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Date: Fri, 5 May 2017 07:11:02 +0800
From: kbuild test robot <fengguang.wu@...el.com>
To: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc: kbuild-all@...org, linux-kernel@...r.kernel.org
Subject: [rcu:rcu/dev 90/90] include/linux/spinlock_api_smp.h:126:2: note: in
expansion of macro 'local_irq_disable'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/dev
head: 894c3990aadbe57e0e87f9d18307fa2a4e27af7f
commit: 894c3990aadbe57e0e87f9d18307fa2a4e27af7f [90/90] fixup! rcu: Move ktime needs to rcutiny.h and remove ktime.h from rcupdate.h
config: sparc64-defconfig (attached as .config)
compiler: sparc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 894c3990aadbe57e0e87f9d18307fa2a4e27af7f
# save the attached .config to linux build tree
make.cross ARCH=sparc64
All warnings (new ones prefixed by >>):
In file included from arch/sparc/include/asm/irqflags.h:4:0,
from include/linux/irqflags.h:15,
from include/linux/rcupdate.h:36,
from include/linux/init_task.h:4,
from init/init_task.c:1:
arch/sparc/include/asm/irqflags_64.h:17:23: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'unsigned'
static inline notrace unsigned long arch_local_save_flags(void)
^~~~~~~~
arch/sparc/include/asm/irqflags_64.h:29:23: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'void'
static inline notrace void arch_local_irq_restore(unsigned long flags)
^~~~
arch/sparc/include/asm/irqflags_64.h:39:23: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'void'
static inline notrace void arch_local_irq_disable(void)
^~~~
arch/sparc/include/asm/irqflags_64.h:49:23: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'void'
static inline notrace void arch_local_irq_enable(void)
^~~~
arch/sparc/include/asm/irqflags_64.h:59:23: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'int'
static inline notrace int arch_irqs_disabled_flags(unsigned long flags)
^~~
arch/sparc/include/asm/irqflags_64.h:64:23: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'int'
static inline notrace int arch_irqs_disabled(void)
^~~
arch/sparc/include/asm/irqflags_64.h:69:23: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'unsigned'
static inline notrace unsigned long arch_local_irq_save(void)
^~~~~~~~
In file included from include/linux/rcupdate.h:36:0,
from include/linux/init_task.h:4,
from init/init_task.c:1:
include/asm-generic/cmpxchg-local.h: In function '__cmpxchg_local_generic':
include/linux/irqflags.h:64:11: error: implicit declaration of function 'arch_local_irq_save' [-Werror=implicit-function-declaration]
flags = arch_local_irq_save(); \
^
include/asm-generic/cmpxchg-local.h:25:2: note: in expansion of macro 'raw_local_irq_save'
raw_local_irq_save(flags);
^~~~~~~~~~~~~~~~~~
include/linux/irqflags.h:69:3: error: implicit declaration of function 'arch_local_irq_restore' [-Werror=implicit-function-declaration]
arch_local_irq_restore(flags); \
^
include/asm-generic/cmpxchg-local.h:46:2: note: in expansion of macro 'raw_local_irq_restore'
raw_local_irq_restore(flags);
^~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/rcupdate.h:36:0,
from include/linux/init_task.h:4,
from init/init_task.c:1:
include/linux/spinlock_api_smp.h: In function '__raw_spin_lock_irq':
include/linux/irqflags.h:59:34: error: implicit declaration of function 'arch_local_irq_disable' [-Werror=implicit-function-declaration]
#define raw_local_irq_disable() arch_local_irq_disable()
^
include/linux/irqflags.h:121:34: note: in expansion of macro 'raw_local_irq_disable'
#define local_irq_disable() do { raw_local_irq_disable(); } while (0)
^~~~~~~~~~~~~~~~~~~~~
>> include/linux/spinlock_api_smp.h:126:2: note: in expansion of macro 'local_irq_disable'
local_irq_disable();
^~~~~~~~~~~~~~~~~
include/linux/spinlock_api_smp.h: In function '__raw_spin_unlock_irq':
include/linux/irqflags.h:60:33: error: implicit declaration of function 'arch_local_irq_enable' [-Werror=implicit-function-declaration]
#define raw_local_irq_enable() arch_local_irq_enable()
^
include/linux/irqflags.h:120:33: note: in expansion of macro 'raw_local_irq_enable'
#define local_irq_enable() do { raw_local_irq_enable(); } while (0)
^~~~~~~~~~~~~~~~~~~~
>> include/linux/spinlock_api_smp.h:168:2: note: in expansion of macro 'local_irq_enable'
