[Bug c/63567] Linux kernel build error due to non-static initializers

[sasha.levin at oracle dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63567

Sasha Levin <sasha.levin at oracle dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|FIXED                       |---

--- Comment #6 from Sasha Levin <sasha.levin at oracle dot com> ---
I'm still seeing the issue with the fix applied:

  CC      kernel/smpboot.o
In file included from include/linux/mutex.h:15:0,
                 from include/linux/kernfs.h:13,
                 from include/linux/sysfs.h:15,
                 from include/linux/kobject.h:21,
                 from include/linux/device.h:17,
                 from include/linux/node.h:17,
                 from include/linux/cpu.h:16,
                 from kernel/smpboot.c:4:
include/linux/spinlock_types.h:82:2: error: initializer element is not constant
  (spinlock_t ) __SPIN_LOCK_INITIALIZER(lockname)
  ^
include/linux/mutex.h:112:18: note: in expansion of macro
‘__SPIN_LOCK_UNLOCKED’
   , .wait_lock = __SPIN_LOCK_UNLOCKED(lockname.wait_lock) \
                  ^
include/linux/mutex.h:118:27: note: in expansion of macro ‘__MUTEX_INITIALIZER’
  struct mutex mutexname = __MUTEX_INITIALIZER(mutexname)
                           ^
kernel/smpboot.c:80:8: note: in expansion of macro ‘DEFINE_MUTEX’
 static DEFINE_MUTEX(smpboot_threads_lock);
        ^
include/linux/spinlock_types.h:82:2: note: (near initialization for
‘smpboot_threads_lock.wait_lock’)
  (spinlock_t ) __SPIN_LOCK_INITIALIZER(lockname)
  ^
include/linux/mutex.h:112:18: note: in expansion of macro
‘__SPIN_LOCK_UNLOCKED’
   , .wait_lock = __SPIN_LOCK_UNLOCKED(lockname.wait_lock) \
                  ^
include/linux/mutex.h:118:27: note: in expansion of macro ‘__MUTEX_INITIALIZER’
  struct mutex mutexname = __MUTEX_INITIALIZER(mutexname)
                           ^
kernel/smpboot.c:80:8: note: in expansion of macro ‘DEFINE_MUTEX’
 static DEFINE_MUTEX(smpboot_threads_lock);