From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: [peterz-queue:sched/core-sched 41/42] fs/../kernel/sched/sched.h:2461:20: error: static declaration of 'double_rq_lock' follows non-static declaration
Date: Wed, 03 Mar 2021 01:23:24 +0800 [thread overview]
Message-ID: <202103030120.Mzb9A5jT-lkp@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/core-sched
head: 5e50471743a68f484b7d1ad91c7fd809f6a30145
commit: 2b9410cf5104df69fceb025cc73d7a0d97bd8aa7 [41/42] sched: Prepare to drop stop_machine() for core sched
config: x86_64-randconfig-a011-20210302 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 5de09ef02e24d234d9fc0cd1c6dfe18a1bb784b0)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=2b9410cf5104df69fceb025cc73d7a0d97bd8aa7
git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
git fetch --no-tags peterz-queue sched/core-sched
git checkout 2b9410cf5104df69fceb025cc73d7a0d97bd8aa7
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
In file included from fs/io-wq.c:20:
>> fs/../kernel/sched/sched.h:2461:20: error: static declaration of 'double_rq_lock' follows non-static declaration
static inline void double_rq_lock(struct rq *rq1, struct rq *rq2)
^
fs/../kernel/sched/sched.h:2331:13: note: previous declaration is here
extern void double_rq_lock(struct rq *rq1, struct rq *rq2);
^
1 error generated.
--
^
kernel/sched/sched.h:1152:20: note: 'sched_core_enabled' declared here
static inline bool sched_core_enabled(struct rq *rq)
^
kernel/sched/core.c:400:7: error: member reference base type 'bool (struct rq *)' (aka '_Bool (struct rq *)') is not a structure or union
if (!static_branch_unlikely(&__sched_core_enabled))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/jump_label.h:481:75: note: expanded from macro 'static_branch_unlikely'
#define static_branch_unlikely(x) unlikely_notrace(static_key_enabled(&(x)->key))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
include/linux/jump_label.h:389:44: note: expanded from macro 'static_key_enabled'
if (!__builtin_types_compatible_p(typeof(*x), struct static_key) && \
^
include/linux/compiler.h:21:49: note: expanded from macro 'unlikely_notrace'
#define unlikely_notrace(x) __builtin_expect(!!(x), 0)
^
kernel/sched/core.c:400:31: error: use of undeclared identifier '__sched_core_enabled'; did you mean 'sched_core_enabled'?
if (!static_branch_unlikely(&__sched_core_enabled))
^~~~~~~~~~~~~~~~~~~~
sched_core_enabled
include/linux/jump_label.h:481:73: note: expanded from macro 'static_branch_unlikely'
#define static_branch_unlikely(x) unlikely_notrace(static_key_enabled(&(x)->key))
^
include/linux/jump_label.h:390:44: note: expanded from macro 'static_key_enabled'
!__builtin_types_compatible_p(typeof(*x), struct static_key_true) &&\
^
include/linux/compiler.h:21:49: note: expanded from macro 'unlikely_notrace'
#define unlikely_notrace(x) __builtin_expect(!!(x), 0)
^
kernel/sched/sched.h:1152:20: note: 'sched_core_enabled' declared here
static inline bool sched_core_enabled(struct rq *rq)
^
kernel/sched/core.c:400:7: error: member reference base type 'bool (struct rq *)' (aka '_Bool (struct rq *)') is not a structure or union
if (!static_branch_unlikely(&__sched_core_enabled))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/jump_label.h:481:75: note: expanded from macro 'static_branch_unlikely'
#define static_branch_unlikely(x) unlikely_notrace(static_key_enabled(&(x)->key))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
include/linux/jump_label.h:390:44: note: expanded from macro 'static_key_enabled'
!__builtin_types_compatible_p(typeof(*x), struct static_key_true) &&\
^
include/linux/compiler.h:21:49: note: expanded from macro 'unlikely_notrace'
#define unlikely_notrace(x) __builtin_expect(!!(x), 0)
^
kernel/sched/core.c:400:31: error: use of undeclared identifier '__sched_core_enabled'; did you mean 'sched_core_enabled'?
if (!static_branch_unlikely(&__sched_core_enabled))
^~~~~~~~~~~~~~~~~~~~
sched_core_enabled
include/linux/jump_label.h:481:73: note: expanded from macro 'static_branch_unlikely'
#define static_branch_unlikely(x) unlikely_notrace(static_key_enabled(&(x)->key))
^
include/linux/jump_label.h:391:44: note: expanded from macro 'static_key_enabled'
!__builtin_types_compatible_p(typeof(*x), struct static_key_false)) \
^
include/linux/compiler.h:21:49: note: expanded from macro 'unlikely_notrace'
#define unlikely_notrace(x) __builtin_expect(!!(x), 0)
^
kernel/sched/sched.h:1152:20: note: 'sched_core_enabled' declared here
static inline bool sched_core_enabled(struct rq *rq)
^
kernel/sched/core.c:400:7: error: member reference base type 'bool (struct rq *)' (aka '_Bool (struct rq *)') is not a structure or union
if (!static_branch_unlikely(&__sched_core_enabled))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/jump_label.h:481:75: note: expanded from macro 'static_branch_unlikely'
#define static_branch_unlikely(x) unlikely_notrace(static_key_enabled(&(x)->key))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
include/linux/jump_label.h:391:44: note: expanded from macro 'static_key_enabled'
!__builtin_types_compatible_p(typeof(*x), struct static_key_false)) \
^
include/linux/compiler.h:21:49: note: expanded from macro 'unlikely_notrace'
#define unlikely_notrace(x) __builtin_expect(!!(x), 0)
^
kernel/sched/core.c:400:31: error: use of undeclared identifier '__sched_core_enabled'; did you mean 'sched_core_enabled'?
