kernel: remove linux 3.10 support
[openwrt/svn-archive/archive.git] / target / linux / generic / patches-3.10 / 220-gc_sections.patch
diff --git a/target/linux/generic/patches-3.10/220-gc_sections.patch b/target/linux/generic/patches-3.10/220-gc_sections.patch
deleted file mode 100644 (file)
index 22f85ba..0000000
+++ /dev/null
@@ -1,545 +0,0 @@
-From: Felix Fietkau <nbd@openwrt.org>
-
-use -ffunction-sections, -fdata-sections and --gc-sections --sort-section=name
-
-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@openwrt.org>
-Signed-off-by: Jonas Gorski <jogo@openwrt.org>
-Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
----
-
---- a/arch/mips/Makefile
-+++ b/arch/mips/Makefile
-@@ -89,10 +89,14 @@ 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 --sort-section=name
- KBUILD_AFLAGS_MODULE          += -mlong-calls
- KBUILD_CFLAGS_MODULE          += -mlong-calls
-+ifndef CONFIG_FUNCTION_TRACER
-+KBUILD_CFLAGS_KERNEL          += -ffunction-sections -fdata-sections
-+endif
-+
- 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
-@@ -95,7 +95,7 @@
- #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()
-@@ -103,7 +103,7 @@
- #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()
-@@ -111,7 +111,7 @@
- #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()
-@@ -120,7 +120,7 @@
- #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()
-@@ -128,7 +128,7 @@
- #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()
-@@ -137,7 +137,7 @@
- #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()
-@@ -146,8 +146,8 @@
- #ifdef CONFIG_CLKSRC_OF
- #define CLKSRC_OF_TABLES() . = ALIGN(8);                              \
-                          VMLINUX_SYMBOL(__clksrc_of_table) = .;       \
--                         *(__clksrc_of_table)                         \
--                         *(__clksrc_of_table_end)
-+                         KEEP(*(__clksrc_of_table))                   \
-+                         KEEP(*(__clksrc_of_table_end))
- #else
- #define CLKSRC_OF_TABLES()
- #endif
-@@ -156,8 +156,8 @@
- #define IRQCHIP_OF_MATCH_TABLE()                                      \
-       . = ALIGN(8);                                                   \
-       VMLINUX_SYMBOL(__irqchip_begin) = .;                            \
--      *(__irqchip_of_table)                                           \
--      *(__irqchip_of_end)
-+      KEEP(*(__irqchip_of_table))                                     \
-+      KEEP(*(__irqchip_of_end))
- #else
- #define IRQCHIP_OF_MATCH_TABLE()
- #endif
-@@ -165,8 +165,8 @@
- #ifdef CONFIG_COMMON_CLK
- #define CLK_OF_TABLES() . = ALIGN(8);                         \
-                       VMLINUX_SYMBOL(__clk_of_table) = .;     \
--                      *(__clk_of_table)                       \
--                      *(__clk_of_table_end)
-+                      KEEP(*(__clk_of_table))                 \
-+                      KEEP(*(__clk_of_table_end))
- #else
- #define CLK_OF_TABLES()
- #endif
-@@ -174,7 +174,7 @@
- #define KERNEL_DTB()                                                  \
-       STRUCT_ALIGN();                                                 \
-       VMLINUX_SYMBOL(__dtb_start) = .;                                \
--      *(.dtb.init.rodata)                                             \
-+      KEEP(*(.dtb.init.rodata))                                       \
-       VMLINUX_SYMBOL(__dtb_end) = .;
- /* .data section */
-@@ -194,15 +194,16 @@
-       /* 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.[a-zA-Z_]*)
- /*
-  * Data section helpers
-@@ -256,39 +257,39 @@
-       /* 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) = .;               \
-       }                                                               \
-                                                                       \
-@@ -297,49 +298,49 @@
-       /* 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) = .;               \
-       }                                                               \
-                                                                       \
-@@ -353,14 +354,14 @@
-       /* 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) = .;        \
-       }                                                               \
-                                                                       \
-@@ -383,14 +384,14 @@
-       /* 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) = .;                       \
-@@ -450,7 +451,7 @@
- #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
-@@ -478,7 +479,7 @@
-       . = 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) = .;                  \
-       }
-@@ -494,7 +495,7 @@
- #ifdef CONFIG_CONSTRUCTORS
- #define KERNEL_CTORS()        . = ALIGN(8);                      \
-                       VMLINUX_SYMBOL(__ctors_start) = .; \
--                      *(.ctors)                          \
-+                      KEEP(*(.ctors))                    \
