This is a note to let you know that I've just added the patch titled
sh: add EXPORT_SYMBOL(min_low_pfn) and EXPORT_SYMBOL(max_low_pfn) to sh_ksyms_32.c
to the 3.12-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
sh-add-export_symbol-min_low_pfn-and-export_symbol-max_low_pfn-to-sh_ksyms_32.c.patch
and it can be found in the queue-3.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From ad70b029d2c678386384bd72c7fa2705c449b518 Mon Sep 17 00:00:00 2001
From: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@xxxxxxxxxxx>
Date: Thu, 2 Jan 2014 12:58:53 -0800
Subject: sh: add EXPORT_SYMBOL(min_low_pfn) and EXPORT_SYMBOL(max_low_pfn) to sh_ksyms_32.c
From: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@xxxxxxxxxxx>
commit ad70b029d2c678386384bd72c7fa2705c449b518 upstream.
Min_low_pfn and max_low_pfn were used in pfn_valid macro if defined
CONFIG_FLATMEM. When the functions that use the pfn_valid is used in
driver module, max_low_pfn and min_low_pfn is to undefined, and fail to
build.
ERROR: "min_low_pfn" [drivers/block/aoe/aoe.ko] undefined!
ERROR: "max_low_pfn" [drivers/block/aoe/aoe.ko] undefined!
make[2]: *** [__modpost] Error 1
make[1]: *** [modules] Error 2
This patch fix this problem.
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@xxxxxxxxxxx>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxx>
Cc: Paul Mundt <lethal@xxxxxxxxxxxx>
Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/sh/kernel/sh_ksyms_32.c | 5 +++++
1 file changed, 5 insertions(+)
--- a/arch/sh/kernel/sh_ksyms_32.c
+++ b/arch/sh/kernel/sh_ksyms_32.c
@@ -20,6 +20,11 @@ EXPORT_SYMBOL(csum_partial_copy_generic)
EXPORT_SYMBOL(copy_page);
EXPORT_SYMBOL(__clear_user);
EXPORT_SYMBOL(empty_zero_page);
+#ifdef CONFIG_FLATMEM
+/* need in pfn_valid macro */
+EXPORT_SYMBOL(min_low_pfn);
+EXPORT_SYMBOL(max_low_pfn);
+#endif
#define DECLARE_EXPORT(name) \
extern void name(void);EXPORT_SYMBOL(name)
Patches currently in stable-queue which might be from nobuhiro.iwamatsu.yj@xxxxxxxxxxx are
queue-3.12/sh-always-link-in-helper-functions-extracted-from-libgcc.patch
queue-3.12/sh-add-export_symbol-min_low_pfn-and-export_symbol-max_low_pfn-to-sh_ksyms_32.c.patch
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