[tip:WIP.sched/core 133/133] include/linux/wait.h:41:2: error: unknown type name 'spinlock_t'

From: kbuild test robot
Date: Fri Feb 03 2017 - 11:20:55 EST

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tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.sched/core
head: 9a631ea4bdc4d7a7faabc4a98d632f39573a9a8d
commit: 9a631ea4bdc4d7a7faabc4a98d632f39573a9a8d [133/133] sched/headers: Split <linux/sched/fork.h> out of <linux/sched.h>
config: mips-bigsur_defconfig (attached as .config)
compiler: mips64-linux-gnuabi64-gcc (Debian 6.1.1-9) 6.1.1 20160705
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
git checkout 9a631ea4bdc4d7a7faabc4a98d632f39573a9a8d
# save the attached .config to linux build tree
make.cross ARCH=mips

All error/warnings (new ones prefixed by >>):

In file included from include/linux/completion.h:11:0,
from include/linux/rcupdate.h:43,
from include/linux/rbtree.h:34,
from include/linux/mm_types.h:9,
from include/linux/sched.h:9,
from include/linux/sched/fork.h:8,
from arch/mips/include/asm/processor.h:17,
from arch/mips/include/asm/thread_info.h:15,
from include/linux/thread_info.h:25,
from include/asm-generic/preempt.h:4,
from ./arch/mips/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:59,
from include/linux/spinlock.h:50,
from include/linux/seqlock.h:35,
from include/linux/time.h:5,
from include/linux/stat.h:18,
from include/linux/compat.h:12,
from arch/mips/kernel/asm-offsets.c:11:
>> include/linux/wait.h:41:2: error: unknown type name 'spinlock_t'
spinlock_t lock;
^~~~~~~~~~
In file included from include/linux/timex.h:56:0,
from include/linux/jiffies.h:8,
from include/linux/ktime.h:25,
from include/linux/rcupdate.h:47,
from include/linux/rbtree.h:34,
from include/linux/mm_types.h:9,
from include/linux/sched.h:9,
from include/linux/sched/fork.h:8,
from arch/mips/include/asm/processor.h:17,
from arch/mips/include/asm/thread_info.h:15,
from include/linux/thread_info.h:25,
from include/asm-generic/preempt.h:4,
from ./arch/mips/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:59,
from include/linux/spinlock.h:50,
from include/linux/seqlock.h:35,
from include/linux/time.h:5,
from include/linux/stat.h:18,
from include/linux/compat.h:12,
from arch/mips/kernel/asm-offsets.c:11:
>> include/uapi/linux/timex.h:76:17: error: field 'time' has incomplete type
struct timeval time; /* (read only, except for ADJ_SETOFFSET) */
^~~~
In file included from include/linux/smp.h:59:0,
from arch/mips/include/asm/cpu-type.h:12,
from arch/mips/include/asm/timex.h:19,
from include/linux/timex.h:65,
from include/linux/jiffies.h:8,
from include/linux/ktime.h:25,
from include/linux/rcupdate.h:47,
from include/linux/rbtree.h:34,
from include/linux/mm_types.h:9,
from include/linux/sched.h:9,
from include/linux/sched/fork.h:8,
from arch/mips/include/asm/processor.h:17,
from arch/mips/include/asm/thread_info.h:15,
from include/linux/thread_info.h:25,
from include/asm-generic/preempt.h:4,
from ./arch/mips/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:59,
from include/linux/spinlock.h:50,
from include/linux/seqlock.h:35,
from include/linux/time.h:5,
from include/linux/stat.h:18,
