linux-kernel - Re: [PATCH] scripts: add dummy report mode to add

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Message-ID: <20200622150605.GA3828014@kroah.com>
Date:   Mon, 22 Jun 2020 17:06:05 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Shuah Khan <skhan@...uxfoundation.org>
Cc:     Matthias Maennich <maennich@...gle.com>,
        Julia Lawall <julia.lawall@...ia.fr>,
        linux-kernel@...r.kernel.org, kernel-team@...roid.com,
        YueHaibing <yuehaibing@...wei.com>, jeyu@...nel.org,
        cocci@...teme.lip6.fr, stable@...r.kernel.org
Subject: Re: [PATCH] scripts: add dummy report mode to add_namespace.cocci

On Mon, Jun 22, 2020 at 08:46:18AM -0600, Shuah Khan wrote:
> On 6/22/20 2:03 AM, Matthias Maennich wrote:
> > On Thu, Jun 04, 2020 at 02:39:18PM -0600, Shuah Khan wrote:
> > > On 6/4/20 1:31 PM, Julia Lawall wrote:
> > > > 
> > > > 
> > > > On Thu, 4 Jun 2020, Matthias Maennich wrote:
> > > > 
> > > > > When running `make coccicheck` in report mode using the
> > > > > add_namespace.cocci file, it will fail for files that contain
> > > > > MODULE_LICENSE. Those match the replacement precondition, but spatch
> > > > > errors out as virtual.ns is not set.
> > > > > 
> > > > > In order to fix that, add the virtual rule nsdeps and only
> > > > > do search and
> > > > > replace if that rule has been explicitly requested.
> > > > > 
> > > > > In order to make spatch happy in report mode, we also need a
> > > > > dummy rule,
> > > > > as otherwise it errors out with "No rules apply". Using a script:python
> > > > > rule appears unrelated and odd, but this is the shortest I
> > > > > could come up
> > > > > with.
> > > > > 
> > > > > Adjust scripts/nsdeps accordingly to set the nsdeps rule
> > > > > when run trough
> > > > > `make nsdeps`.
> > > > > 
> > > > > Suggested-by: Julia Lawall <julia.lawall@...ia.fr>
> > > > > Fixes: c7c4e29fb5a4 ("scripts: add_namespace: Fix coccicheck failed")
> > > > > Cc: YueHaibing <yuehaibing@...wei.com>
> > > > > Cc: jeyu@...nel.org
> > > > > Cc: cocci@...teme.lip6.fr
> > > > > Cc: stable@...r.kernel.org
> > > > > Signed-off-by: Matthias Maennich <maennich@...gle.com>
> > > > 
> > > > Acked-by: Julia Lawall <julia.lawall@...ia.fr>
> > > > 
> > > > Shuah reported the problem to me, so you could add
> > > > 
> > > > Reported-by: Shuah Khan <skhan@...uxfoundation.org>
> > > > 
> > > 
> > > Very cool. No errors with this patch. Thanks for fixing it
> > > quickly.
> > 
> > I am happy I could fix that and thanks for confirming. I assume your
> > Tested-by could be added?
> 
> Yes
> 
> Tested-by: Shuah Khan <skhan@...uxfoundation.org>
> > 
> > Is somebody willing to take this patch through their tree?
> > 
> 
> My guess is that these go through kbuild git??

If you want to take this, that's fine with me.  But as I had the
original file come through my tree, I can take it too.  It's up to you,
either is ok with me.

thanks

greg k-h