Merge branch 'fixes-2.6.39' into for-2.6.40

[android-x86/kernel.git] / include / asm-generic / vmlinux.lds.h

diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index f301cea..ebdaafa 100644 (file)
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -688,6 +688,28 @@
        }
 
 /**
+ * PERCPU_INPUT - the percpu input sections
+ * @cacheline: cacheline size
+ *
+ * The core percpu section names and core symbols which do not rely
+ * directly upon load addresses.
+ *
+ * @cacheline is used to align subsections to avoid false cacheline
+ * sharing between subsections for different purposes.
+ */
+#define PERCPU_INPUT(cacheline)                                                \
+       VMLINUX_SYMBOL(__per_cpu_start) = .;                            \
+       *(.data..percpu..first)                                         \
+       . = ALIGN(PAGE_SIZE);                                           \
+       *(.data..percpu..page_aligned)                                  \
+       . = ALIGN(cacheline);                                           \
+       *(.data..percpu..readmostly)                                    \
+       . = ALIGN(cacheline);                                           \
+       *(.data..percpu)                                                \
+       *(.data..percpu..shared_aligned)                                \
+       VMLINUX_SYMBOL(__per_cpu_end) = .;
+
+/**
  * PERCPU_VADDR - define output section for percpu area
  * @cacheline: cacheline size
  * @vaddr: explicit base address (optional)
@@ -715,16 +737,7 @@
        VMLINUX_SYMBOL(__per_cpu_load) = .;                             \
        .data..percpu vaddr : AT(VMLINUX_SYMBOL(__per_cpu_load)         \
                                - LOAD_OFFSET) {                        \
-               VMLINUX_SYMBOL(__per_cpu_start) = .;                    \
-               *(.data..percpu..first)                                 \
-               . = ALIGN(PAGE_SIZE);                                   \
-               *(.data..percpu..page_aligned)                          \
-               . = ALIGN(cacheline);                                   \
-               *(.data..percpu..readmostly)                            \
-               . = ALIGN(cacheline);                                   \
-               *(.data..percpu)                                        \
-               *(.data..percpu..shared_aligned)                        \
-               VMLINUX_SYMBOL(__per_cpu_end) = .;                      \
+               PERCPU_INPUT(cacheline)                                 \
        } phdr                                                          \
        . = VMLINUX_SYMBOL(__per_cpu_load) + SIZEOF(.data..percpu);
 
@@ -744,16 +757,7 @@
        . = ALIGN(PAGE_SIZE);                                           \
        .data..percpu   : AT(ADDR(.data..percpu) - LOAD_OFFSET) {       \
                VMLINUX_SYMBOL(__per_cpu_load) = .;                     \
-               VMLINUX_SYMBOL(__per_cpu_start) = .;                    \
-               *(.data..percpu..first)                                 \
-               . = ALIGN(PAGE_SIZE);                                   \
-               *(.data..percpu..page_aligned)                          \
-               . = ALIGN(cacheline);                                   \
-               *(.data..percpu..readmostly)                            \
-               . = ALIGN(cacheline);                                   \
-               *(.data..percpu)                                        \
-               *(.data..percpu..shared_aligned)                        \
-               VMLINUX_SYMBOL(__per_cpu_end) = .;                      \
+               PERCPU_INPUT(cacheline)                                 \
        }