local_irq_enable();
^~~~~~~~~~~~~~~~
In file included from arch/sparc/include/asm/bug.h:20:0,
from include/linux/bug.h:4,
from include/linux/thread_info.h:11,
from include/asm-generic/preempt.h:4,
from ./arch/sparc/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:80,
from include/linux/rcupdate.h:37,
from include/linux/init_task.h:4,
from init/init_task.c:1:
include/linux/dma-mapping.h: In function 'dma_free_attrs':
include/linux/irqflags.h:74:11: error: implicit declaration of function 'arch_local_save_flags' [-Werror=implicit-function-declaration]
flags = arch_local_save_flags(); \
^
include/asm-generic/bug.h:92:25: note: in definition of macro 'WARN_ON'
int __ret_warn_on = !!(condition); \
^~~~~~~~~
include/linux/irqflags.h:142:3: note: in expansion of macro 'raw_local_save_flags'
raw_local_save_flags(_flags); \
^~~~~~~~~~~~~~~~~~~~
include/linux/dma-mapping.h:505:10: note: in expansion of macro 'irqs_disabled'
WARN_ON(irqs_disabled());
^~~~~~~~~~~~~
include/linux/irqflags.h:79:3: error: implicit declaration of function 'arch_irqs_disabled_flags' [-Werror=implicit-function-declaration]
arch_irqs_disabled_flags(flags); \
^
include/asm-generic/bug.h:92:25: note: in definition of macro 'WARN_ON'
int __ret_warn_on = !!(condition); \
^~~~~~~~~
include/linux/irqflags.h:143:3: note: in expansion of macro 'raw_irqs_disabled_flags'
raw_irqs_disabled_flags(_flags); \
^~~~~~~~~~~~~~~~~~~~~~~
include/linux/dma-mapping.h:505:10: note: in expansion of macro 'irqs_disabled'
WARN_ON(irqs_disabled());
^~~~~~~~~~~~~
cc1: some warnings being treated as errors
--
In file included from arch/sparc/include/asm/irqflags.h:4:0,
from include/linux/irqflags.h:15,
from include/linux/rcupdate.h:36,
from lib/assoc_array.c:14:
arch/sparc/include/asm/irqflags_64.h:17:23: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'unsigned'
static inline notrace unsigned long arch_local_save_flags(void)
^~~~~~~~
arch/sparc/include/asm/irqflags_64.h:29:23: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'void'
static inline notrace void arch_local_irq_restore(unsigned long flags)
^~~~
arch/sparc/include/asm/irqflags_64.h:39:23: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'void'
static inline notrace void arch_local_irq_disable(void)
^~~~
arch/sparc/include/asm/irqflags_64.h:49:23: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'void'
static inline notrace void arch_local_irq_enable(void)
^~~~
arch/sparc/include/asm/irqflags_64.h:59:23: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'int'
static inline notrace int arch_irqs_disabled_flags(unsigned long flags)
^~~
arch/sparc/include/asm/irqflags_64.h:64:23: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'int'
static inline notrace int arch_irqs_disabled(void)
^~~
arch/sparc/include/asm/irqflags_64.h:69:23: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'unsigned'
static inline notrace unsigned long arch_local_irq_save(void)
^~~~~~~~
In file included from include/linux/rcupdate.h:36:0,
from lib/assoc_array.c:14:
include/asm-generic/cmpxchg-local.h: In function '__cmpxchg_local_generic':
include/linux/irqflags.h:64:11: error: implicit declaration of function 'arch_local_irq_save' [-Werror=implicit-function-declaration]
flags = arch_local_irq_save(); \
^
include/asm-generic/cmpxchg-local.h:25:2: note: in expansion of macro 'raw_local_irq_save'
raw_local_irq_save(flags);
^~~~~~~~~~~~~~~~~~
include/linux/irqflags.h:69:3: error: implicit declaration of function 'arch_local_irq_restore' [-Werror=implicit-function-declaration]
arch_local_irq_restore(flags); \
^
include/asm-generic/cmpxchg-local.h:46:2: note: in expansion of macro 'raw_local_irq_restore'
raw_local_irq_restore(flags);
^~~~~~~~~~~~~~~~~~~~~
include/linux/spinlock_api_smp.h: In function '__raw_spin_lock_irq':
include/linux/irqflags.h:59:34: error: implicit declaration of function 'arch_local_irq_disable' [-Werror=implicit-function-declaration]
#define raw_local_irq_disable() arch_local_irq_disable()
^
include/linux/irqflags.h:121:34: note: in expansion of macro 'raw_local_irq_disable'
#define local_irq_disable() do { raw_local_irq_disable(); } while (0)
^~~~~~~~~~~~~~~~~~~~~
>> include/linux/spinlock_api_smp.h:126:2: note: in expansion of macro 'local_irq_disable'
local_irq_disable();
^~~~~~~~~~~~~~~~~
