__kcrctab_gpl     : AT(ADDR(__kcrctab_gpl) - LOAD_OFFSET) {	\
+ 		VMLINUX_SYMBOL(__start___kcrctab_gpl) = .;		\
+-		*(SORT(___kcrctab_gpl+*))				\
++		KEEP(*(SORT(___kcrctab_gpl+*)))				\
+ 		VMLINUX_SYMBOL(__stop___kcrctab_gpl) = .;		\
+ 	}								\
+ 									\
+@@ -332,14 +333,14 @@
+ 	/* Kernel symbol table: GPL-only unused symbols */		\
+ 	__kcrctab_unused_gpl : AT(ADDR(__kcrctab_unused_gpl) - LOAD_OFFSET) { \
+ 		VMLINUX_SYMBOL(__start___kcrctab_unused_gpl) = .;	\
+-		*(SORT(___kcrctab_unused_gpl+*))			\
++		KEEP(*(SORT(___kcrctab_unused_gpl+*)))			\
+ 		VMLINUX_SYMBOL(__stop___kcrctab_unused_gpl) = .;	\
+ 	}								\
+ 									\
+ 	/* Kernel symbol table: GPL-future-only symbols */		\
+ 	__kcrctab_gpl_future : AT(ADDR(__kcrctab_gpl_future) - LOAD_OFFSET) { \
+ 		VMLINUX_SYMBOL(__start___kcrctab_gpl_future) = .;	\
+-		*(SORT(___kcrctab_gpl_future+*))			\
++		KEEP(*(SORT(___kcrctab_gpl_future+*)))			\
+ 		VMLINUX_SYMBOL(__stop___kcrctab_gpl_future) = .;	\
+ 	}								\
+ 									\
+@@ -362,14 +363,14 @@
+ 	/* Built-in module parameters. */				\
+ 	__param : AT(ADDR(__param) - LOAD_OFFSET) {			\
+ 		VMLINUX_SYMBOL(__start___param) = .;			\
+-		*(__param)						\
++		KEEP(*(__param))					\
+ 		VMLINUX_SYMBOL(__stop___param) = .;			\
+ 	}								\
+ 									\
+ 	/* Built-in module versions. */					\
+ 	__modver : AT(ADDR(__modver) - LOAD_OFFSET) {			\
+ 		VMLINUX_SYMBOL(__start___modver) = .;			\
+-		*(__modver)						\
++		KEEP(*(__modver))					\
+ 		VMLINUX_SYMBOL(__stop___modver) = .;			\
+ 		. = ALIGN((align));					\
+ 		VMLINUX_SYMBOL(__end_rodata) = .;			\
+@@ -429,7 +430,7 @@
+ #define ENTRY_TEXT							\
+ 		ALIGN_FUNCTION();					\
+ 		VMLINUX_SYMBOL(__entry_text_start) = .;			\
+-		*(.entry.text)						\
++		KEEP(*(.entry.text))					\
+ 		VMLINUX_SYMBOL(__entry_text_end) = .;
+ 
+ #ifdef CONFIG_FUNCTION_GRAPH_TRACER
+@@ -457,7 +458,7 @@
+ 	. = ALIGN(align);						\
+ 	__ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {		\
+ 		VMLINUX_SYMBOL(__start___ex_table) = .;			\
+-		*(__ex_table)						\
++		KEEP(*(__ex_table))						\
+ 		VMLINUX_SYMBOL(__stop___ex_table) = .;			\
+ 	}
+ 
+@@ -473,7 +474,7 @@
+ #ifdef CONFIG_CONSTRUCTORS
+ #define KERNEL_CTORS()	. = ALIGN(8);			   \
+ 			VMLINUX_SYMBOL(__ctors_start) = .; \
+-			*(.ctors)			   \
++			KEEP(*(.ctors))			   \
+ 			VMLINUX_SYMBOL(__ctors_end) = .;
+ #else
+ #define KERNEL_CTORS()
+@@ -526,7 +527,7 @@
