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    Subjectlinux-next: build failure after merge of the printk tree
    Hi all,

    After merging the printk tree, today's linux-next build (powerpc
    allyesconfig) failed like this:

    In file included from include/linux/printk.h:10,
    from include/linux/kernel.h:15,
    from include/asm-generic/bug.h:20,
    from arch/powerpc/include/asm/bug.h:109,
    from include/linux/bug.h:5,
    from arch/powerpc/include/asm/cmpxchg.h:8,
    from arch/powerpc/include/asm/atomic.h:11,
    from include/linux/atomic.h:7,
    from include/asm-generic/qspinlock_types.h:19,
    from arch/powerpc/include/asm/spinlock_types.h:10,
    from include/linux/spinlock_types.h:13,
    from include/linux/genalloc.h:32,
    from drivers/soc/fsl/qe/qe_common.c:16:
    include/linux/ratelimit_types.h:16:2: error: unknown type name 'raw_spinlock_t'
    16 | raw_spinlock_t lock; /* protect the state */
    | ^~~~~~~~~~~~~~
    In file included from include/linux/wait.h:9,
    from include/linux/pid.h:6,
    from include/linux/sched.h:14,
    from include/linux/ratelimit.h:6,
    from include/linux/dev_printk.h:16,
    from include/linux/device.h:15,
    from include/linux/node.h:18,
    from include/linux/cpu.h:17,
    from include/linux/of_device.h:5,
    from drivers/soc/fsl/qe/qe_common.c:19:
    include/linux/ratelimit.h: In function 'ratelimit_state_init':
    include/linux/ratelimit.h:14:21: error: passing argument 1 of '__raw_spin_lock_init' from incompatible pointer type [-Werror=incompatible-pointer-types]
    14 | raw_spin_lock_init(&rs->lock);
    include/linux/spinlock.h:103:24: note: in definition of macro 'raw_spin_lock_init'
    103 | __raw_spin_lock_init((lock), #lock, &__key, LD_WAIT_SPIN); \
    | ^~~~
    include/linux/spinlock.h:96:52: note: expected 'raw_spinlock_t *' {aka 'struct raw_spinlock *'} but argument is of type 'int *'
    96 | extern void __raw_spin_lock_init(raw_spinlock_t *lock, const char *name,
    | ~~~~~~~~~~~~~~~~^~~~
    In file included from arch/powerpc/include/asm/cmpxchg.h:8,
    from arch/powerpc/include/asm/atomic.h:11,
    from include/linux/atomic.h:7,
    from include/asm-generic/qspinlock_types.h:19,
    from arch/powerpc/include/asm/spinlock_types.h:10,
    from include/linux/spinlock_types.h:13,
    from include/linux/ratelimit_types.h:7,
    from include/linux/printk.h:10,
    from include/linux/kernel.h:15,
    from include/asm-generic/bug.h:20,
    from arch/powerpc/include/asm/bug.h:109,
    from drivers/block/drbd/drbd_interval.c:2:
    include/linux/bug.h:34:47: warning: 'struct bug_entry' declared inside parameter list will not be visible outside of this definition or declaration
    34 | static inline int is_warning_bug(const struct bug_entry *bug)
    | ^~~~~~~~~
    include/linux/bug.h: In function 'is_warning_bug':
    include/linux/bug.h:36:12: error: dereferencing pointer to incomplete type 'const struct bug_entry'
    36 | return bug->flags & BUGFLAG_WARNING;
    | ^~

    And another similar.

    Caused by commit

    b4a461e72bcb ("printk: Make linux/printk.h self-contained")

    This is becoming a bit of a whack-a-mole :-(

    I have reverted that commit for today.
    --
    Cheers,
    Stephen Rothwell
    [unhandled content-type:application/pgp-signature]
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