linux-kernel - Re: [PATCH 5/6] Documentation: tracing: Add %return suffix description

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Date:   Tue, 1 Sep 2020 14:46:56 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Jonathan Corbet <corbet@....net>, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org
Subject: Re: [PATCH 5/6] Documentation: tracing: Add %return suffix
 description

On Tue, 1 Sep 2020 07:27:45 +0900
Masami Hiramatsu <mhiramat@...nel.org> wrote:

> On Mon, 31 Aug 2020 11:50:20 -0700
> Randy Dunlap <rdunlap@...radead.org> wrote:
> 
> > On 8/31/20 5:46 AM, Masami Hiramatsu wrote:
> > > Add a description of the %return suffix option for kprobe tracer.
> > > 
> > > Signed-off-by: Masami Hiramatsu <mhiramat@...nel.org>
> > > ---
> > >  Documentation/trace/kprobetrace.rst |    2 ++
> > >  1 file changed, 2 insertions(+)
> > > 
> > > diff --git a/Documentation/trace/kprobetrace.rst b/Documentation/trace/kprobetrace.rst
> > > index c1709165c553..d29d1f9e6721 100644
> > > --- a/Documentation/trace/kprobetrace.rst
> > > +++ b/Documentation/trace/kprobetrace.rst
> > 
> > Check spacing:
> > 
> > > @@ -37,6 +38,7 @@ Synopsis of kprobe_events
> > >  		  based on SYM+offs or MEMADDR.
> > >   MOD		: Module name which has given SYM.
> > >   SYM[+offs]	: Symbol+offset where the probe is inserted.
> > > + SYM%return     : Return address of the symbol
> > >   MEMADDR	: Address where the probe is inserted.
> > >   MAXACTIVE	: Maximum number of instances of the specified function that
> > >  		  can be probed simultaneously, or 0 for the default value
> > 
> > If I remove the '+', the ':' lines up but the SYM does not line up.
> > Am I missing something?
> > 
> > @@ -37,6 +38,7 @@ Synopsis of kprobe_events
> >  		  based on SYM+offs or MEMADDR.
> >   MOD		: Module name which has given SYM.
> >   SYM[+offs]	: Symbol+offset where the probe is inserted.
> >  SYM%return     : Return address of the symbol
> >   MEMADDR	: Address where the probe is inserted.
> >   MAXACTIVE	: Maximum number of instances of the specified function that
> >  		  can be probed simultaneously, or 0 for the default value
> > 
> 

Shouldn't we use the horizontal tab in .rst ? It seems other lines
use a tab to indent, but this line doesn't (VIM converted the tab to spaces.)

Thank you,

-- 
Masami Hiramatsu <mhiramat@...nel.org>