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Date: Fri, 16 Apr 2021 02:47:21 +0800
From: kernel test robot <lkp@...el.com>
To: Du Cheng <ducheng2@...il.com>, Jamal Hadi Salim <jhs@...atatu.com>,
Cong Wang <xiyou.wangcong@...il.com>,
Jiri Pirko <jiri@...nulli.us>
Cc: kbuild-all@...ts.01.org, netdev@...r.kernel.org,
Shuah Khan <skhan@...uxfoundation.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Du Cheng <ducheng2@...il.com>,
syzbot+d50710fd0873a9c6b40c@...kaller.appspotmail.com
Subject: Re: [PATCH] net: sched: tapr: remove WARN_ON() in
taprio_get_start_time()
Hi Du,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v5.12-rc7 next-20210415]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Du-Cheng/net-sched-tapr-remove-WARN_ON-in-taprio_get_start_time/20210415-144126
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 7f75285ca572eaabc028cf78c6ab5473d0d160be
config: i386-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/274f557f95031e6965d9bb0ee67fdc22f2eb9b3a
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Du-Cheng/net-sched-tapr-remove-WARN_ON-in-taprio_get_start_time/20210415-144126
git checkout 274f557f95031e6965d9bb0ee67fdc22f2eb9b3a
# save the attached .config to linux build tree
make W=1 W=1 ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
net/sched/sch_taprio.c:1646:12: error: invalid storage class for function 'taprio_init'
1646 | static int taprio_init(struct Qdisc *sch, struct nlattr *opt,
| ^~~~~~~~~~~
net/sched/sch_taprio.c:1712:29: error: invalid storage class for function 'taprio_queue_get'
1712 | static struct netdev_queue *taprio_queue_get(struct Qdisc *sch,
| ^~~~~~~~~~~~~~~~
net/sched/sch_taprio.c:1724:12: error: invalid storage class for function 'taprio_graft'
1724 | static int taprio_graft(struct Qdisc *sch, unsigned long cl,
| ^~~~~~~~~~~~
net/sched/sch_taprio.c:1750:12: error: invalid storage class for function 'dump_entry'
1750 | static int dump_entry(struct sk_buff *msg,
| ^~~~~~~~~~
net/sched/sch_taprio.c:1780:12: error: invalid storage class for function 'dump_schedule'
1780 | static int dump_schedule(struct sk_buff *msg,
| ^~~~~~~~~~~~~
net/sched/sch_taprio.c:1816:12: error: invalid storage class for function 'taprio_dump'
1816 | static int taprio_dump(struct Qdisc *sch, struct sk_buff *skb)
| ^~~~~~~~~~~
net/sched/sch_taprio.c:1886:22: error: invalid storage class for function 'taprio_leaf'
1886 | static struct Qdisc *taprio_leaf(struct Qdisc *sch, unsigned long cl)
| ^~~~~~~~~~~
net/sched/sch_taprio.c:1896:22: error: invalid storage class for function 'taprio_find'
1896 | static unsigned long taprio_find(struct Qdisc *sch, u32 classid)
| ^~~~~~~~~~~
net/sched/sch_taprio.c:1905:12: error: invalid storage class for function 'taprio_dump_class'
1905 | static int taprio_dump_class(struct Qdisc *sch, unsigned long cl,
| ^~~~~~~~~~~~~~~~~
net/sched/sch_taprio.c:1917:12: error: invalid storage class for function 'taprio_dump_class_stats'
1917 | static int taprio_dump_class_stats(struct Qdisc *sch, unsigned long cl,
| ^~~~~~~~~~~~~~~~~~~~~~~
net/sched/sch_taprio.c:1931:13: error: invalid storage class for function 'taprio_walk'
1931 | static void taprio_walk(struct Qdisc *sch, struct qdisc_walker *arg)
| ^~~~~~~~~~~
net/sched/sch_taprio.c:1949:29: error: invalid storage class for function 'taprio_select_queue'
1949 | static struct netdev_queue *taprio_select_queue(struct Qdisc *sch,
| ^~~~~~~~~~~~~~~~~~~
net/sched/sch_taprio.c:1956:12: error: initializer element is not constant
1956 | .graft = taprio_graft,
| ^~~~~~~~~~~~
net/sched/sch_taprio.c:1956:12: note: (near initialization for 'taprio_class_ops.graft')
net/sched/sch_taprio.c:1957:11: error: initializer element is not constant
1957 | .leaf = taprio_leaf,
| ^~~~~~~~~~~
net/sched/sch_taprio.c:1957:11: note: (near initialization for 'taprio_class_ops.leaf')
net/sched/sch_taprio.c:1958:11: error: initializer element is not constant
1958 | .find = taprio_find,
| ^~~~~~~~~~~
net/sched/sch_taprio.c:1958:11: note: (near initialization for 'taprio_class_ops.find')
net/sched/sch_taprio.c:1959:11: error: initializer element is not constant
1959 | .walk = taprio_walk,
| ^~~~~~~~~~~
net/sched/sch_taprio.c:1959:11: note: (near initialization for 'taprio_class_ops.walk')
