Re: linux-next: build warning after merge of the tip tree

Peter Zijlstra
2026-01-07T21:54:13Z

On Wed, Jan 07, 2026 at 04:15:48PM +1100, Stephen Rothwell wrote:
> Hi all,
>
> After merging the tip tree, today's linux-next build (htmldocs) produced
> this warning:
>
> Documentation/core-api/kref:328: include/linux/kref.h:72: WARNING: Invalid C declaration: Expected end of definition. [error at 96]
> int kref_put_mutex (struct kref *kref, void (*release)(struct kref *kref), str
> uct mutex *mutex) __cond_acquires(true# mutex)
> ------------------------------------------------------------------------------------------------^
> Documentation/core-api/kref:328: include/linux/kref.h:94: WARNING: Invalid C declaration: Expected end of definition. [error at 92]
> int kref_put_lock (struct kref *kref, void (*release)(struct kref *kref), spinlock_t *lock) __cond_acquires(true# lock)
> --------------------------------------------------------------------------------------------^
>
> Introduced by commit
>
> 5e256db9325e ("kref: Add context-analysis annotations")

I really have no clue what that thing is on about. The code is fine and
works as intended.

My go-to fix for anything kdoc is to change '/**' into '/*' until it
goes away.