Re: [PATCH V2 4/8] clk: core: support clocks which requires parents enable (part 2)

From: kbuild test robot
Date: Wed Jun 29 2016 - 12:42:01 EST

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In reply to: Dong Aisheng: "[PATCH V2 4/8] clk: core: support clocks which requires parents enable (part 2)"
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Hi,

[auto build test ERROR on clk/clk-next]
[also build test ERROR on v4.7-rc5 next-20160629]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Dong-Aisheng/clk-core-support-clocks-which-requires-parents-enable/20160629-231445
base: https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-next
config: arm-viper_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 5.3.1-8) 5.3.1 20160205
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=arm

All errors (new ones prefixed by >>):

include/linux/export.h:63:39: error: declaration of '__ksymtab_clk_notifier_register' with no linkage follows extern declaration
__visible const struct kernel_symbol __ksymtab_##sym \
^
include/linux/export.h:94:25: note: in expansion of macro '___EXPORT_SYMBOL'
#define __EXPORT_SYMBOL ___EXPORT_SYMBOL
^
include/linux/export.h:101:2: note: in expansion of macro '__EXPORT_SYMBOL'
__EXPORT_SYMBOL(sym, "_gpl")
^
drivers/clk/clk.c:2958:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(clk_notifier_register);
^
include/linux/export.h:62:36: note: previous declaration of '__ksymtab_clk_notifier_register' was here
extern const struct kernel_symbol __ksymtab_##sym; \
^
include/linux/export.h:94:25: note: in expansion of macro '___EXPORT_SYMBOL'
#define __EXPORT_SYMBOL ___EXPORT_SYMBOL
^
include/linux/export.h:101:2: note: in expansion of macro '__EXPORT_SYMBOL'
__EXPORT_SYMBOL(sym, "_gpl")
^
drivers/clk/clk.c:2958:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(clk_notifier_register);
^
drivers/clk/clk.c:3005:19: error: non-static declaration of 'clk_notifier_unregister' follows static declaration
EXPORT_SYMBOL_GPL(clk_notifier_unregister);
^
include/linux/export.h:57:21: note: in definition of macro '___EXPORT_SYMBOL'
extern typeof(sym) sym; \
^
drivers/clk/clk.c:3005:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(clk_notifier_unregister);
^
drivers/clk/clk.c:2971:5: note: previous definition of 'clk_notifier_unregister' was here
int clk_notifier_unregister(struct clk *clk, struct notifier_block *nb)
^
In file included from include/linux/linkage.h:6:0,
from include/linux/kernel.h:6,
from include/linux/clk.h:16,
from drivers/clk/clk.c:12:
include/linux/export.h:63:25: warning: '__used__' attribute ignored [-Wattributes]
__visible const struct kernel_symbol __ksymtab_##sym \
^
include/linux/export.h:94:25: note: in expansion of macro '___EXPORT_SYMBOL'
#define __EXPORT_SYMBOL ___EXPORT_SYMBOL
^
include/linux/export.h:101:2: note: in expansion of macro '__EXPORT_SYMBOL'
__EXPORT_SYMBOL(sym, "_gpl")
^
drivers/clk/clk.c:3005:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(clk_notifier_unregister);
^
include/linux/export.h:63:39: error: section attribute cannot be specified for local variables
__visible const struct kernel_symbol __ksymtab_##sym \
^
include/linux/export.h:94:25: note: in expansion of macro '___EXPORT_SYMBOL'
#define __EXPORT_SYMBOL ___EXPORT_SYMBOL
^
include/linux/export.h:101:2: note: in expansion of macro '__EXPORT_SYMBOL'
__EXPORT_SYMBOL(sym, "_gpl")
^
drivers/clk/clk.c:3005:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(clk_notifier_unregister);
^
include/linux/export.h:63:25: warning: 'externally_visible' attribute have effect only on public objects [-Wattributes]
__visible const struct kernel_symbol __ksymtab_##sym \
^
include/linux/export.h:94:25: note: in expansion of macro '___EXPORT_SYMBOL'
#define __EXPORT_SYMBOL ___EXPORT_SYMBOL
^
include/linux/export.h:101:2: note: in expansion of macro '__EXPORT_SYMBOL'
__EXPORT_SYMBOL(sym, "_gpl")
^
drivers/clk/clk.c:3005:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(clk_notifier_unregister);
^
include/linux/export.h:63:39: error: declaration of '__ksymtab_clk_notifier_unregister' with no linkage follows extern declaration
__visible const struct kernel_symbol __ksymtab_##sym \
^
include/linux/export.h:94:25: note: in expansion of macro '___EXPORT_SYMBOL'
#define __EXPORT_SYMBOL ___EXPORT_SYMBOL
^
include/linux/export.h:101:2: note: in expansion of macro '__EXPORT_SYMBOL'
__EXPORT_SYMBOL(sym, "_gpl")
^
drivers/clk/clk.c:3005:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(clk_notifier_unregister);
^
include/linux/export.h:62:36: note: previous declaration of '__ksymtab_clk_notifier_unregister' was here
extern const struct kernel_symbol __ksymtab_##sym; \
^
include/linux/export.h:94:25: note: in expansion of macro '___EXPORT_SYMBOL'
#define __EXPORT_SYMBOL ___EXPORT_SYMBOL
^
include/linux/export.h:101:2: note: in expansion of macro '__EXPORT_SYMBOL'
__EXPORT_SYMBOL(sym, "_gpl")
^
drivers/clk/clk.c:3005:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(clk_notifier_unregister);
^
>> include/linux/export.h:63:25: error: expected declaration or statement at end of input
__visible const struct kernel_symbol __ksymtab_##sym \
^
include/linux/export.h:94:25: note: in expansion of macro '___EXPORT_SYMBOL'
#define __EXPORT_SYMBOL ___EXPORT_SYMBOL
^
include/linux/export.h:101:2: note: in expansion of macro '__EXPORT_SYMBOL'
__EXPORT_SYMBOL(sym, "_gpl")
^
drivers/clk/clk.c:3005:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(clk_notifier_unregister);
^