from include/linux/compat.h:12,
from arch/mips/kernel/asm-offsets.c:11:
arch/mips/include/asm/cpu-type.h: In function 'current_cpu_type':
>> arch/mips/include/asm/smp.h:28:33: error: implicit declaration of function 'current_thread_info' [-Werror=implicit-function-declaration]
#define raw_smp_processor_id() (current_thread_info()->cpu)
^
>> include/linux/smp.h:182:29: note: in expansion of macro 'raw_smp_processor_id'
# define smp_processor_id() raw_smp_processor_id()
^~~~~~~~~~~~~~~~~~~~
>> arch/mips/include/asm/cpu-info.h:115:35: note: in expansion of macro 'smp_processor_id'
#define current_cpu_data cpu_data[smp_processor_id()]
^~~~~~~~~~~~~~~~
>> arch/mips/include/asm/cpu-type.h:222:23: note: in expansion of macro 'current_cpu_data'
const int cpu_type = current_cpu_data.cputype;
^~~~~~~~~~~~~~~~
>> arch/mips/include/asm/smp.h:28:54: error: invalid type argument of '->' (have 'int')
#define raw_smp_processor_id() (current_thread_info()->cpu)
^
>> include/linux/smp.h:182:29: note: in expansion of macro 'raw_smp_processor_id'
# define smp_processor_id() raw_smp_processor_id()
^~~~~~~~~~~~~~~~~~~~
>> arch/mips/include/asm/cpu-info.h:115:35: note: in expansion of macro 'smp_processor_id'
#define current_cpu_data cpu_data[smp_processor_id()]
^~~~~~~~~~~~~~~~
>> arch/mips/include/asm/cpu-type.h:222:23: note: in expansion of macro 'current_cpu_data'
const int cpu_type = current_cpu_data.cputype;
^~~~~~~~~~~~~~~~
In file included from include/linux/jiffies.h:8:0,
from include/linux/ktime.h:25,
from include/linux/rcupdate.h:47,
from include/linux/rbtree.h:34,
from include/linux/mm_types.h:9,
from include/linux/sched.h:9,
from include/linux/sched/fork.h:8,
from arch/mips/include/asm/processor.h:17,
from arch/mips/include/asm/thread_info.h:15,
from include/linux/thread_info.h:25,
from include/asm-generic/preempt.h:4,
from ./arch/mips/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:59,
from include/linux/spinlock.h:50,
from include/linux/seqlock.h:35,
from include/linux/time.h:5,
from include/linux/stat.h:18,
from include/linux/compat.h:12,
from arch/mips/kernel/asm-offsets.c:11:
include/linux/timex.h: At top level:
>> include/linux/timex.h:155:34: warning: 'struct timespec64' declared inside parameter list will not be visible outside of this definition or declaration
extern void hardpps(const struct timespec64 *, const struct timespec64 *);
^~~~~~~~~~
In file included from include/linux/ktime.h:25:0,
from include/linux/rcupdate.h:47,
from include/linux/rbtree.h:34,
from include/linux/mm_types.h:9,
from include/linux/sched.h:9,
from include/linux/sched/fork.h:8,
from arch/mips/include/asm/processor.h:17,
from arch/mips/include/asm/thread_info.h:15,
from include/linux/thread_info.h:25,
from include/asm-generic/preempt.h:4,
from ./arch/mips/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:59,
from include/linux/spinlock.h:50,
from include/linux/seqlock.h:35,
from include/linux/time.h:5,
from include/linux/stat.h:18,
from include/linux/compat.h:12,
from arch/mips/kernel/asm-offsets.c:11:
>> include/linux/jiffies.h:261:10: warning: "NSEC_PER_SEC" is not defined [-Wundef]
