Re: [PATCH v1 13/16] drivers/vuart: move PL011 emulator code

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Thu, 10 Jul 2025, Jan Beulich wrote:
> On 10.07.2025 03:59, dmkhn@xxxxxxxxx wrote:
> > On Tue, Jun 24, 2025 at 09:33:04AM +0200, Jan Beulich wrote:
> >> On 24.06.2025 09:31, dmkhn@xxxxxxxxx wrote:
> >>> On Tue, Jun 24, 2025 at 07:50:33AM +0200, Jan Beulich wrote:
> >>>> On 24.06.2025 05:56, dmkhn@xxxxxxxxx wrote:
> >>>>> From: Denis Mukhin <dmukhin@xxxxxxxx>
> >>>>>
> >>>>> Move PL011 emulator to the new location for UART emulators.
> >>>>>
> >>>>> No functional change intended.
> >>>>>
> >>>>> Signed-off-by: Denis Mukhin <dmukhin@xxxxxxxx>
> >>>>> ---
> >>>>>  xen/arch/arm/Kconfig                               |  7 -------
> >>>>>  xen/arch/arm/Makefile                              |  1 -
> >>>>>  xen/drivers/Kconfig                                |  2 ++
> >>>>>  xen/drivers/Makefile                               |  1 +
> >>>>>  xen/drivers/vuart/Kconfig                          | 14 ++++++++++++++
> >>>>>  xen/drivers/vuart/Makefile                         |  1 +
> >>>>>  .../arm/vpl011.c => drivers/vuart/vuart-pl011.c}   |  0
> >>>>>  7 files changed, 18 insertions(+), 8 deletions(-)
> >>>>>  create mode 100644 xen/drivers/vuart/Kconfig
> >>>>>  create mode 100644 xen/drivers/vuart/Makefile
> >>>>>  rename xen/{arch/arm/vpl011.c => drivers/vuart/vuart-pl011.c} (100%)
> >>>>
> >>>> I question the placement under drivers/. To me, driver != emulator. I
> >>>> wonder what others think. But yes, we already have drivers/vpci/. That
> >>>> may want moving then ...
> >>>
> >>> re: driver != emulator: I agree; but I followed drivers/vpci.
> >>>
> >>> Do you think common/vuart would be a better location?
> >>
> >> Or maybe common/emul/... This wants discussing, I think.
> > 
> > Will something like the following work
> >   common/hvm/vuart
> > ?
> 
> Not really, emulators may not be limited to HVM. But iirc common/emul/ is
> what we settled on anyway at the last Community Call?

Yes, that is what I recall as well