vim +63 include/linux/export.h

f5016932 Paul Gortmaker 2011-05-23 57 extern typeof(sym) sym; \
f5016932 Paul Gortmaker 2011-05-23 58 __CRC_SYMBOL(sym, sec) \
f5016932 Paul Gortmaker 2011-05-23 59 static const char __kstrtab_##sym[] \
f5016932 Paul Gortmaker 2011-05-23 60 __attribute__((section("__ksymtab_strings"), aligned(1))) \
b92021b0 Rusty Russell 2013-03-15 61 = VMLINUX_SYMBOL_STR(sym); \
7b4ec8dd Johannes Berg 2014-01-16 62 extern const struct kernel_symbol __ksymtab_##sym; \
e0f244c6 Andi Kleen 2013-10-23 @63 __visible const struct kernel_symbol __ksymtab_##sym \
f5016932 Paul Gortmaker 2011-05-23 64 __used \
f5016932 Paul Gortmaker 2011-05-23 65 __attribute__((section("___ksymtab" sec "+" #sym), unused)) \
f5016932 Paul Gortmaker 2011-05-23 66 = { (unsigned long)&sym, __kstrtab_##sym }
f5016932 Paul Gortmaker 2011-05-23 67
c1a95fda Nicolas Pitre 2016-01-22 68 #if defined(__KSYM_DEPS__)
c1a95fda Nicolas Pitre 2016-01-22 69
c1a95fda Nicolas Pitre 2016-01-22 70 /*
c1a95fda Nicolas Pitre 2016-01-22 71 * For fine grained build dependencies, we want to tell the build system
c1a95fda Nicolas Pitre 2016-01-22 72 * about each possible exported symbol even if they're not actually exported.
c1a95fda Nicolas Pitre 2016-01-22 73 * We use a string pattern that is unlikely to be valid code that the build
c1a95fda Nicolas Pitre 2016-01-22 74 * system filters out from the preprocessor output (see ksym_dep_filter
c1a95fda Nicolas Pitre 2016-01-22 75 * in scripts/Kbuild.include).
c1a95fda Nicolas Pitre 2016-01-22 76 */
c1a95fda Nicolas Pitre 2016-01-22 77 #define __EXPORT_SYMBOL(sym, sec) === __KSYM_##sym ===
c1a95fda Nicolas Pitre 2016-01-22 78
c1a95fda Nicolas Pitre 2016-01-22 79 #elif defined(CONFIG_TRIM_UNUSED_KSYMS)
f2355416 Nicolas Pitre 2016-01-22 80
f2355416 Nicolas Pitre 2016-01-22 81 #include <linux/kconfig.h>
f2355416 Nicolas Pitre 2016-01-22 82 #include <generated/autoksyms.h>
f2355416 Nicolas Pitre 2016-01-22 83
f2355416 Nicolas Pitre 2016-01-22 84 #define __EXPORT_SYMBOL(sym, sec) \
f2355416 Nicolas Pitre 2016-01-22 85 __cond_export_sym(sym, sec, config_enabled(__KSYM_##sym))
f2355416 Nicolas Pitre 2016-01-22 86 #define __cond_export_sym(sym, sec, conf) \
f2355416 Nicolas Pitre 2016-01-22 87 ___cond_export_sym(sym, sec, conf)
f2355416 Nicolas Pitre 2016-01-22 88 #define ___cond_export_sym(sym, sec, enabled) \
f2355416 Nicolas Pitre 2016-01-22 89 __cond_export_sym_##enabled(sym, sec)
f2355416 Nicolas Pitre 2016-01-22 90 #define __cond_export_sym_1(sym, sec) ___EXPORT_SYMBOL(sym, sec)
f2355416 Nicolas Pitre 2016-01-22 91 #define __cond_export_sym_0(sym, sec) /* nothing */
f2355416 Nicolas Pitre 2016-01-22 92
f2355416 Nicolas Pitre 2016-01-22 93 #else
f2355416 Nicolas Pitre 2016-01-22 @94 #define __EXPORT_SYMBOL ___EXPORT_SYMBOL
f2355416 Nicolas Pitre 2016-01-22 95 #endif
f2355416 Nicolas Pitre 2016-01-22 96
f5016932 Paul Gortmaker 2011-05-23 97 #define EXPORT_SYMBOL(sym) \

:::::: The code at line 63 was first introduced by commit
:::::: e0f244c63fc9d192dfd399cc2677bbdca61994b1 asmlinkage, module: Make ksymtab and kcrctab symbols and __this_module __visible

:::::: TO: Andi Kleen <ak@xxxxxxxxxxxxxxx>
:::::: CC: Rusty Russell <rusty@xxxxxxxxxxxxxxx>

---
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Next message: Greg KH: "Re: [patch V4 27/31] serial: use parity8 in max3100"
Previous message: Konrad Rzeszutek Wilk: "[GIT PULL] (Xen) stable/for-jens-4.7 for v4.7-rc5"
In reply to: Dong Aisheng: "[PATCH V2 4/8] clk: core: support clocks which requires parents enable (part 2)"
Next in thread: kbuild test robot: "Re: [PATCH V2 4/8] clk: core: support clocks which requires parents enable (part 2)"
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