linux-kernel - Re: [PATCH v2] localmodconfig: Fix whitespace repeat count after "tristate"

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Date:	Tue, 26 Apr 2016 14:35:19 -0700
From:	Benjamin Poirier <bpoirier@...e.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Michal Marek <mmarek@...e.cz>, joeyli <jlee@...e.com>,
	"Yann E . MORIN " <yann.morin.1998@...e.fr>,
	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] localmodconfig: Fix whitespace repeat count after
 "tristate"

On 2016/04/26 15:51, Steven Rostedt wrote:
> On Tue, 26 Apr 2016 11:56:38 -0700
> Benjamin Poirier <bpoirier@...e.com> wrote:
> 
> > Also recognize standalone "prompt".
> > 
> > Before this patch we incorrectly identified some symbols as not having a
> > prompt and potentially needing to be selected by something else.
> > 
> > Note that this patch could theoretically change the resulting .config,
> > causing it to have fewer symbols turned on. However, given the current set
> > of Kconfig files, this situation does not occur because the symbols newly
> > added to %prompts are absent from %selects.
> > 
> > Signed-off-by: Benjamin Poirier <bpoirier@...e.com>
> > ---
> >  scripts/kconfig/streamline_config.pl | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl
> > index 95a6f2b..b8c7b29 100755
> > --- a/scripts/kconfig/streamline_config.pl
> > +++ b/scripts/kconfig/streamline_config.pl
> > @@ -237,7 +237,7 @@ sub read_kconfig {
> >  	    }
> >  
> >  	# configs without prompts must be selected
> > -	} elsif ($state ne "NONE" && /^\s*tristate\s\S/) {
> > +	} elsif ($state ne "NONE" && /^\s*(tristate\s+\S|prompt\b)/) {
> 
> I prefer not to have the "prompt" here. I'm only interested in module
> configs. But the \s to \s+ is a real fix.

Separate tristate and prompt statements are allowed and recognized by
the kconfig parser. Although there are no such cases now, there used to
be one: 0a57274
You sure you want to remove it from the regexp?