net/sched/sch_taprio.c:1960:11: error: initializer element is not constant
1960 | .dump = taprio_dump_class,
| ^~~~~~~~~~~~~~~~~
net/sched/sch_taprio.c:1960:11: note: (near initialization for 'taprio_class_ops.dump')
net/sched/sch_taprio.c:1961:16: error: initializer element is not constant
1961 | .dump_stats = taprio_dump_class_stats,
| ^~~~~~~~~~~~~~~~~~~~~~~
net/sched/sch_taprio.c:1961:16: note: (near initialization for 'taprio_class_ops.dump_stats')
net/sched/sch_taprio.c:1962:18: error: initializer element is not constant
1962 | .select_queue = taprio_select_queue,
| ^~~~~~~~~~~~~~~~~~~
net/sched/sch_taprio.c:1962:18: note: (near initialization for 'taprio_class_ops.select_queue')
net/sched/sch_taprio.c:1969:11: error: initializer element is not constant
1969 | .init = taprio_init,
| ^~~~~~~~~~~
net/sched/sch_taprio.c:1969:11: note: (near initialization for 'taprio_qdisc_ops.init')
net/sched/sch_taprio.c:1970:13: error: initializer element is not constant
1970 | .change = taprio_change,
| ^~~~~~~~~~~~~
net/sched/sch_taprio.c:1970:13: note: (near initialization for 'taprio_qdisc_ops.change')
net/sched/sch_taprio.c:1971:13: error: initializer element is not constant
1971 | .destroy = taprio_destroy,
| ^~~~~~~~~~~~~~
net/sched/sch_taprio.c:1971:13: note: (near initialization for 'taprio_qdisc_ops.destroy')
net/sched/sch_taprio.c:1972:12: error: initializer element is not constant
1972 | .reset = taprio_reset,
| ^~~~~~~~~~~~
net/sched/sch_taprio.c:1972:12: note: (near initialization for 'taprio_qdisc_ops.reset')
net/sched/sch_taprio.c:1976:11: error: initializer element is not constant
1976 | .dump = taprio_dump,
| ^~~~~~~~~~~
net/sched/sch_taprio.c:1976:11: note: (near initialization for 'taprio_qdisc_ops.dump')
net/sched/sch_taprio.c:1981:19: error: initializer element is not constant
1981 | .notifier_call = taprio_dev_notifier,
| ^~~~~~~~~~~~~~~~~~~
net/sched/sch_taprio.c:1981:19: note: (near initialization for 'taprio_device_notifier.notifier_call')
net/sched/sch_taprio.c:1984:19: error: invalid storage class for function 'taprio_module_init'
1984 | static int __init taprio_module_init(void)
| ^~~~~~~~~~~~~~~~~~
net/sched/sch_taprio.c:1994:20: error: invalid storage class for function 'taprio_module_exit'
1994 | static void __exit taprio_module_exit(void)
| ^~~~~~~~~~~~~~~~~~
In file included from include/linux/build_bug.h:5,
from include/linux/bits.h:22,
from include/linux/bitops.h:6,
from include/linux/bitmap.h:8,
from include/linux/ethtool.h:16,
from net/sched/sch_taprio.c:9:
>> include/linux/compiler.h:226:46: error: initializer element is not constant
226 | __UNIQUE_ID(__PASTE(__addressable_,sym)) = (void *)&sym;
| ^
include/linux/init.h:236:2: note: in expansion of macro '__ADDRESSABLE'
236 | __ADDRESSABLE(fn)
| ^~~~~~~~~~~~~
include/linux/init.h:241:2: note: in expansion of macro '__define_initcall_stub'
241 | __define_initcall_stub(__stub, fn) \
| ^~~~~~~~~~~~~~~~~~~~~~
include/linux/init.h:253:2: note: in expansion of macro '____define_initcall'
253 | ____define_initcall(fn, \
| ^~~~~~~~~~~~~~~~~~~
include/linux/init.h:259:2: note: in expansion of macro '__unique_initcall'
259 | __unique_initcall(fn, id, __sec, __initcall_id(fn))
| ^~~~~~~~~~~~~~~~~
include/linux/init.h:261:35: note: in expansion of macro '___define_initcall'
261 | #define __define_initcall(fn, id) ___define_initcall(fn, id, .initcall##id)
| ^~~~~~~~~~~~~~~~~~
include/linux/init.h:290:30: note: in expansion of macro '__define_initcall'
290 | #define device_initcall(fn) __define_initcall(fn, 6)
| ^~~~~~~~~~~~~~~~~
include/linux/init.h:295:24: note: in expansion of macro 'device_initcall'
295 | #define __initcall(fn) device_initcall(fn)
| ^~~~~~~~~~~~~~~
include/linux/module.h:86:24: note: in expansion of macro '__initcall'
86 | #define module_init(x) __initcall(x);
| ^~~~~~~~~~
net/sched/sch_taprio.c:2000:1: note: in expansion of macro 'module_init'
2000 | module_init(taprio_module_init);
| ^~~~~~~~~~~
In file included from include/linux/printk.h:6,
from include/linux/kernel.h:16,
from include/linux/bitmap.h:10,
from include/linux/ethtool.h:16,
from net/sched/sch_taprio.c:9:
net/sched/sch_taprio.c:2001:13: error: initializer element is not constant