-                       VMLINUX_SYMBOL(__ctors_end) = .;
- #else
- #define KERNEL_CTORS()
-@@ -550,7 +551,7 @@
- #define SBSS(sbss_align)                                              \
-       . = ALIGN(sbss_align);                                          \
-       .sbss : AT(ADDR(.sbss) - LOAD_OFFSET) {                         \
--              *(.sbss)                                                \
-+              *(.sbss .sbss.*)                                        \
-               *(.scommon)                                             \
-       }
-@@ -568,7 +569,7 @@
-               BSS_FIRST_SECTIONS                                      \
-               *(.bss..page_aligned)                                   \
-               *(.dynbss)                                              \
--              *(.bss)                                                 \
-+              *(.bss .bss.*)                                          \
-               *(COMMON)                                               \
-       }
-@@ -617,7 +618,7 @@
-       . = 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
-@@ -629,7 +630,7 @@
-       . = ALIGN(4);                                                   \
-       .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) {               \
-               VMLINUX_SYMBOL(__tracedata_start) = .;                  \
--              *(.tracedata)                                           \
-+              KEEP(*(.tracedata))                                     \
-               VMLINUX_SYMBOL(__tracedata_end) = .;                    \
-       }
- #else
-@@ -646,17 +647,17 @@
- #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)                                     \
-@@ -670,21 +671,21 @@
- #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
---- a/arch/arm/Makefile
-+++ b/arch/arm/Makefile
-@@ -17,11 +17,16 @@ LDFLAGS_vmlinux    :=-p --no-undefined -X
- ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
- LDFLAGS_vmlinux       += --be8
- endif
-+LDFLAGS_vmlinux += --gc-sections --sort-section=name
- OBJCOPYFLAGS  :=-O binary -R .comment -S
- GZFLAGS               :=-9
- #KBUILD_CFLAGS        +=-pipe
-+ifndef CONFIG_FUNCTION_TRACER
-+KBUILD_CFLAGS_KERNEL += -ffunction-sections -fdata-sections
-+endif
-+
- # Never generate .eh_frame
- KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm)
---- a/arch/arm/kernel/vmlinux.lds.S
-+++ b/arch/arm/kernel/vmlinux.lds.S
-@@ -12,13 +12,13 @@
- #define PROC_INFO                                                     \
-       . = ALIGN(4);                                                   \
-       VMLINUX_SYMBOL(__proc_info_begin) = .;                          \
--      *(.proc.info.init)                                              \
-+      KEEP(*(.proc.info.init))                                        \
-       VMLINUX_SYMBOL(__proc_info_end) = .;
- #define IDMAP_TEXT                                                    \
-       ALIGN_FUNCTION();                                               \
-       VMLINUX_SYMBOL(__idmap_text_start) = .;                         \
--      *(.idmap.text)                                                  \
-+      KEEP(*(.idmap.text))                                            \
-       VMLINUX_SYMBOL(__idmap_text_end) = .;                           \
-       . = ALIGN(32);                                                  \
-       VMLINUX_SYMBOL(__hyp_idmap_text_start) = .;                     \
-@@ -97,7 +97,7 @@ SECTIONS
-       .text : {                       /* Real text segment            */
-               _stext = .;             /* Text and read-only data      */
-                       __exception_text_start = .;
--                      *(.exception.text)
-+                      KEEP(*(.exception.text))
-                       __exception_text_end = .;
-                       IRQENTRY_TEXT
-                       TEXT_TEXT
-@@ -122,7 +122,7 @@ SECTIONS
-       __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
-               __start___ex_table = .;
- #ifdef CONFIG_MMU
--              *(__ex_table)
-+              KEEP(*(__ex_table))
- #endif
-               __stop___ex_table = .;
-       }
-@@ -134,12 +134,12 @@ 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
-@@ -158,14 +158,14 @@ SECTIONS
-        */
-       __vectors_start = .;
-       .vectors 0 : AT(__vectors_start) {
--              *(.vectors)
-+              KEEP(*(.vectors))
-       }
-       . = __vectors_start + SIZEOF(.vectors);
-       __vectors_end = .;
-       __stubs_start = .;
-       .stubs 0x1000 : AT(__stubs_start) {
--              *(.stubs)
-+              KEEP(*(.stubs))
-       }
-       . = __stubs_start + SIZEOF(.stubs);
-       __stubs_end = .;
-@@ -179,24 +179,24 @@ 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
-@@ -123,6 +123,7 @@ 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))
- ccflags-y := -fpic -mno-single-pic-base -fno-builtin -I$(obj)
- asflags-y := -DZIMAGE