kernel: split patches folder up into backport, pending and hack folders

* properly format/comment all patches
* merge debloat patches
* merge Kconfig patches
* merge swconfig patches
* merge hotplug patches
* drop 200-fix_localversion.patch - upstream
* drop 222-arm_zimage_none.patch - unused
* drop 252-mv_cesa_depends.patch - no longer required
* drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused
* drop 661-fq_codel_keep_dropped_stats.patch - outdated
* drop 702-phy_add_aneg_done_function.patch - upstream
* drop 840-rtc7301.patch - unused
* drop 841-rtc_pt7c4338.patch - upstream
* drop 921-use_preinit_as_init.patch - unused
* drop spio-gpio-old and gpio-mmc - unused

Signed-off-by: John Crispin <john@phrozen.org>

1 files changed, 0 insertions, 412 deletions

diff --git a/target/linux/generic/patches-4.9/220-gc_sections.patch b/target/linux/generic/patches-4.9/220-gc_sections.patch
deleted file mode 100644
index 96622f5ef4..0000000000
--- a/target/linux/generic/patches-4.9/220-gc_sections.patch
+++ /dev/null
@@ -1,412 +0,0 @@
-From: Felix Fietkau <nbd@nbd.name>
-
-use -ffunction-sections, -fdata-sections and --gc-sections
-
-In combination with kernel symbol export stripping this significantly reduces
-the kernel image size. Used on both ARM and MIPS architectures.
-
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
-Signed-off-by: Jonas Gorski <jogo@openwrt.org>
-Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
----
-
---- a/arch/mips/kernel/vmlinux.lds.S
-+++ b/arch/mips/kernel/vmlinux.lds.S
-@@ -71,7 +71,7 @@ SECTIONS
- 	/* Exception table for data bus errors */
- 	__dbe_table : {
- 		__start___dbe_table = .;
--		*(__dbe_table)
-+		KEEP(*(__dbe_table))
- 		__stop___dbe_table = .;
- 	}
- 
-@@ -121,7 +121,7 @@ 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
-@@ -114,7 +114,7 @@
- #ifdef CONFIG_KPROBES
- #define KPROBE_BLACKLIST()	. = ALIGN(8);				      \
- 				VMLINUX_SYMBOL(__start_kprobe_blacklist) = .; \
--				*(_kprobe_blacklist)			      \
-+				KEEP(*(_kprobe_blacklist))		      \
- 				VMLINUX_SYMBOL(__stop_kprobe_blacklist) = .;
- #else
- #define KPROBE_BLACKLIST()
-@@ -123,10 +123,10 @@
- #ifdef CONFIG_EVENT_TRACING
- #define FTRACE_EVENTS()	. = ALIGN(8);					\
- 			VMLINUX_SYMBOL(__start_ftrace_events) = .;	\
--			*(_ftrace_events)				\
-+			KEEP(*(_ftrace_events))				\
- 			VMLINUX_SYMBOL(__stop_ftrace_events) = .;	\
- 			VMLINUX_SYMBOL(__start_ftrace_enum_maps) = .;	\
--			*(_ftrace_enum_map)				\
-+			KEEP(*(_ftrace_enum_map))			\
- 			VMLINUX_SYMBOL(__stop_ftrace_enum_maps) = .;
- #else
- #define FTRACE_EVENTS()
-@@ -147,7 +147,7 @@
- #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()
-@@ -156,7 +156,7 @@
- #ifdef CONFIG_SERIAL_EARLYCON
- #define EARLYCON_TABLE() STRUCT_ALIGN();			\
- 			 VMLINUX_SYMBOL(__earlycon_table) = .;	\
--			 *(__earlycon_table)			\
-+			 KEEP(*(__earlycon_table))		\
- 			 VMLINUX_SYMBOL(__earlycon_table_end) = .;
- #else
- #define EARLYCON_TABLE()
-@@ -169,8 +169,8 @@
- #define _OF_TABLE_1(name)						\
- 	. = ALIGN(8);							\
- 	VMLINUX_SYMBOL(__##name##_of_table) = .;			\
--	*(__##name##_of_table)						\
--	*(__##name##_of_table_end)
-+	KEEP(*(__##name##_of_table))					\
-+	KEEP(*(__##name##_of_table_end))
- 
- #define CLKSRC_OF_TABLES()	OF_TABLE(CONFIG_CLKSRC_OF, clksrc)
- #define IRQCHIP_OF_MATCH_TABLE() OF_TABLE(CONFIG_IRQCHIP, irqchip)
-@@ -193,7 +193,7 @@
- #define KERNEL_DTB()							\
- 	STRUCT_ALIGN();							\
- 	VMLINUX_SYMBOL(__dtb_start) = .;				\
--	*(.dtb.init.rodata)						\
-+	KEEP(*(.dtb.init.rodata))					\
- 	VMLINUX_SYMBOL(__dtb_end) = .;
- 
- /*