2001 | module_exit(taprio_module_exit);
| ^~~~~~~~~~~~~~~~~~
include/linux/init.h:298:50: note: in definition of macro '__exitcall'
298 | static exitcall_t __exitcall_##fn __exit_call = fn
| ^~
net/sched/sch_taprio.c:2001:1: note: in expansion of macro 'module_exit'
2001 | module_exit(taprio_module_exit);
| ^~~~~~~~~~~
include/linux/init.h:298:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
298 | static exitcall_t __exitcall_##fn __exit_call = fn
| ^~~~~~
include/linux/module.h:98:24: note: in expansion of macro '__exitcall'
98 | #define module_exit(x) __exitcall(x);
| ^~~~~~~~~~
net/sched/sch_taprio.c:2001:1: note: in expansion of macro 'module_exit'
2001 | module_exit(taprio_module_exit);
| ^~~~~~~~~~~
In file included from include/linux/module.h:21,
from net/sched/sch_taprio.c:18:
include/linux/moduleparam.h:24:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
24 | static const char __UNIQUE_ID(name)[] \
| ^~~~~~
include/linux/module.h:160:32: note: in expansion of macro '__MODULE_INFO'
160 | #define MODULE_INFO(tag, info) __MODULE_INFO(tag, tag, info)
| ^~~~~~~~~~~~~
include/linux/module.h:177:21: note: in expansion of macro 'MODULE_INFO'
177 | #define MODULE_FILE MODULE_INFO(file, KBUILD_MODFILE);
| ^~~~~~~~~~~
include/linux/module.h:224:34: note: in expansion of macro 'MODULE_FILE'
224 | #define MODULE_LICENSE(_license) MODULE_FILE MODULE_INFO(license, _license)
| ^~~~~~~~~~~
net/sched/sch_taprio.c:2002:1: note: in expansion of macro 'MODULE_LICENSE'
2002 | MODULE_LICENSE("GPL");
| ^~~~~~~~~~~~~~
net/sched/sch_taprio.c:2002:1: error: expected declaration or statement at end of input
In file included from include/linux/linkage.h:7,
from include/linux/kernel.h:7,
from include/linux/bitmap.h:10,
from include/linux/ethtool.h:16,
from net/sched/sch_taprio.c:9:
include/linux/export.h:100:20: warning: unused variable '__kstrtabns_taprio_offload_free' [-Wunused-variable]
100 | extern const char __kstrtabns_##sym[]; \
| ^~~~~~~~~~~~
include/linux/export.h:147:39: note: in expansion of macro '___EXPORT_SYMBOL'
147 | #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns)
| ^~~~~~~~~~~~~~~~
include/linux/export.h:155:34: note: in expansion of macro '__EXPORT_SYMBOL'
155 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "")
| ^~~~~~~~~~~~~~~
include/linux/export.h:159:33: note: in expansion of macro '_EXPORT_SYMBOL'
159 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl")
| ^~~~~~~~~~~~~~
net/sched/sch_taprio.c:1156:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
1156 | EXPORT_SYMBOL_GPL(taprio_offload_free);
| ^~~~~~~~~~~~~~~~~
include/linux/export.h:99:20: warning: unused variable '__kstrtab_taprio_offload_free' [-Wunused-variable]
99 | extern const char __kstrtab_##sym[]; \
| ^~~~~~~~~~
include/linux/export.h:147:39: note: in expansion of macro '___EXPORT_SYMBOL'
147 | #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns)
| ^~~~~~~~~~~~~~~~
include/linux/export.h:155:34: note: in expansion of macro '__EXPORT_SYMBOL'
155 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "")
| ^~~~~~~~~~~~~~~
include/linux/export.h:159:33: note: in expansion of macro '_EXPORT_SYMBOL'
vim +226 include/linux/compiler.h
^1da177e4c3f415 Linus Torvalds 2005-04-16 217
7290d58095712a8 Ard Biesheuvel 2018-08-21 218 /*
7290d58095712a8 Ard Biesheuvel 2018-08-21 219 * Force the compiler to emit 'sym' as a symbol, so that we can reference
7290d58095712a8 Ard Biesheuvel 2018-08-21 220 * it from inline assembler. Necessary in case 'sym' could be inlined
7290d58095712a8 Ard Biesheuvel 2018-08-21 221 * otherwise, or eliminated entirely due to lack of references that are
7290d58095712a8 Ard Biesheuvel 2018-08-21 222 * visible to the compiler.
7290d58095712a8 Ard Biesheuvel 2018-08-21 223 */
7290d58095712a8 Ard Biesheuvel 2018-08-21 224 #define __ADDRESSABLE(sym) \
33def8498fdde18 Joe Perches 2020-10-21 225 static void * __section(".discard.addressable") __used \
563a02b0c9704f6 Josh Poimboeuf 2020-08-18 @226 __UNIQUE_ID(__PASTE(__addressable_,sym)) = (void *)&sym;
7290d58095712a8 Ard Biesheuvel 2018-08-21 227
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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