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Message-ID: <201606151633.0oIDSxpQ%fengguang.wu@intel.com>
Date: Wed, 15 Jun 2016 16:22:35 +0800
From: kbuild test robot <lkp@...el.com>
To: DingXiang <dingxiang@...wei.com>
Cc: kbuild-all@...org, tj@...nel.org, linux-ide@...r.kernel.org,
fangwei1@...wei.com, miaoxie@...wei.com, wangyijing@...wei.com,
zhangaihua1@...wei.com, zhaohongjiang@...wei.com,
houtao1@...wei.com, linux-kernel@...r.kernel.org,
dingxiang@...wei.com
Subject: Re: [PATCH] libata:fix kernel panic when hotplug
Hi,
[auto build test ERROR on tj-libata/for-next]
[also build test ERROR on v4.7-rc3 next-20160615]
[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/DingXiang/libata-fix-kernel-panic-when-hotplug/20160615-154255
base: https://git.kernel.org/pub/scm/linux/kernel/git/tj/libata for-next
config: sparc64-allyesconfig (attached as .config)
compiler: sparc64-linux-gnu-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=sparc64
All error/warnings (new ones prefixed by >>):
In file included from include/linux/linkage.h:6:0,
from include/linux/kernel.h:6,
from drivers/ata/libata-eh.c:35:
drivers/ata/libata-eh.c: In function 'ata_scsi_port_error_handler':
>> include/linux/export.h:57:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
extern typeof(sym) 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/ata/libata-eh.c:836:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(ata_scsi_port_error_handler);
^
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/ata/libata-eh.c:836:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(ata_scsi_port_error_handler);
^
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/ata/libata-eh.c:836:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(ata_scsi_port_error_handler);
^
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/ata/libata-eh.c:836:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(ata_scsi_port_error_handler);
^
>> include/linux/export.h:63:39: error: declaration of '__ksymtab_ata_scsi_port_error_handler' 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/ata/libata-eh.c:836:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(ata_scsi_port_error_handler);
^
include/linux/export.h:62:36: note: previous declaration of '__ksymtab_ata_scsi_port_error_handler' 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/ata/libata-eh.c:836:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(ata_scsi_port_error_handler);
^
>> drivers/ata/libata-eh.c:871:19: error: non-static declaration of 'ata_port_wait_eh' follows static declaration
EXPORT_SYMBOL_GPL(ata_port_wait_eh);
^
include/linux/export.h:57:21: note: in definition of macro '___EXPORT_SYMBOL'
extern typeof(sym) sym; \
^
drivers/ata/libata-eh.c:871:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(ata_port_wait_eh);
^
drivers/ata/libata-eh.c:847:6: note: previous definition of 'ata_port_wait_eh' was here
void ata_port_wait_eh(struct ata_port *ap)
^
In file included from include/linux/linkage.h:6:0,
from include/linux/kernel.h:6,
from drivers/ata/libata-eh.c:35:
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/ata/libata-eh.c:871:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(ata_port_wait_eh);
^
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/ata/libata-eh.c:871:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(ata_port_wait_eh);
^
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/ata/libata-eh.c:871:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(ata_port_wait_eh);
^
>> include/linux/export.h:63:39: error: declaration of '__ksymtab_ata_port_wait_eh' 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/ata/libata-eh.c:871:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(ata_port_wait_eh);
^
include/linux/export.h:62:36: note: previous declaration of '__ksymtab_ata_port_wait_eh' 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/ata/libata-eh.c:871:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(ata_port_wait_eh);
^
>> drivers/ata/libata-eh.c:873:12: error: invalid storage class for function 'ata_eh_nr_in_flight'
