* [rcu:dev.2017.05.04c 87/92] include/linux/spinlock_api_smp.h:160:2: note: in expansion of macro 'local_irq_restore'
@ 2017-05-06 13:33 kbuild test robot
2017-05-06 16:29 ` Paul E. McKenney
0 siblings, 1 reply; 2+ messages in thread
From: kbuild test robot @ 2017-05-06 13:33 UTC (permalink / raw)
To: Paul E. McKenney; +Cc: kbuild-all, linux-kernel
[-- Attachment #1: Type: text/plain, Size: 13182 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2017.05.04c
head: b015d142a08cdd2b69b9a59dd664a14a64e383bb
commit: 7683511c453ce2bb1b7d30fde281ecdacca04f6b [87/92] rcu: Move ktime needs to rcutiny.h and remove ktime.h from rcupdate.h
config: sparc64-allmodconfig (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 7683511c453ce2bb1b7d30fde281ecdacca04f6b
# 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 net/ipv4/tcp_metrics.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 net/ipv4/tcp_metrics.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);
^~~~~~~~~~~~~~~~~~~~~
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:92:7: note: in expansion of macro 'raw_local_irq_disable'
do { raw_local_irq_disable(); trace_hardirqs_off(); } 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_irqrestore':
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/linux/irqflags.h:102:7: note: in expansion of macro 'raw_irqs_disabled_flags'
if (raw_irqs_disabled_flags(flags)) { \
^~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/spinlock_api_smp.h:160:2: note: in expansion of macro 'local_irq_restore'
local_irq_restore(flags);
^~~~~~~~~~~~~~~~~
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:90:28: note: in expansion of macro 'raw_local_irq_enable'
do { trace_hardirqs_on(); 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 net/ipv4/tcp_metrics.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());
^~~~~~~~~~~~~
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);
^~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/rcupdate.h:36:0,
from lib/assoc_array.c:14:
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:92:7: note: in expansion of macro 'raw_local_irq_disable'
do { raw_local_irq_disable(); trace_hardirqs_off(); } 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_irqrestore':
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/linux/irqflags.h:102:7: note: in expansion of macro 'raw_irqs_disabled_flags'
if (raw_irqs_disabled_flags(flags)) { \
^~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/spinlock_api_smp.h:160:2: note: in expansion of macro 'local_irq_restore'
local_irq_restore(flags);
^~~~~~~~~~~~~~~~~
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:90:28: note: in expansion of macro 'raw_local_irq_enable'
do { trace_hardirqs_on(); 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_restore +160 include/linux/spinlock_api_smp.h
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();
:::::: The code at line 160 was first introduced by commit
:::::: 69d0ee7377eef808e34ba5542b554ec97244b871 locking: Move spinlock function bodies to header file
:::::: TO: Heiko Carstens <heiko.carstens@de.ibm.com>
:::::: CC: Ingo Molnar <mingo@elte.hu>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 49567 bytes --]
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [rcu:dev.2017.05.04c 87/92] include/linux/spinlock_api_smp.h:160:2: note: in expansion of macro 'local_irq_restore'
2017-05-06 13:33 [rcu:dev.2017.05.04c 87/92] include/linux/spinlock_api_smp.h:160:2: note: in expansion of macro 'local_irq_restore' kbuild test robot
@ 2017-05-06 16:29 ` Paul E. McKenney
0 siblings, 0 replies; 2+ messages in thread
From: Paul E. McKenney @ 2017-05-06 16:29 UTC (permalink / raw)
To: kbuild test robot; +Cc: kbuild-all, linux-kernel
On Sat, May 06, 2017 at 09:33:37PM +0800, kbuild test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2017.05.04c
> head: b015d142a08cdd2b69b9a59dd664a14a64e383bb
> commit: 7683511c453ce2bb1b7d30fde281ecdacca04f6b [87/92] rcu: Move ktime needs to rcutiny.h and remove ktime.h from rcupdate.h
> config: sparc64-allmodconfig (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 7683511c453ce2bb1b7d30fde281ecdacca04f6b
> # save the attached .config to linux build tree
> make.cross ARCH=sparc64
>
> All warnings (new ones prefixed by >>):
I believe that this one is fixed by 2b51535e5469 ("rcu: Refactor #includes
from include/linux/rcupdate.h"), which includes compiler.h.
The earlier reports were -very- helpful, however! Some day I am going
to have to get cross-compilation set up on my systems, but in the
meantime... ;-)
Thanx, Paul
> 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 net/ipv4/tcp_metrics.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 net/ipv4/tcp_metrics.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);
> ^~~~~~~~~~~~~~~~~~~~~
> 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:92:7: note: in expansion of macro 'raw_local_irq_disable'
> do { raw_local_irq_disable(); trace_hardirqs_off(); } 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_irqrestore':
> 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/linux/irqflags.h:102:7: note: in expansion of macro 'raw_irqs_disabled_flags'
> if (raw_irqs_disabled_flags(flags)) { \
> ^~~~~~~~~~~~~~~~~~~~~~~
> >> include/linux/spinlock_api_smp.h:160:2: note: in expansion of macro 'local_irq_restore'
> local_irq_restore(flags);
> ^~~~~~~~~~~~~~~~~
> 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:90:28: note: in expansion of macro 'raw_local_irq_enable'
> do { trace_hardirqs_on(); 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 net/ipv4/tcp_metrics.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());
> ^~~~~~~~~~~~~
> 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);
> ^~~~~~~~~~~~~~~~~~~~~
> In file included from include/linux/rcupdate.h:36:0,
> from lib/assoc_array.c:14:
> 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:92:7: note: in expansion of macro 'raw_local_irq_disable'
> do { raw_local_irq_disable(); trace_hardirqs_off(); } 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_irqrestore':
> 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/linux/irqflags.h:102:7: note: in expansion of macro 'raw_irqs_disabled_flags'
> if (raw_irqs_disabled_flags(flags)) { \
> ^~~~~~~~~~~~~~~~~~~~~~~
> >> include/linux/spinlock_api_smp.h:160:2: note: in expansion of macro 'local_irq_restore'
> local_irq_restore(flags);
> ^~~~~~~~~~~~~~~~~
> 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:90:28: note: in expansion of macro 'raw_local_irq_enable'
> do { trace_hardirqs_on(); 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_restore +160 include/linux/spinlock_api_smp.h
>
> 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();
>
> :::::: The code at line 160 was first introduced by commit
> :::::: 69d0ee7377eef808e34ba5542b554ec97244b871 locking: Move spinlock function bodies to header file
>
> :::::: TO: Heiko Carstens <heiko.carstens@de.ibm.com>
> :::::: CC: Ingo Molnar <mingo@elte.hu>
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation
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2017-05-06 13:33 [rcu:dev.2017.05.04c 87/92] include/linux/spinlock_api_smp.h:160:2: note: in expansion of macro 'local_irq_restore' kbuild test robot
2017-05-06 16:29 ` Paul E. McKenney
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