+ #define SBSS(sbss_align)						\
+ 	. = ALIGN(sbss_align);						\
+ 	.sbss : AT(ADDR(.sbss) - LOAD_OFFSET) {				\
+-		*(.sbss)						\
++		*(.sbss .sbss.*)					\
+ 		*(.scommon)						\
+ 	}
+ 
+@@ -544,7 +545,7 @@
+ 		BSS_FIRST_SECTIONS					\
+ 		*(.bss..page_aligned)					\
+ 		*(.dynbss)						\
+-		*(.bss)							\
++		*(.bss .bss.*)						\
+ 		*(COMMON)						\
+ 	}
+ 
+@@ -593,7 +594,7 @@
+ 	. = ALIGN(8);							\
+ 	__bug_table : AT(ADDR(__bug_table) - LOAD_OFFSET) {		\
+ 		VMLINUX_SYMBOL(__start___bug_table) = .;		\
+-		*(__bug_table)						\
++		KEEP(*(__bug_table))					\
+ 		VMLINUX_SYMBOL(__stop___bug_table) = .;			\
+ 	}
+ #else
+@@ -605,7 +606,7 @@
+ 	. = ALIGN(4);							\
+ 	.tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) {		\
+ 		VMLINUX_SYMBOL(__tracedata_start) = .;			\
+-		*(.tracedata)						\
++		KEEP(*(.tracedata))					\
+ 		VMLINUX_SYMBOL(__tracedata_end) = .;			\
+ 	}
+ #else
+@@ -622,17 +623,17 @@
+ #define INIT_SETUP(initsetup_align)					\
+ 		. = ALIGN(initsetup_align);				\
+ 		VMLINUX_SYMBOL(__setup_start) = .;			\
+-		*(.init.setup)						\
++		KEEP(*(.init.setup))					\
+ 		VMLINUX_SYMBOL(__setup_end) = .;
+ 
+ #define INIT_CALLS_LEVEL(level)						\
+ 		VMLINUX_SYMBOL(__initcall##level##_start) = .;		\
+-		*(.initcall##level##.init)				\
+-		*(.initcall##level##s.init)				\
++		KEEP(*(.initcall##level##.init))			\
++		KEEP(*(.initcall##level##s.init))			\
+ 
+ #define INIT_CALLS							\
+ 		VMLINUX_SYMBOL(__initcall_start) = .;			\
+-		*(.initcallearly.init)					\
++		KEEP(*(.initcallearly.init))				\
+ 		INIT_CALLS_LEVEL(0)					\
+ 		INIT_CALLS_LEVEL(1)					\
+ 		INIT_CALLS_LEVEL(2)					\
+@@ -646,21 +647,21 @@
+ 
+ #define CON_INITCALL							\
+ 		VMLINUX_SYMBOL(__con_initcall_start) = .;		\
+-		*(.con_initcall.init)					\
++		KEEP(*(.con_initcall.init))				\
+ 		VMLINUX_SYMBOL(__con_initcall_end) = .;
+ 
+ #define SECURITY_INITCALL						\
+ 		VMLINUX_SYMBOL(__security_initcall_start) = .;		\
+-		*(.security_initcall.init)				\
++		KEEP(*(.security_initcall.init))			\
+ 		VMLINUX_SYMBOL(__security_initcall_end) = .;
+ 
+ #ifdef CONFIG_BLK_DEV_INITRD
+ #define INIT_RAM_FS							\
+ 	. = ALIGN(4);							\
+ 	VMLINUX_SYMBOL(__initramfs_start) = .;				\
+-	*(.init.ramfs)							\
++	KEEP(*(.init.ramfs))						\
+ 	. = ALIGN(8);							\
+-	*(.init.ramfs.info)
++	KEEP(*(.init.ramfs.info))
+ #else
+ #define INIT_RAM_FS
+ #endif

target/linux/generic/patches-3.8/221-module_exports.patch

@@ -1,29 +1,27 @@
 --- a/include/asm-generic/vmlinux.lds.h
 +++ b/include/asm-generic/vmlinux.lds.h
-@@ -52,6 +52,18 @@
+@@ -52,6 +52,16 @@
  #define LOAD_OFFSET 0
  #endif
  
-+#ifndef SYMTAB_KEEP_STR
++#ifndef SYMTAB_KEEP
-+#define SYMTAB_KEEP *(SORT(___ksymtab+*))
++#define SYMTAB_KEEP KEEP(*(SORT(___ksymtab+*)))
-+#define SYMTAB_KEEP_GPL *(SORT(___ksymtab_gpl+*))
++#define SYMTAB_KEEP_GPL KEEP(*(SORT(___ksymtab_gpl+*)))
-+#define SYMTAB_KEEP_STR *(__ksymtab_strings+*)
 +#endif
 +
 +#ifndef SYMTAB_DISCARD
 +#define SYMTAB_DISCARD
 +#define SYMTAB_DISCARD_GPL
-+#define SYMTAB_DISCARD_STR
 +#endif
 +
  #ifndef SYMBOL_PREFIX
  #define VMLINUX_SYMBOL(sym) sym
  #else
-@@ -276,14 +288,14 @@
+@@ -277,14 +287,14 @@
  	/* Kernel symbol table: Normal symbols */			\
  	__ksymtab         : AT(ADDR(__ksymtab) - LOAD_OFFSET) {		\
  		VMLINUX_SYMBOL(__start___ksymtab) = .;			\
--		*(SORT(___ksymtab+*))					\
+-		KEEP(*(SORT(___ksymtab+*)))				\
 +		SYMTAB_KEEP						\
  		VMLINUX_SYMBOL(__stop___ksymtab) = .;			\
  	}								\
@@ -31,30 +29,40 @@
  	/* Kernel symbol table: GPL-only symbols */			\
  	__ksymtab_gpl     : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) {	\
  		VMLINUX_SYMBOL(__start___ksymtab_gpl) = .;		\
--		*(SORT(___ksymtab_gpl+*))				\
+-		KEEP(*(SORT(___ksymtab_gpl+*)))				\
 +		SYMTAB_KEEP_GPL						\
  		VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .;		\
  	}								\
  									\
-@@ -345,7 +357,7 @@
+@@ -346,7 +356,7 @@
  									\
  	/* Kernel symbol table: strings */				\
          __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) {	\
 -		*(__ksymtab_strings)					\
-+		SYMTAB_KEEP_STR						\
++		*(__ksymtab_strings+*)					\
  	}								\
  									\
  	/* __*init sections */						\
-@@ -679,6 +691,9 @@
+@@ -680,6 +690,8 @@
  	EXIT_TEXT							\
  	EXIT_DATA							\
  	EXIT_CALL							\
 +	SYMTAB_DISCARD							\
 +	SYMTAB_DISCARD_GPL						\
-+	SYMTAB_DISCARD_STR						\
  	*(.discard)							\
  	*(.discard.*)							\
  	}
+--- a/scripts/Makefile.build
++++ b/scripts/Makefile.build
+@@ -348,7 +348,7 @@ targets += $(extra-y) $(MAKECMDGOALS) $(
+ # Linker scripts preprocessor (.lds.S -> .lds)
+ # ---------------------------------------------------------------------------
+ quiet_cmd_cpp_lds_S = LDS     $@
+-      cmd_cpp_lds_S = $(CPP) $(cpp_flags) -P -C -U$(ARCH) \
++      cmd_cpp_lds_S = $(CPP) $(EXTRA_LDSFLAGS) $(cpp_flags) -P -C -U$(ARCH) \
+ 	                     -D__ASSEMBLY__ -DLINKER_SCRIPT -o $@ $<
+ 
+ $(obj)/%.lds: $(src)/%.lds.S FORCE
 --- a/include/linux/export.h
 +++ b/include/linux/export.h
 @@ -45,12 +45,19 @@ extern struct module __this_module;
@@ -78,14 +86,3 @@
  	= MODULE_SYMBOL_PREFIX #sym;				\
  	static const struct kernel_symbol __ksymtab_##sym	\
  	__used							\
---- a/scripts/Makefile.build
-+++ b/scripts/Makefile.build
-@@ -348,7 +348,7 @@ targets += $(extra-y) $(MAKECMDGOALS) $(
- # Linker scripts preprocessor (.lds.S -> .lds)
- # ---------------------------------------------------------------------------
- quiet_cmd_cpp_lds_S = LDS     $@
--      cmd_cpp_lds_S = $(CPP) $(cpp_flags) -P -C -U$(ARCH) \
-+      cmd_cpp_lds_S = $(CPP) $(EXTRA_LDSFLAGS) $(cpp_flags) -P -C -U$(ARCH) \
- 	                     -D__ASSEMBLY__ -DLINKER_SCRIPT -o $@ $<
- 
- $(obj)/%.lds: $(src)/%.lds.S FORCE

