linux-kernel - Re: [PATCH 4.19 092/190] drm/nouveau: Dont WARN

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Date:   Fri, 13 Sep 2019 16:10:51 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Sasha Levin <sashal@...nel.org>
Cc:     Ilia Mirkin <imirkin@...m.mit.edu>,
        LKML <linux-kernel@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Ben Skeggs <bskeggs@...hat.com>,
        nouveau <nouveau@...ts.freedesktop.org>,
        "# 3.9+" <stable@...r.kernel.org>
Subject: Re: [PATCH 4.19 092/190] drm/nouveau: Dont WARN_ON VCPI allocation
 failures

On Fri, Sep 13, 2019 at 11:01:11AM -0400, Sasha Levin wrote:
> On Fri, Sep 13, 2019 at 03:54:56PM +0100, Greg Kroah-Hartman wrote:
> > On Fri, Sep 13, 2019 at 10:46:27AM -0400, Sasha Levin wrote:
> > > On Fri, Sep 13, 2019 at 09:33:36AM -0400, Ilia Mirkin wrote:
> > > > Hi Greg,
> > > >
> > > > This feels like it's missing a From: line.
> > > >
> > > > commit b513a18cf1d705bd04efd91c417e79e4938be093
> > > > Author: Lyude Paul <lyude@...hat.com>
> > > > Date:   Mon Jan 28 16:03:50 2019 -0500
> > > >
> > > >    drm/nouveau: Don't WARN_ON VCPI allocation failures
> > > >
> > > > Is this an artifact of your notification-of-patches process and I
> > > > never noticed before, or was the patch ingested incorrectly?
> > > 
> > > It was always like this for patches that came through me. Greg's script
> > > generates an explicit "From:" line in the patch, but I never saw the
> > > value in that since git does the right thing by looking at the "From:"
> > > line in the mail header.
> > > 
> > > The right thing is being done in stable-rc and for the releases. For
> > > your example here, this is how it looks like in the stable-rc tree:
> > > 
> > > commit bdcc885be68289a37d0d063cd94390da81fd8178
> > > Author:     Lyude Paul <lyude@...hat.com>
> > > AuthorDate: Mon Jan 28 16:03:50 2019 -0500
> > > Commit:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> > > CommitDate: Fri Sep 13 14:05:29 2019 +0100
> > > 
> > >    drm/nouveau: Don't WARN_ON VCPI allocation failures
> > 
> > Yeah, we should fix your scripts to put the explicit From: line in here
> > as we are dealing with patches in this format and it causes confusion at
> > times (like now.)  It's not the first time and that's why I added those
> > lines to the patches.
> 
> Heh, didn't think anyone cared about this scenario for the stable-rc
> patches.
> 
> I'll go add it.
> 
> But... why do you actually care?

On the emails we send out, it has inproper author information which can
cause confusion that the sender of the email (i.e. me) is somehow saying
that they are the author of the patch.

thanks,

greg k-h