-@@ -214,16 +214,17 @@
- 	/* 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()							\
--	TRACEPOINT_STR()
-+	TRACEPOINT_STR()                                                \
-+	*(.data.[a-zA-Z_]*)
- 
- /*
-  * Data section helpers
-@@ -291,35 +292,35 @@
- 	/* 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) = .;		\
- 		VMLINUX_SYMBOL(__start_pci_fixups_suspend_late) = .;	\
--		*(.pci_fixup_suspend_late)				\
-+		KEEP(*(.pci_fixup_suspend_late))			\
- 		VMLINUX_SYMBOL(__end_pci_fixups_suspend_late) = .;	\
- 	}								\
- 									\
- 	/* 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) = .;			\
- 	}								\
- 									\
-@@ -397,7 +398,7 @@
- 									\
- 	/* Kernel symbol table: strings */				\
-         __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) {	\
--		KEEP(*(__ksymtab_strings))				\
-+		*(__ksymtab_strings)					\
- 	}								\
- 									\
- 	/* __*init sections */						\
-@@ -410,14 +411,14 @@
- 	/* 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) = .;			\
-@@ -482,7 +483,7 @@
- #define ENTRY_TEXT							\
- 		ALIGN_FUNCTION();					\
- 		VMLINUX_SYMBOL(__entry_text_start) = .;			\
--		*(.entry.text)						\
-+		KEEP(*(.entry.text))					\
- 		VMLINUX_SYMBOL(__entry_text_end) = .;
- 
- #if defined(CONFIG_FUNCTION_GRAPH_TRACER) || defined(CONFIG_KASAN)
-@@ -520,7 +521,7 @@
- 	. = 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) = .;			\
- 	}
- 
-@@ -536,9 +537,9 @@
- #ifdef CONFIG_CONSTRUCTORS
- #define KERNEL_CTORS()	. = ALIGN(8);			   \
- 			VMLINUX_SYMBOL(__ctors_start) = .; \
--			*(.ctors)			   \
-+			KEEP(*(.ctors))			   \
- 			*(SORT(.init_array.*))		   \
--			*(.init_array)			   \
-+			KEEP(*(.init_array))		   \
- 			VMLINUX_SYMBOL(__ctors_end) = .;
- #else
- #define KERNEL_CTORS()
-@@ -595,7 +596,7 @@
- #define SBSS(sbss_align)						\
- 	. = ALIGN(sbss_align);						\
- 	.sbss : AT(ADDR(.sbss) - LOAD_OFFSET) {				\
--		*(.sbss)						\
-+		*(.sbss .sbss.*)					\
- 		*(.scommon)						\
- 	}
- 
-@@ -662,7 +663,7 @@
- 	. = 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
-@@ -674,7 +675,7 @@
- 	. = ALIGN(4);							\
- 	.tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) {		\
- 		VMLINUX_SYMBOL(__tracedata_start) = .;			\
--		*(.tracedata)						\
-+		KEEP(*(.tracedata))					\
- 		VMLINUX_SYMBOL(__tracedata_end) = .;			\
- 	}
- #else
-@@ -691,7 +692,7 @@
- #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)						\
---- a/arch/arm/kernel/vmlinux.lds.S
-+++ b/arch/arm/kernel/vmlinux.lds.S
-@@ -17,7 +17,7 @@
- #define PROC_INFO							\
- 	. = ALIGN(4);							\
- 	VMLINUX_SYMBOL(__proc_info_begin) = .;				\
--	*(.proc.info.init)						\
-+	KEEP(*(.proc.info.init))					\
- 	VMLINUX_SYMBOL(__proc_info_end) = .;
- 
- #define HYPERVISOR_TEXT							\
-@@ -28,11 +28,11 @@
- #define IDMAP_TEXT							\
- 	ALIGN_FUNCTION();						\
- 	VMLINUX_SYMBOL(__idmap_text_start) = .;				\
--	*(.idmap.text)							\
-+	KEEP(*(.idmap.text))						\
- 	VMLINUX_SYMBOL(__idmap_text_end) = .;				\
- 	. = ALIGN(PAGE_SIZE);						\
- 	VMLINUX_SYMBOL(__hyp_idmap_text_start) = .;			\
--	*(.hyp.idmap.text)						\
-+	KEEP(*(.hyp.idmap.text))					\
- 	VMLINUX_SYMBOL(__hyp_idmap_text_end) = .;
- 
- #ifdef CONFIG_HOTPLUG_CPU
-@@ -105,7 +105,7 @@ SECTIONS
- 		_stext = .;		/* Text and read-only data	*/
- 			IDMAP_TEXT
- 			__exception_text_start = .;
--			*(.exception.text)
-+			KEEP(*(.exception.text))
- 			__exception_text_end = .;
- 			IRQENTRY_TEXT
- 			SOFTIRQENTRY_TEXT
-@@ -134,7 +134,7 @@ SECTIONS
- 	__ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
- 		__start___ex_table = .;
- #ifdef CONFIG_MMU
--		*(__ex_table)
-+		KEEP(*(__ex_table))
- #endif
- 		__stop___ex_table = .;
- 	}
-@@ -146,12 +146,12 @@ SECTIONS
- 	. = ALIGN(8);
- 	.ARM.unwind_idx : {
- 		__start_unwind_idx = .;
--		*(.ARM.exidx*)
-+		KEEP(*(.ARM.exidx*))
- 		__stop_unwind_idx = .;
- 	}
- 	.ARM.unwind_tab : {
- 		__start_unwind_tab = .;
--		*(.ARM.extab*)
-+		KEEP(*(.ARM.extab*))
- 		__stop_unwind_tab = .;
- 	}
- #endif
-@@ -171,14 +171,14 @@ SECTIONS
- 	 */
- 	__vectors_start = .;
- 	.vectors 0xffff0000 : AT(__vectors_start) {
--		*(.vectors)
-+		KEEP(*(.vectors))
- 	}
- 	. = __vectors_start + SIZEOF(.vectors);
- 	__vectors_end = .;
- 
- 	__stubs_start = .;
- 	.stubs ADDR(.vectors) + 0x1000 : AT(__stubs_start) {
--		*(.stubs)
-+		KEEP(*(.stubs))
- 	}
- 	. = __stubs_start + SIZEOF(.stubs);
- 	__stubs_end = .;
-@@ -194,24 +194,24 @@ SECTIONS
- 	}
- 	.init.arch.info : {
- 		__arch_info_begin = .;
--		*(.arch.info.init)
-+		KEEP(*(.arch.info.init))
- 		__arch_info_end = .;
- 	}
- 	.init.tagtable : {
- 		__tagtable_begin = .;
--		*(.taglist.init)
-+		KEEP(*(.taglist.init))
- 		__tagtable_end = .;
- 	}
- #ifdef CONFIG_SMP_ON_UP
- 	.init.smpalt : {
- 		__smpalt_begin = .;
--		*(.alt.smp.init)
-+		KEEP(*(.alt.smp.init))
- 		__smpalt_end = .;
- 	}
- #endif
- 	.init.pv_table : {
- 		__pv_table_begin = .;
--		*(.pv_table)
-+		KEEP(*(.pv_table))
- 		__pv_table_end = .;
- 	}
- 	.init.data : {
---- a/arch/arm/boot/compressed/Makefile
-+++ b/arch/arm/boot/compressed/Makefile
-@@ -102,6 +102,7 @@ ifeq ($(CONFIG_FUNCTION_TRACER),y)
- ORIG_CFLAGS := $(KBUILD_CFLAGS)
- KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
- endif
-+KBUILD_CFLAGS_KERNEL := $(patsubst -f%-sections,,$(KBUILD_CFLAGS_KERNEL))
- 
- # -fstack-protector-strong triggers protection checks in this code,
- # but it is being used too early to link to meaningful stack_chk logic.
---- a/arch/arm/Kconfig
-+++ b/arch/arm/Kconfig
-@@ -81,6 +81,7 @@ config ARM
- 	select HAVE_UID16
- 	select HAVE_VIRT_CPU_ACCOUNTING_GEN
- 	select IRQ_FORCED_THREADING
-+	select LD_DEAD_CODE_DATA_ELIMINATION
- 	select MODULES_USE_ELF_REL
- 	select NO_BOOTMEM
- 	select OF_EARLY_FLATTREE if OF
---- a/arch/mips/Kconfig
-+++ b/arch/mips/Kconfig
-@@ -55,6 +55,7 @@ config MIPS
- 	select CLONE_BACKWARDS
- 	select HAVE_DEBUG_STACKOVERFLOW
- 	select HAVE_CC_STACKPROTECTOR
-+	select LD_DEAD_CODE_DATA_ELIMINATION
- 	select CPU_PM if CPU_IDLE
- 	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
- 	select ARCH_BINFMT_ELF_STATE
---- a/Makefile
-+++ b/Makefile
-@@ -409,6 +409,11 @@ KBUILD_AFLAGS_MODULE  := -DMODULE
- KBUILD_CFLAGS_MODULE  := -DMODULE
- KBUILD_LDFLAGS_MODULE = -T $(srctree)/scripts/module-common.lds $(if $(CONFIG_PROFILING),,-s)
- 
-+ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION
-+KBUILD_CFLAGS_KERNEL	+= $(call cc-option,-ffunction-sections,)
-+KBUILD_CFLAGS_KERNEL	+= $(call cc-option,-fdata-sections,)
-+endif
-+
- # Read KERNELRELEASE from include/config/kernel.release (if it exists)
- KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null)
- KERNELVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
-@@ -633,11 +638,6 @@ KBUILD_CFLAGS	+= $(call cc-disable-warni
- KBUILD_CFLAGS	+= $(call cc-disable-warning, format-overflow)
- KBUILD_CFLAGS	+= $(call cc-disable-warning, int-in-bool-context)
- 
--ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION
--KBUILD_CFLAGS	+= $(call cc-option,-ffunction-sections,)
--KBUILD_CFLAGS	+= $(call cc-option,-fdata-sections,)
--endif
--
- ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
- KBUILD_CFLAGS	+= -Os $(call cc-disable-warning,maybe-uninitialized,) $(EXTRA_OPTIMIZATION)
- else