include/linux/spinlock_api_smp.h: In function '__raw_spin_unlock_irq':
include/linux/irqflags.h:60:33: error: implicit declaration of function 'arch_local_irq_enable' [-Werror=implicit-function-declaration]
#define raw_local_irq_enable() arch_local_irq_enable()
^
include/linux/irqflags.h:120:33: note: in expansion of macro 'raw_local_irq_enable'
#define local_irq_enable() do { raw_local_irq_enable(); } while (0)
^~~~~~~~~~~~~~~~~~~~
>> include/linux/spinlock_api_smp.h:168:2: note: in expansion of macro 'local_irq_enable'
local_irq_enable();
^~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/local_irq_disable +126 include/linux/spinlock_api_smp.h
69d0ee73 Heiko Carstens 2009-08-31 120 #endif
69d0ee73 Heiko Carstens 2009-08-31 121 return flags;
69d0ee73 Heiko Carstens 2009-08-31 122 }
69d0ee73 Heiko Carstens 2009-08-31 123
9c1721aa Thomas Gleixner 2009-12-03 124 static inline void __raw_spin_lock_irq(raw_spinlock_t *lock)
69d0ee73 Heiko Carstens 2009-08-31 125 {
69d0ee73 Heiko Carstens 2009-08-31 @126 local_irq_disable();
69d0ee73 Heiko Carstens 2009-08-31 127 preempt_disable();
69d0ee73 Heiko Carstens 2009-08-31 128 spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
9828ea9d Thomas Gleixner 2009-12-03 129 LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock);
69d0ee73 Heiko Carstens 2009-08-31 130 }
69d0ee73 Heiko Carstens 2009-08-31 131
9c1721aa Thomas Gleixner 2009-12-03 132 static inline void __raw_spin_lock_bh(raw_spinlock_t *lock)
69d0ee73 Heiko Carstens 2009-08-31 133 {
9ea4c380 Peter Zijlstra 2013-11-19 134 __local_bh_disable_ip(_RET_IP_, SOFTIRQ_LOCK_OFFSET);
69d0ee73 Heiko Carstens 2009-08-31 135 spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
9828ea9d Thomas Gleixner 2009-12-03 136 LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock);
69d0ee73 Heiko Carstens 2009-08-31 137 }
69d0ee73 Heiko Carstens 2009-08-31 138
9c1721aa Thomas Gleixner 2009-12-03 139 static inline void __raw_spin_lock(raw_spinlock_t *lock)
69d0ee73 Heiko Carstens 2009-08-31 140 {
69d0ee73 Heiko Carstens 2009-08-31 141 preempt_disable();
69d0ee73 Heiko Carstens 2009-08-31 142 spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
9828ea9d Thomas Gleixner 2009-12-03 143 LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock);
69d0ee73 Heiko Carstens 2009-08-31 144 }
69d0ee73 Heiko Carstens 2009-08-31 145
ae58403f Chen Gang 2013-06-19 146 #endif /* !CONFIG_GENERIC_LOCKBREAK || CONFIG_DEBUG_LOCK_ALLOC */
69d0ee73 Heiko Carstens 2009-08-31 147
9c1721aa Thomas Gleixner 2009-12-03 148 static inline void __raw_spin_unlock(raw_spinlock_t *lock)
69d0ee73 Heiko Carstens 2009-08-31 149 {
69d0ee73 Heiko Carstens 2009-08-31 150 spin_release(&lock->dep_map, 1, _RET_IP_);
9828ea9d Thomas Gleixner 2009-12-03 151 do_raw_spin_unlock(lock);
69d0ee73 Heiko Carstens 2009-08-31 152 preempt_enable();
69d0ee73 Heiko Carstens 2009-08-31 153 }
69d0ee73 Heiko Carstens 2009-08-31 154
9c1721aa Thomas Gleixner 2009-12-03 155 static inline void __raw_spin_unlock_irqrestore(raw_spinlock_t *lock,
69d0ee73 Heiko Carstens 2009-08-31 156 unsigned long flags)
69d0ee73 Heiko Carstens 2009-08-31 157 {
69d0ee73 Heiko Carstens 2009-08-31 158 spin_release(&lock->dep_map, 1, _RET_IP_);
9828ea9d Thomas Gleixner 2009-12-03 159 do_raw_spin_unlock(lock);
69d0ee73 Heiko Carstens 2009-08-31 160 local_irq_restore(flags);
69d0ee73 Heiko Carstens 2009-08-31 161 preempt_enable();
69d0ee73 Heiko Carstens 2009-08-31 162 }
69d0ee73 Heiko Carstens 2009-08-31 163
9c1721aa Thomas Gleixner 2009-12-03 164 static inline void __raw_spin_unlock_irq(raw_spinlock_t *lock)
69d0ee73 Heiko Carstens 2009-08-31 165 {
69d0ee73 Heiko Carstens 2009-08-31 166 spin_release(&lock->dep_map, 1, _RET_IP_);
9828ea9d Thomas Gleixner 2009-12-03 167 do_raw_spin_unlock(lock);
69d0ee73 Heiko Carstens 2009-08-31 @168 local_irq_enable();
69d0ee73 Heiko Carstens 2009-08-31 169 preempt_enable();
69d0ee73 Heiko Carstens 2009-08-31 170 }
69d0ee73 Heiko Carstens 2009-08-31 171
:::::: The code at line 126 was first introduced by commit
:::::: 69d0ee7377eef808e34ba5542b554ec97244b871 locking: Move spinlock function bodies to header file
:::::: TO: Heiko Carstens <heiko.carstens@...ibm.com>
:::::: CC: Ingo Molnar <mingo@...e.hu>
---
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