#if !((((NSEC_PER_SEC << 2) / TICK_NSEC) << (SEC_JIFFIE_SC - 2)) & 0x80000000)
^~~~~~~~~~~~
include/linux/jiffies.h:61:21: warning: "NSEC_PER_SEC" is not defined [-Wundef]
#define TICK_NSEC ((NSEC_PER_SEC+HZ/2)/HZ)
^
>> include/linux/jiffies.h:261:31: note: in expansion of macro 'TICK_NSEC'
#if !((((NSEC_PER_SEC << 2) / TICK_NSEC) << (SEC_JIFFIE_SC - 2)) & 0x80000000)
^~~~~~~~~
>> include/linux/jiffies.h:61:39: error: division by zero in #if
#define TICK_NSEC ((NSEC_PER_SEC+HZ/2)/HZ)
^
>> include/linux/jiffies.h:261:31: note: in expansion of macro 'TICK_NSEC'
#if !((((NSEC_PER_SEC << 2) / TICK_NSEC) << (SEC_JIFFIE_SC - 2)) & 0x80000000)
^~~~~~~~~
include/linux/jiffies.h: In function 'jiffies_to_nsecs':
>> include/linux/jiffies.h:293:36: error: 'NSEC_PER_USEC' undeclared (first use in this function)
return (u64)jiffies_to_usecs(j) * NSEC_PER_USEC;
^~~~~~~~~~~~~
include/linux/jiffies.h:293:36: note: each undeclared identifier is reported only once for each function it appears in
include/linux/jiffies.h: At top level:
>> include/linux/jiffies.h:299:11: warning: "MSEC_PER_SEC" is not defined [-Wundef]
#if HZ <= MSEC_PER_SEC && !(MSEC_PER_SEC % HZ)
^~~~~~~~~~~~
include/linux/jiffies.h:309:12: warning: "MSEC_PER_SEC" is not defined [-Wundef]
#elif HZ > MSEC_PER_SEC && !(HZ % MSEC_PER_SEC)
^~~~~~~~~~~~
include/linux/jiffies.h:309:35: warning: "MSEC_PER_SEC" is not defined [-Wundef]
#elif HZ > MSEC_PER_SEC && !(HZ % MSEC_PER_SEC)
^~~~~~~~~~~~
include/linux/jiffies.h:309:33: error: division by zero in #if
#elif HZ > MSEC_PER_SEC && !(HZ % MSEC_PER_SEC)
^
include/linux/jiffies.h: In function '_msecs_to_jiffies':
>> include/linux/jiffies.h:329:11: error: 'MSEC_PER_SEC' undeclared (first use in this function)
if (HZ > MSEC_PER_SEC && m > jiffies_to_msecs(MAX_JIFFY_OFFSET))
^~~~~~~~~~~~
include/linux/jiffies.h: At top level:
>> include/linux/jiffies.h:372:7: warning: "USEC_PER_SEC" is not defined [-Wundef]
#if !(USEC_PER_SEC % HZ)
^~~~~~~~~~~~
include/linux/jiffies.h: In function '_usecs_to_jiffies':
>> include/linux/jiffies.h:375:15: error: 'USEC_PER_SEC' undeclared (first use in this function)
return (u + (USEC_PER_SEC / HZ) - 1) / (USEC_PER_SEC / HZ);
^~~~~~~~~~~~
include/linux/jiffies.h: At top level:

vim +/spinlock_t +41 include/linux/wait.h

^1da177e Linus Torvalds 2005-04-16 35 struct wait_bit_queue {
^1da177e Linus Torvalds 2005-04-16 36 struct wait_bit_key key;
^1da177e Linus Torvalds 2005-04-16 37 wait_queue_t wait;
^1da177e Linus Torvalds 2005-04-16 38 };
^1da177e Linus Torvalds 2005-04-16 39
^1da177e Linus Torvalds 2005-04-16 40 struct __wait_queue_head {
^1da177e Linus Torvalds 2005-04-16 @41 spinlock_t lock;
^1da177e Linus Torvalds 2005-04-16 42 struct list_head task_list;
^1da177e Linus Torvalds 2005-04-16 43 };
^1da177e Linus Torvalds 2005-04-16 44 typedef struct __wait_queue_head wait_queue_head_t;

:::::: The code at line 41 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>

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Next message: Miroslav Benes: "Re: [PATCH v4 13/15] livepatch: change to a per-task consistency model"
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