static int ata_eh_nr_in_flight(struct ata_port *ap)
^
>> drivers/ata/libata-eh.c:937:13: error: invalid storage class for function 'ata_eh_set_pending'
static void ata_eh_set_pending(struct ata_port *ap, int fastdrain)
^
In file included from include/linux/linkage.h:6:0,
from include/linux/kernel.h:6,
from drivers/ata/libata-eh.c:35:
>> drivers/ata/libata-eh.c:1012:19: error: non-static declaration of 'ata_std_sched_eh' follows static declaration
EXPORT_SYMBOL_GPL(ata_std_sched_eh);
^
include/linux/export.h:57:21: note: in definition of macro '___EXPORT_SYMBOL'
extern typeof(sym) sym; \
^
drivers/ata/libata-eh.c:1012:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(ata_std_sched_eh);
^
drivers/ata/libata-eh.c:1000:6: note: previous definition of 'ata_std_sched_eh' was here
void ata_std_sched_eh(struct ata_port *ap)
^
In file included from include/linux/linkage.h:6:0,
from include/linux/kernel.h:6,
from drivers/ata/libata-eh.c:35:
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/ata/libata-eh.c:1012:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(ata_std_sched_eh);
^
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/ata/libata-eh.c:1012:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(ata_std_sched_eh);
^
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/ata/libata-eh.c:1012:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(ata_std_sched_eh);
^
>> include/linux/export.h:63:39: error: declaration of '__ksymtab_ata_std_sched_eh' 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/ata/libata-eh.c:1012:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(ata_std_sched_eh);
^
include/linux/export.h:62:36: note: previous declaration of '__ksymtab_ata_std_sched_eh' 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/ata/libata-eh.c:1012:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(ata_std_sched_eh);
^
>> drivers/ata/libata-eh.c:1032:15: error: non-static declaration of 'ata_std_end_eh' follows static declaration
EXPORT_SYMBOL(ata_std_end_eh);
^
include/linux/export.h:57:21: note: in definition of macro '___EXPORT_SYMBOL'
extern typeof(sym) sym; \
^
>> drivers/ata/libata-eh.c:1032:1: note: in expansion of macro 'EXPORT_SYMBOL'
EXPORT_SYMBOL(ata_std_end_eh);
^
drivers/ata/libata-eh.c:1026:6: note: previous definition of 'ata_std_end_eh' was here
void ata_std_end_eh(struct ata_port *ap)
^
In file included from include/linux/linkage.h:6:0,
from include/linux/kernel.h:6,
from drivers/ata/libata-eh.c:35:
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:98:2: note: in expansion of macro '__EXPORT_SYMBOL'
__EXPORT_SYMBOL(sym, "")
^
>> drivers/ata/libata-eh.c:1032:1: note: in expansion of macro 'EXPORT_SYMBOL'
EXPORT_SYMBOL(ata_std_end_eh);
^
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:98:2: note: in expansion of macro '__EXPORT_SYMBOL'
__EXPORT_SYMBOL(sym, "")
^
>> drivers/ata/libata-eh.c:1032:1: note: in expansion of macro 'EXPORT_SYMBOL'
EXPORT_SYMBOL(ata_std_end_eh);
^
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:98:2: note: in expansion of macro '__EXPORT_SYMBOL'
__EXPORT_SYMBOL(sym, "")
^
>> drivers/ata/libata-eh.c:1032:1: note: in expansion of macro 'EXPORT_SYMBOL'
EXPORT_SYMBOL(ata_std_end_eh);
^
>> include/linux/export.h:63:39: error: declaration of '__ksymtab_ata_std_end_eh' 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:98:2: note: in expansion of macro '__EXPORT_SYMBOL'
__EXPORT_SYMBOL(sym, "")
^
vim +/__ksymtab_ata_scsi_port_error_handler +63 include/linux/export.h
f5016932 Paul Gortmaker 2011-05-23 51 #else
f5016932 Paul Gortmaker 2011-05-23 52 #define __CRC_SYMBOL(sym, sec)
f5016932 Paul Gortmaker 2011-05-23 53 #endif
f5016932 Paul Gortmaker 2011-05-23 54
f5016932 Paul Gortmaker 2011-05-23 55 /* For every exported symbol, place a struct in the __ksymtab section */
f2355416 Nicolas Pitre 2016-01-22 56 #define ___EXPORT_SYMBOL(sym, sec) \
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@...ux.intel.com>
:::::: CC: Rusty Russell <rusty@...tcorp.com.au>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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