target/linux/generic/patches-3.8/302-mips_no_branch_likely.patch

@@ -7,5 +7,5 @@
 -cflags-y			+= -G 0 -mno-abicalls -fno-pic -pipe
 +cflags-y			+= -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely
  cflags-y			+= -msoft-float
- LDFLAGS_vmlinux			+= -G 0 -static -n -nostdlib
+ LDFLAGS_vmlinux			+= -G 0 -static -n -nostdlib --gc-sections
  KBUILD_AFLAGS_MODULE		+= -mlong-calls

target/linux/generic/patches-3.8/305-mips_module_reloc.patch

@@ -3,7 +3,7 @@
 @@ -90,8 +90,13 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin
  cflags-y			+= -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely
  cflags-y			+= -msoft-float
- LDFLAGS_vmlinux			+= -G 0 -static -n -nostdlib
+ LDFLAGS_vmlinux			+= -G 0 -static -n -nostdlib --gc-sections
 +ifdef CONFIG_64BIT
  KBUILD_AFLAGS_MODULE		+= -mlong-calls
  KBUILD_CFLAGS_MODULE		+= -mlong-calls
@@ -12,7 +12,7 @@
 +KBUILD_CFLAGS_MODULE		+= -mno-long-calls
 +endif
  
- cflags-y += -ffreestanding
+ KBUILD_CFLAGS_KERNEL		+= -ffunction-sections -fdata-sections
  
 --- a/arch/mips/include/asm/module.h
 +++ b/arch/mips/include/asm/module.h

target/linux/generic/patches-3.8/610-netfilter_match_bypass_default_checks.patch

@@ -76,11 +76,10 @@
  
  	counters = alloc_counters(table);
  	if (IS_ERR(counters))
-@@ -960,6 +989,14 @@ copy_entries_to_user(unsigned int total_
+@@ -961,6 +990,14 @@ copy_entries_to_user(unsigned int total_
- 			ret = -EFAULT;
  			goto free_counters;
  		}
-+
+ 
 +		flags = e->ip.flags & IPT_F_MASK;
 +		if (copy_to_user(userptr + off
 +				 + offsetof(struct ipt_entry, ip.flags),
@@ -88,6 +87,7 @@
 +			ret = -EFAULT;
 +			goto free_counters;
 +		}
- 
++
  		for (i = sizeof(struct ipt_entry);
  		     i < e->target_offset;
+ 		     i += m->u.match_size) {

target/linux/generic/patches-3.8/920-unable_to_open_console.patch

@@ -1,6 +1,6 @@
 --- a/init/main.c
 +++ b/init/main.c
-@@ -878,7 +878,7 @@ static void __init kernel_init_freeable(
+@@ -878,7 +878,7 @@ static noinline void __init kernel_init_
  
  	/* Open the /dev/console on the rootfs, this should never fail */
  	if (sys_open((const char __user *) "/dev/console", O_RDWR, 0) < 0)

target/linux/generic/patches-3.8/950-vm_exports.patch

@@ -52,7 +52,7 @@
   * When we die, we re-parent all our children, and try to:
 --- a/kernel/sched/core.c
 +++ b/kernel/sched/core.c
-@@ -3633,6 +3633,7 @@ int can_nice(const struct task_struct *p
+@@ -3634,6 +3634,7 @@ int can_nice(const struct task_struct *p
  	return (nice_rlim <= task_rlimit(p, RLIMIT_NICE) ||
  		capable(CAP_SYS_NICE));
  }