[PATCH v1 2/6] RISC-V: Move the hwprobe syscall to its own file
Conor Dooley
conor at kernel.org
Fri Oct 13 00:39:22 PDT 2023
On Fri, Oct 13, 2023 at 08:45:39AM +0200, Andrew Jones wrote:
> On Thu, Oct 12, 2023 at 06:02:38PM +0100, Conor Dooley wrote:
> > On Thu, Oct 12, 2023 at 09:42:39AM -0700, Evan Green wrote:
> > > On Thu, Oct 12, 2023 at 9:11 AM Andrew Jones <ajones at ventanamicro.com> wrote:
> > > >
> > > > On Thu, Oct 12, 2023 at 02:45:14PM +0100, Conor Dooley wrote:
> > > > > On Wed, Oct 11, 2023 at 03:56:13PM +0200, Andrew Jones wrote:
> > > > >
> > > > > > +++ b/arch/riscv/kernel/sys_hwprobe.c
> > > > > > @@ -0,0 +1,276 @@
> > > > > > +// SPDX-License-Identifier: GPL-2.0-only
> > > > > > +/*
> > > > > > + * The hwprobe interface, for allowing userspace to probe to see which features
> > > > > > + * are supported by the hardware. See Documentation/riscv/hwprobe.rst for more
> > > > > > + * details.
> > > > > > + *
> > > > > > + * Copyright (C) 2012 Regents of the University of California
> > > > > > + * Copyright (C) 2014 Darius Rad <darius at bluespec.com>
> > > > > > + * Copyright (C) 2017 SiFive
> > > > >
> > > > > So uh, this is all new(ish) code, originally written last September,
> > > > > that is being moved, right?
> > > >
> > > > Yeah, I just pulled the Copyrights over by standard practice of code
> > > > movement, but I agree they don't make much sense for the code I moved.
> > > > I suck at copyright management and would be happy for suggestions here.
> > > > If Rivos would like to put one here for the work Evan did, then I'll be
> > > > happy to add it. Or, if people prefer, I could add a Ventana copyright.
> > >
> > > I probably would have stuck a Rivos banner on it if I had written it
> > > as a new file myself, as I think they "own" the work I do. But it all feels
> > > a bit like vanity license plates given it's GPL, so I imagine whatever
> > > you do will get no real complaints.
> >
> > Aye, that's how I see it too. I've not bothered adding that stuff where
> > I could help it. The git history shows who made copyrightable changes to
> > the file anyway, but obv. I am no lawyer.
> > Just in this case, since as far as I could tell this code was written
> > from LPC onwards, it made little sense to copy over some 2012 era
> > copyright information.
> >
>
> So what's the final plan? I feel a bit strange adding a Rivos copyright
> while copying the Rivos code over since I don't consider myself
> "authorized" to do so.
They didn't add one when they made the changes, so I wouldn't.
> I also don't want to add a Ventana one for just
> code movement. Do we need a copyright on this file at all? Should I move
> it without anything and then add a Ventana copyright when adding the
> which-cpus stuff?
I would move it without anything.
Apologies for derailing things with copyright notice crap :/
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