if (!static_branch_unlikely(&__sched_core_enabled))
^~~~~~~~~~~~~~~~~~~~
sched_core_enabled
include/linux/jump_label.h:481:73: note: expanded from macro 'static_branch_unlikely'
#define static_branch_unlikely(x) unlikely_notrace(static_key_enabled(&(x)->key))
^
include/linux/jump_label.h:393:40: note: expanded from macro 'static_key_enabled'
static_key_count((struct static_key *)x) > 0; \
^
include/linux/compiler.h:21:49: note: expanded from macro 'unlikely_notrace'
#define unlikely_notrace(x) __builtin_expect(!!(x), 0)
^
kernel/sched/sched.h:1152:20: note: 'sched_core_enabled' declared here
static inline bool sched_core_enabled(struct rq *rq)
^
kernel/sched/core.c:400:7: error: member reference base type 'bool (struct rq *)' (aka '_Bool (struct rq *)') is not a structure or union
if (!static_branch_unlikely(&__sched_core_enabled))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/jump_label.h:481:75: note: expanded from macro 'static_branch_unlikely'
#define static_branch_unlikely(x) unlikely_notrace(static_key_enabled(&(x)->key))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
include/linux/jump_label.h:393:40: note: expanded from macro 'static_key_enabled'
static_key_count((struct static_key *)x) > 0; \
^
include/linux/compiler.h:21:49: note: expanded from macro 'unlikely_notrace'
#define unlikely_notrace(x) __builtin_expect(!!(x), 0)
^
>> kernel/sched/core.c:424:11: error: no member named 'cpu' in 'struct rq'
if (rq1->cpu > rq2->cpu)
~~~ ^
kernel/sched/core.c:424:22: error: no member named 'cpu' in 'struct rq'
if (rq1->cpu > rq2->cpu)
~~~ ^
19 errors generated.
vim +/double_rq_lock +2461 fs/../kernel/sched/sched.h
029632fbb7b7c9 kernel/sched.h Peter Zijlstra 2011-10-25 2454
029632fbb7b7c9 kernel/sched.h Peter Zijlstra 2011-10-25 2455 /*
029632fbb7b7c9 kernel/sched.h Peter Zijlstra 2011-10-25 2456 * double_rq_lock - safely lock two runqueues
029632fbb7b7c9 kernel/sched.h Peter Zijlstra 2011-10-25 2457 *
029632fbb7b7c9 kernel/sched.h Peter Zijlstra 2011-10-25 2458 * Note this does not disable interrupts like task_rq_lock,
029632fbb7b7c9 kernel/sched.h Peter Zijlstra 2011-10-25 2459 * you need to do so manually before calling.
029632fbb7b7c9 kernel/sched.h Peter Zijlstra 2011-10-25 2460 */
029632fbb7b7c9 kernel/sched.h Peter Zijlstra 2011-10-25 @2461 static inline void double_rq_lock(struct rq *rq1, struct rq *rq2)
029632fbb7b7c9 kernel/sched.h Peter Zijlstra 2011-10-25 2462 __acquires(rq1->lock)
029632fbb7b7c9 kernel/sched.h Peter Zijlstra 2011-10-25 2463 __acquires(rq2->lock)
029632fbb7b7c9 kernel/sched.h Peter Zijlstra 2011-10-25 2464 {
029632fbb7b7c9 kernel/sched.h Peter Zijlstra 2011-10-25 2465 BUG_ON(!irqs_disabled());
029632fbb7b7c9 kernel/sched.h Peter Zijlstra 2011-10-25 2466 BUG_ON(rq1 != rq2);
b75054e70706ab kernel/sched/sched.h Peter Zijlstra 2021-03-02 2467 raw_spin_rq_lock(rq1);
029632fbb7b7c9 kernel/sched.h Peter Zijlstra 2011-10-25 2468 __acquire(rq2->lock); /* Fake it out ;) */
029632fbb7b7c9 kernel/sched.h Peter Zijlstra 2011-10-25 2469 }
029632fbb7b7c9 kernel/sched.h Peter Zijlstra 2011-10-25 2470
:::::: The code at line 2461 was first introduced by commit
:::::: 029632fbb7b7c9d85063cc9eb470de6c54873df3 sched: Make separate sched*.c translation units
:::::: TO: Peter Zijlstra <a.p.zijlstra@chello.nl>
:::::: CC: Ingo Molnar <mingo@elte.hu>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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next reply other threads:[~2021-03-02 17:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-02 17:23 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2021-03-02 16:44 [peterz-queue:sched/core-sched 41/42] fs/../kernel/sched/sched.h:2461:20: error: static declaration of 'double_rq_lock' follows non-static declaration kernel test robot
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