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Message-ID: <201611040028.tdLmuVrI%fengguang.wu@intel.com>
Date: Fri, 4 Nov 2016 00:22:52 +0800
From: kbuild test robot <lkp@...el.com>
To: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc: kbuild-all@...org, linux-kernel@...r.kernel.org, rt@...utronix.de,
Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
Tony Luck <tony.luck@...el.com>,
Fenghua Yu <fenghua.yu@...el.com>, linux-ia64@...r.kernel.org,
Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 16/25] ia64/salinfo: Convert to hotplug state machine
Hi Sebastian,
[auto build test WARNING on linus/master]
[also build test WARNING on v4.9-rc3]
[cannot apply to next-20161028]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Sebastian-Andrzej-Siewior/fs-buffer-Convert-to-hotplug-state-machine/20161103-230222
config: ia64-allnoconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 6.2.0
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
# save the attached .config to linux build tree
make.cross ARCH=ia64
All warnings (new ones prefixed by >>):
In file included from include/linux/kernel.h:12:0,
from include/linux/list.h:8,
from include/linux/kobject.h:20,
from include/linux/device.h:17,
from include/linux/node.h:17,
from include/linux/cpu.h:16,
from arch/ia64/kernel/salinfo.c:40:
arch/ia64/kernel/salinfo.c: In function 'salinfo_cpu_pre_down':
arch/ia64/kernel/salinfo.c:572:38: error: 'flags' undeclared (first use in this function)
spin_lock_irqsave(&data_saved_lock, flags);
^
include/linux/typecheck.h:10:9: note: in definition of macro 'typecheck'
typeof(x) __dummy2; \
^
include/linux/spinlock.h:337:2: note: in expansion of macro 'raw_spin_lock_irqsave'
raw_spin_lock_irqsave(spinlock_check(lock), flags); \
^~~~~~~~~~~~~~~~~~~~~
arch/ia64/kernel/salinfo.c:572:2: note: in expansion of macro 'spin_lock_irqsave'
spin_lock_irqsave(&data_saved_lock, flags);
^~~~~~~~~~~~~~~~~
arch/ia64/kernel/salinfo.c:572:38: note: each undeclared identifier is reported only once for each function it appears in
spin_lock_irqsave(&data_saved_lock, flags);
^
include/linux/typecheck.h:10:9: note: in definition of macro 'typecheck'
typeof(x) __dummy2; \
^
include/linux/spinlock.h:337:2: note: in expansion of macro 'raw_spin_lock_irqsave'
raw_spin_lock_irqsave(spinlock_check(lock), flags); \
^~~~~~~~~~~~~~~~~~~~~
arch/ia64/kernel/salinfo.c:572:2: note: in expansion of macro 'spin_lock_irqsave'
spin_lock_irqsave(&data_saved_lock, flags);
^~~~~~~~~~~~~~~~~
include/linux/typecheck.h:11:18: warning: comparison of distinct pointer types lacks a cast
(void)(&__dummy == &__dummy2); \
^
include/linux/spinlock.h:229:3: note: in expansion of macro 'typecheck'
typecheck(unsigned long, flags); \
^~~~~~~~~
include/linux/spinlock.h:337:2: note: in expansion of macro 'raw_spin_lock_irqsave'
raw_spin_lock_irqsave(spinlock_check(lock), flags); \
^~~~~~~~~~~~~~~~~~~~~
arch/ia64/kernel/salinfo.c:572:2: note: in expansion of macro 'spin_lock_irqsave'
spin_lock_irqsave(&data_saved_lock, flags);
^~~~~~~~~~~~~~~~~
include/linux/typecheck.h:11:18: warning: comparison of distinct pointer types lacks a cast
