[PATCH v1 2/6] RISC-V: Move the hwprobe syscall to its own file

Conor Dooley conor at kernel.org
Thu Oct 12 10:02:38 PDT 2023


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.

Thanks,
Conor.
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