linux-kernel - [tip:WIP.x86/entry 3/3] include/linux/irqflags.h:40:41: error: expected expression before ')' token

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Date:   Sat, 25 Jul 2020 20:21:26 +0800
From:   kernel test robot <lkp@...el.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        x86@...nel.org, Ingo Molnar <mingo@...nel.org>
Subject: [tip:WIP.x86/entry 3/3] include/linux/irqflags.h:40:41: error:
 expected expression before ')' token

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.x86/entry
head:   6ea7527a81333198dfb204c95e57e1891c61bfcd
commit: 6ea7527a81333198dfb204c95e57e1891c61bfcd [3/3] Merge branch 'locking/nmi' into x86/entry
config: x86_64-rhel-7.6-kselftests (attached as .config)
compiler: gcc-9 (Debian 9.3.0-14) 9.3.0
reproduce (this is a W=1 build):
        git checkout 6ea7527a81333198dfb204c95e57e1891c61bfcd
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   arch/x86/entry/common.c:184:24: warning: no previous prototype for 'do_SYSENTER_32' [-Wmissing-prototypes]
     184 | __visible noinstr long do_SYSENTER_32(struct pt_regs *regs)
         |                        ^~~~~~~~~~~~~~
   In file included from include/linux/rcupdate.h:26,
                    from include/linux/rculist.h:11,
                    from include/linux/pid.h:5,
                    from include/linux/sched.h:14,
                    from arch/x86/entry/common.c:11:
   arch/x86/entry/common.c: In function 'idtentry_enter_nmi':
>> include/linux/irqflags.h:40:41: error: expected expression before ')' token
      40 | # define lockdep_hardirqs_enabled(p) ((p)->hardirqs_enabled)
         |                                         ^
   arch/x86/entry/common.c:203:19: note: in expansion of macro 'lockdep_hardirqs_enabled'
     203 |  bool irq_state = lockdep_hardirqs_enabled();
         |                   ^~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/entry/common.c: At top level:
   arch/x86/entry/common.c:281:24: warning: no previous prototype for 'xen_pv_evtchn_do_upcall' [-Wmissing-prototypes]
     281 | __visible noinstr void xen_pv_evtchn_do_upcall(struct pt_regs *regs)
         |                        ^~~~~~~~~~~~~~~~~~~~~~~

vim +40 include/linux/irqflags.h

c3bc8fd637a962 Joel Fernandes (Google    2018-07-30  32) 
c3bc8fd637a962 Joel Fernandes (Google    2018-07-30  33) #ifdef CONFIG_TRACE_IRQFLAGS
0995a5dfbe49ba Thomas Gleixner           2020-03-04  34    extern void trace_hardirqs_on_prepare(void);
bf2b3008440072 Peter Zijlstra            2020-05-29  35    extern void trace_hardirqs_off_finish(void);
81d68a96a39844 Steven Rostedt            2008-05-12  36    extern void trace_hardirqs_on(void);
81d68a96a39844 Steven Rostedt            2008-05-12  37    extern void trace_hardirqs_off(void);
ef996916e78e03 Peter Zijlstra            2020-03-20  38  # define lockdep_hardirq_context(p)	((p)->hardirq_context)
ef996916e78e03 Peter Zijlstra            2020-03-20  39  # define lockdep_softirq_context(p)	((p)->softirq_context)
ef996916e78e03 Peter Zijlstra            2020-03-20 @40  # define lockdep_hardirqs_enabled(p)	((p)->hardirqs_enabled)
ef996916e78e03 Peter Zijlstra            2020-03-20  41  # define lockdep_softirqs_enabled(p)	((p)->softirqs_enabled)
2502ec37a7b228 Thomas Gleixner           2020-03-20  42  # define lockdep_hardirq_enter()		\
b09be676e0ff25 Byungchul Park            2017-08-07  43  do {						\
de8f5e4f2dc1f0 Peter Zijlstra            2020-03-21  44  	if (!current->hardirq_context++)	\
de8f5e4f2dc1f0 Peter Zijlstra            2020-03-21  45  		current->hardirq_threaded = 0;	\
de8f5e4f2dc1f0 Peter Zijlstra            2020-03-21  46  } while (0)
d5f744f9a2ac9c Linus Torvalds            2020-03-30  47  # define lockdep_hardirq_threaded()		\
de8f5e4f2dc1f0 Peter Zijlstra            2020-03-21  48  do {						\
de8f5e4f2dc1f0 Peter Zijlstra            2020-03-21  49  	current->hardirq_threaded = 1;		\
b09be676e0ff25 Byungchul Park            2017-08-07  50  } while (0)
2502ec37a7b228 Thomas Gleixner           2020-03-20  51  # define lockdep_hardirq_exit()			\
b09be676e0ff25 Byungchul Park            2017-08-07  52  do {						\
b09be676e0ff25 Byungchul Park            2017-08-07  53  	current->hardirq_context--;		\
b09be676e0ff25 Byungchul Park            2017-08-07  54  } while (0)
b09be676e0ff25 Byungchul Park            2017-08-07  55  # define lockdep_softirq_enter()		\
b09be676e0ff25 Byungchul Park            2017-08-07  56  do {						\
b09be676e0ff25 Byungchul Park            2017-08-07  57  	current->softirq_context++;		\
b09be676e0ff25 Byungchul Park            2017-08-07  58  } while (0)
b09be676e0ff25 Byungchul Park            2017-08-07  59  # define lockdep_softirq_exit()			\
b09be676e0ff25 Byungchul Park            2017-08-07  60  do {						\
b09be676e0ff25 Byungchul Park            2017-08-07  61  	current->softirq_context--;		\
b09be676e0ff25 Byungchul Park            2017-08-07  62  } while (0)
40db173965c05a Sebastian Andrzej Siewior 2020-03-21  63  

:::::: The code at line 40 was first introduced by commit
:::::: ef996916e78e03d25e56c2d372e5e21fdb471882 lockdep: Rename trace_{hard,soft}{irq_context,irqs_enabled}()

:::::: TO: Peter Zijlstra <peterz@...radead.org>
:::::: CC: Thomas Gleixner <tglx@...utronix.de>

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