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Date:   Fri, 24 Apr 2020 13:15:56 +1000
From:   Stephen Rothwell <sfr@canb.auug.org.au>
To:     Luis Chamberlain <mcgrof@kernel.org>
Cc:     Jakub Kicinski <kubakici@wp.pl>, gregkh@linuxfoundation.org,
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Subject: Re: [PATCH] firmware_loader: re-export fw_fallback_config into
 firmware_loader's own namespace
Message-ID: <20200424131556.1dbe18aa@canb.auug.org.au>
In-Reply-To: <20200424021420.GZ11244@42.do-not-panic.com>
References: <20200423203140.19510-1-mcgrof@kernel.org>
        <20200423180544.60d12af0@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
        <20200424021420.GZ11244@42.do-not-panic.com>
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Hi Luis,

On Fri, 24 Apr 2020 02:14:20 +0000 Luis Chamberlain <mcgrof@kernel.org> wro=
te:
>
> > > Fixes: "firmware_loader: remove unused exports" =20
> >=20
> > Can't help but notice this strange form of the Fixes tag, is it
> > intentional? =20
>=20
> Yeah, no there is no commit for the patch as the commit is ephemeral in
> a development tree not yet upstream, ie, not on Linus' tree yet. Using a
> commit here then makes no sense unless one wants to use a reference
> development tree in this case, as development trees are expected to
> rebase to move closer towards Linus' tree. When a tree rebases, the
> commit IDs change, and this is why the commit is ephemeral unless
> one uses a base tree / branch / tag.

That commit is in Greg's driver-core tree which never rebases, so the
SHA1 can be considered immutable.  This is (should be) true for most
trees that are published in linux-next (I know it is not true for some).

--=20
Cheers,
Stephen Rothwell

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