linux-kernel - Re: linux-next: build warning after merge of the drm-intel-fixes tree

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Date:   Thu, 8 Apr 2021 12:38:52 +0200
From:   Daniel Vetter <daniel@...ll.ch>
To:     Imre Deak <imre.deak@...el.com>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Intel Graphics <intel-gfx@...ts.freedesktop.org>,
        DRI <dri-devel@...ts.freedesktop.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the drm-intel-fixes tree

On Mon, Mar 29, 2021 at 09:23:35PM +0300, Imre Deak wrote:
> Hi Stephen,
> 
> thanks for the report.
> 
> On Mon, Mar 29, 2021 at 09:01:17AM +1100, Stephen Rothwell wrote:
> > Hi all,
> > 
> > On Fri, 26 Mar 2021 19:58:38 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> > >
> > > After merging the drm-intel-fixes tree, today's linux-next build
> > > (htmldocs) produced this warning:
> > > 
> > > Documentation/gpu/i915:22: /drivers/gpu/drm/i915/intel_runtime_pm.c:423: WARNING: Inline strong start-string without end-string.
> 
> The problem seems to be the
> 
> 	@ignore_usecount=true
> 
> part in __intel_runtime_pm_get_if_active()'s docbook documentation. I
> can't see the problem with it, it was meant as a reference to the
> function parameter, granted I'm not sure what's the proper markup syntax
> for this.
> 
> I will follow up with the following change which suppresses the warning
> and renders the html as expected unless someone can suggest a better
> way:
> 
> - * If @ignore_usecount=true, a reference will be acquired even if there is no
> + * If @ignore_usecount is true, a reference will be acquired even if there is no

Yeah you can't just use most pseudo-code in kerneldoc because it's
interpreted as raw .rst. So would need some .rst quoting of some sorts to
make it render correctly.

Usually for pseudo-code I go with blockquotes (started with :: at the end
of the previous line, plus indenting), that gives you also a nice
fixed-width font and everything.

Aside from the hyperlink stuff plain English works best in the text parts.
-Daniel

> 
> --Imre
> 
> > > 
> > > Introduced by commit
> > > 
> > >   8840e3bd981f ("drm/i915: Fix the GT fence revocation runtime PM logic")
> > 
> > This warning now exists in Linus' tree.
> > 
> > -- 
> > Cheers,
> > Stephen Rothwell
> 
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch