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

[Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>]

Hi all,

After merging the tip tree, today's linux-next build (htmldocs) produced
this warning:

Documentation/x86/xstate.rst:15: WARNING: Title underline too short.

Using dynamically enabled XSTATE features in user space applications
-------------------------------------------------------------------

Introduced by commit

  93175ec299f8 ("Documentation/x86: Add documentation for using dynamic XSTATE features")

-- 
Cheers,
Stephen Rothwell

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