(void)(&__dummy == &__dummy2); \
^
>> include/linux/irqflags.h:63:3: note: in expansion of macro 'typecheck'
typecheck(unsigned long, flags); \
^~~~~~~~~
include/linux/irqflags.h:124:3: note: in expansion of macro 'raw_local_irq_save'
raw_local_irq_save(flags); \
^~~~~~~~~~~~~~~~~~
include/linux/spinlock_api_up.h:40:8: note: in expansion of macro 'local_irq_save'
do { local_irq_save(flags); __LOCK(lock); } while (0)
^~~~~~~~~~~~~~
include/linux/spinlock_api_up.h:69:45: note: in expansion of macro '__LOCK_IRQSAVE'
#define _raw_spin_lock_irqsave(lock, flags) __LOCK_IRQSAVE(lock, flags)
^~~~~~~~~~~~~~
include/linux/spinlock.h:230:3: note: in expansion of macro '_raw_spin_lock_irqsave'
_raw_spin_lock_irqsave(lock, flags); \
^~~~~~~~~~~~~~~~~~~~~~
include/linux/spinlock.h:337:2: note: in expansion of macro 'raw_spin_lock_irqsave'
raw_spin_lock_irqsave(spinlock_check(lock), flags); \
^~~~~~~~~~~~~~~~~~~~~
arch/ia64/kernel/salinfo.c:572:2: note: in expansion of macro 'spin_lock_irqsave'
spin_lock_irqsave(&data_saved_lock, flags);
^~~~~~~~~~~~~~~~~
vim +/typecheck +63 include/linux/irqflags.h
6cd8a4bb Steven Rostedt 2008-05-12 47 #if defined(CONFIG_IRQSOFF_TRACER) || \
6cd8a4bb Steven Rostedt 2008-05-12 48 defined(CONFIG_PREEMPT_TRACER)
81d68a96 Steven Rostedt 2008-05-12 49 extern void stop_critical_timings(void);
81d68a96 Steven Rostedt 2008-05-12 50 extern void start_critical_timings(void);
81d68a96 Steven Rostedt 2008-05-12 51 #else
81d68a96 Steven Rostedt 2008-05-12 52 # define stop_critical_timings() do { } while (0)
81d68a96 Steven Rostedt 2008-05-12 53 # define start_critical_timings() do { } while (0)
81d68a96 Steven Rostedt 2008-05-12 54 #endif
81d68a96 Steven Rostedt 2008-05-12 55
df9ee292 David Howells 2010-10-07 56 /*
df9ee292 David Howells 2010-10-07 57 * Wrap the arch provided IRQ routines to provide appropriate checks.
df9ee292 David Howells 2010-10-07 58 */
df9ee292 David Howells 2010-10-07 59 #define raw_local_irq_disable() arch_local_irq_disable()
df9ee292 David Howells 2010-10-07 60 #define raw_local_irq_enable() arch_local_irq_enable()
df9ee292 David Howells 2010-10-07 61 #define raw_local_irq_save(flags) \
df9ee292 David Howells 2010-10-07 62 do { \
df9ee292 David Howells 2010-10-07 @63 typecheck(unsigned long, flags); \
df9ee292 David Howells 2010-10-07 64 flags = arch_local_irq_save(); \
df9ee292 David Howells 2010-10-07 65 } while (0)
df9ee292 David Howells 2010-10-07 66 #define raw_local_irq_restore(flags) \
df9ee292 David Howells 2010-10-07 67 do { \
df9ee292 David Howells 2010-10-07 68 typecheck(unsigned long, flags); \
df9ee292 David Howells 2010-10-07 69 arch_local_irq_restore(flags); \
df9ee292 David Howells 2010-10-07 70 } while (0)
df9ee292 David Howells 2010-10-07 71 #define raw_local_save_flags(flags) \
:::::: The code at line 63 was first introduced by commit
:::::: df9ee29270c11dba7d0fe0b83ce47a4d8e8d2101 Fix IRQ flag handling naming
:::::: TO: David Howells <dhowells@...hat.com>
:::::: CC: David Howells <dhowells@...hat.com>
---
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