1 files changed, 78 insertions, 63 deletions

diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index e5287f21bad..4e66f62b8d4 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -23,8 +23,10 @@
 
 #if defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK)
 #define ARM_EXIT_KEEP(x)        x
+#define ARM_EXIT_DISCARD(x)
 #else
 #define ARM_EXIT_KEEP(x)
+#define ARM_EXIT_DISCARD(x)     x
 #endif
 
 OUTPUT_ARCH(arm)
@@ -38,58 +40,12 @@ jiffies = jiffies_64 + 4;
 
 SECTIONS
 {
-#ifdef CONFIG_XIP_KERNEL
-        . = XIP_VIRT_ADDR(CONFIG_XIP_PHYS_ADDR);
-#else
-        . = PAGE_OFFSET + TEXT_OFFSET;
-#endif
-
-        .init : {                       /* Init code and data           */
-                _stext = .;
-                _sinittext = .;
-                        HEAD_TEXT
-                        INIT_TEXT
-                        ARM_EXIT_KEEP(EXIT_TEXT)
-                _einittext = .;
-                ARM_CPU_DISCARD(PROC_INFO)
-                __arch_info_begin = .;
-                        *(.arch.info.init)
-                __arch_info_end = .;
-                __tagtable_begin = .;
-                        *(.taglist.init)
-                __tagtable_end = .;
-#ifdef CONFIG_SMP_ON_UP
-                __smpalt_begin = .;
-                        *(.alt.smp.init)
-                __smpalt_end = .;
-#endif
-
-                __pv_table_begin = .;
-                        *(.pv_table)
-                __pv_table_end = .;
-
-                INIT_SETUP(16)
-
-                INIT_CALLS
-                CON_INITCALL
-                SECURITY_INITCALL
-                INIT_RAM_FS
-
-#ifndef CONFIG_XIP_KERNEL
-                __init_begin = _stext;
-                INIT_DATA
-                ARM_EXIT_KEEP(EXIT_DATA)
-#endif
-        }
-
-        PERCPU_SECTION(32)
-
-#ifndef CONFIG_XIP_KERNEL
-        . = ALIGN(PAGE_SIZE);
-        __init_end = .;
-#endif
-
         /*
+         * XXX: The linker does not define how output sections are
+         * assigned to input sections when there are multiple statements
+         * matching the same input section name.  There is no documented
+         * order of matching.
+         *
          * unwind exit sections must be discarded before the rest of the
          * unwind sections get included.
          */
@@ -98,6 +54,9 @@ SECTIONS
                 *(.ARM.extab.exit.text)
                 ARM_CPU_DISCARD(*(.ARM.exidx.cpuexit.text))
                 ARM_CPU_DISCARD(*(.ARM.extab.cpuexit.text))
+                ARM_EXIT_DISCARD(EXIT_TEXT)
+                ARM_EXIT_DISCARD(EXIT_DATA)
+                EXIT_CALL
 #ifndef CONFIG_HOTPLUG
                 *(.ARM.exidx.devexit.text)
                 *(.ARM.extab.devexit.text)
@@ -106,10 +65,24 @@ SECTIONS
                 *(.fixup)
                 *(__ex_table)
 #endif
+#ifndef CONFIG_SMP_ON_UP
+                *(.alt.smp.init)
+#endif
+                *(.discard)
+                *(.discard.*)
         }
 
+#ifdef CONFIG_XIP_KERNEL
+        . = XIP_VIRT_ADDR(CONFIG_XIP_PHYS_ADDR);
+#else
+        . = PAGE_OFFSET + TEXT_OFFSET;
+#endif
+        .head.text : {
+                _text = .;
+                HEAD_TEXT
+        }
         .text : {                       /* Real text segment            */
-                _text = .;              /* Text and read-only data      */
+                _stext = .;             /* Text and read-only data      */
                         __exception_text_start = .;
                         *(.exception.text)
                         __exception_text_end = .;
@@ -122,8 +95,6 @@ SECTIONS
                         *(.fixup)
 #endif
                         *(.gnu.warning)
-                        *(.rodata)
-                        *(.rodata.*)
                         *(.glue_7)
                         *(.glue_7t)
                 . = ALIGN(4);
@@ -152,10 +123,63 @@ SECTIONS
 
         _etext = .;                     /* End of text and rodata section */
 
+#ifndef CONFIG_XIP_KERNEL
+        . = ALIGN(PAGE_SIZE);
+        __init_begin = .;
+#endif
+
+        INIT_TEXT_SECTION(8)
+        .exit.text : {
+                ARM_EXIT_KEEP(EXIT_TEXT)
+        }
+        .init.proc.info : {
+                ARM_CPU_DISCARD(PROC_INFO)
+        }
+        .init.arch.info : {
+                __arch_info_begin = .;
+                *(.arch.info.init)
+                __arch_info_end = .;
+        }
+        .init.tagtable : {
+                __tagtable_begin = .;
+                *(.taglist.init)
+                __tagtable_end = .;
+        }
+#ifdef CONFIG_SMP_ON_UP
+        .init.smpalt : {
+                __smpalt_begin = .;
+                *(.alt.smp.init)
+                __smpalt_end = .;
+        }
+#endif
+        .init.pv_table : {
+                __pv_table_begin = .;
+                *(.pv_table)
+                __pv_table_end = .;
+        }
+        .init.data : {
+#ifndef CONFIG_XIP_KERNEL
+                INIT_DATA
+#endif
+                INIT_SETUP(16)
+                INIT_CALLS
+                CON_INITCALL
+                SECURITY_INITCALL
+                INIT_RAM_FS
+        }
+#ifndef CONFIG_XIP_KERNEL
+        .exit.data : {
+                ARM_EXIT_KEEP(EXIT_DATA)
+        }
+#endif
+
+        PERCPU_SECTION(32)
+
 #ifdef CONFIG_XIP_KERNEL
         __data_loc = ALIGN(4);          /* location in binary */
         . = PAGE_OFFSET + TEXT_OFFSET;
 #else
+        __init_end = .;
         . = ALIGN(THREAD_SIZE);
         __data_loc = .;
 #endif
@@ -267,15 +291,6 @@ SECTIONS
 
         STABS_DEBUG
         .comment 0 : { *(.comment) }
-
-        /* Default discards */
-        DISCARDS
-
-#ifndef CONFIG_SMP_ON_UP
-        /DISCARD/ : {
-                *(.alt.smp.init)
-        }
-#endif
 }
 
 /*