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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-10-14 22:41:27 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-10-14 22:41:27 -0700
commitc362495586e8a3a6487a318fcd82eaf15ffe2142 (patch)
tree86f7b195d36ba198f24f86be327f21a8d24ec248 /include/linux/init.h
parentb70936d9ffbf0f45f4fa13a03122f015f13ecdb0 (diff)
parentddffeb8c4d0331609ef2581d84de4d763607bd37 (diff)
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Merge 3.7-rc1 into tty-linus
This syncs up the tty-linus branch to the latest in Linus's tree to get all of the UAPI stuff needed for the next set of patches to merge. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/init.h')
-rw-r--r--include/linux/init.h27
1 files changed, 19 insertions, 8 deletions
diff --git a/include/linux/init.h b/include/linux/init.h
index 5e664f6..e59041e 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -43,11 +43,22 @@
discard it in modules) */
#define __init __section(.init.text) __cold notrace
#define __initdata __section(.init.data)
-#define __initconst __section(.init.rodata)
+#define __initconst __constsection(.init.rodata)
#define __exitdata __section(.exit.data)
#define __exit_call __used __section(.exitcall.exit)
/*
+ * Some architecture have tool chains which do not handle rodata attributes
+ * correctly. For those disable special sections for const, so that other
+ * architectures can annotate correctly.
+ */
+#ifdef CONFIG_BROKEN_RODATA
+#define __constsection(x)
+#else
+#define __constsection(x) __section(x)
+#endif
+
+/*
* modpost check for section mismatches during the kernel build.
* A section mismatch happens when there are references from a
* code or data section to an init section (both code or data).
@@ -66,7 +77,7 @@
*/
#define __ref __section(.ref.text) noinline
#define __refdata __section(.ref.data)
-#define __refconst __section(.ref.rodata)
+#define __refconst __constsection(.ref.rodata)
/* compatibility defines */
#define __init_refok __ref
@@ -85,26 +96,26 @@
/* Used for HOTPLUG */
#define __devinit __section(.devinit.text) __cold notrace
#define __devinitdata __section(.devinit.data)
-#define __devinitconst __section(.devinit.rodata)
+#define __devinitconst __constsection(.devinit.rodata)
#define __devexit __section(.devexit.text) __exitused __cold notrace
#define __devexitdata __section(.devexit.data)
-#define __devexitconst __section(.devexit.rodata)
+#define __devexitconst __constsection(.devexit.rodata)
/* Used for HOTPLUG_CPU */
#define __cpuinit __section(.cpuinit.text) __cold notrace
#define __cpuinitdata __section(.cpuinit.data)
-#define __cpuinitconst __section(.cpuinit.rodata)
+#define __cpuinitconst __constsection(.cpuinit.rodata)
#define __cpuexit __section(.cpuexit.text) __exitused __cold notrace
#define __cpuexitdata __section(.cpuexit.data)
-#define __cpuexitconst __section(.cpuexit.rodata)
+#define __cpuexitconst __constsection(.cpuexit.rodata)
/* Used for MEMORY_HOTPLUG */
#define __meminit __section(.meminit.text) __cold notrace
#define __meminitdata __section(.meminit.data)
-#define __meminitconst __section(.meminit.rodata)
+#define __meminitconst __constsection(.meminit.rodata)
#define __memexit __section(.memexit.text) __exitused __cold notrace
#define __memexitdata __section(.memexit.data)
-#define __memexitconst __section(.memexit.rodata)
+#define __memexitconst __constsection(.memexit.rodata)
/* For assembly routines */
#define __HEAD .section ".head.text","ax"