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Date:   Tue, 8 Jun 2021 16:35:30 +0200
From:   Greg KH <greg@kroah.com>
To:     Salvatore Bonaccorso <carnil@debian.org>
Cc:     =?utf-8?Q?Lauren=C8=9Biu_P=C4=83ncescu?= <lpancescu@gmail.com>,
        stable@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: Backporting fix for #199981 to 4.19.y?
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On Sun, Jun 06, 2021 at 02:34:11PM +0200, Salvatore Bonaccorso wrote:
> Hi Laurențiu, Greg,
> 
> On Fri, Jun 04, 2021 at 05:42:02PM +0200, Greg KH wrote:
> > On Fri, Jun 04, 2021 at 04:50:19PM +0200, Laurențiu Păncescu wrote:
> > > Hi Greg,
> > > 
> > > On 6/3/21 11:19 AM, Greg KH wrote:
> > > > That commit does not apply cleanly and I need a backported version.  Can
> > > > you do that and test it to verify it works and then send it to us to be
> > > > applied?
> > > 
> > > I now have a patch against linux-4.19.y, tested on my EeePC just now: the
> > > battery status and discharge rate are shown correctly.
> > > 
> > > I've never submitted a patch before, should I put "commit <short-hash>
> > > upstream." as the first line of my commit message, followed by another line
> > > stating which branch I would like this to be merged to? Should I also
> > > include the original commit message of the backported commit? And then use
> > > git format-patch? I just read through [1] and [2], but they don't say
> > > anything specific about commit messages for backported patches.
> > 
> > Yes, what you describe here should be great.  Look at the stable mailing
> > list archives on lore.kernel.org for other examples of this happening,
> > https://lore.kernel.org/r/20210603162852.1814513-1-zsm@chromium.org is
> > one example.
> 
> Instead of doing a specific backport, maybe it is enough to pick
> a46393c02c76 ("ACPI: probe ECDT before loading AML tables regardless
> of module-level code flag") frst on 4.19.y and then the mentioned fix
> b1c0330823fe ("ACPI: EC: Look for ECDT EC after calling
> acpi_load_tables()").

I do not see a commit a46393c02c76 in Linus's tree :(

Are you sure these ids are correct?

thanks,

greg k-h