Re: [PATCH] char: rename CharBackend->CharFrontend

Marc-André Lureau <[email protected]> Tue, 21 Oct 2025 17:58:34 +0400

Newsgroups	dev.linux.lists.virtio-fs,org.nongnu.qemu-arm,org.nongnu.qemu-devel,org.nongnu.qemu-riscv,org.nongnu.qemu-rust,org.xenproject.lists.xen-devel
Message-ID	<CAJ+F1C+bGKtY6nf3LCXrwhZ2aEdu2npXJ9FapmsqgX0uLL5TUw@mail.gmail.com>

Hi

On Tue, Oct 21, 2025 at 5:52 PM Dr. David Alan Gilbert <[email protected]> wrote:
>
> * Peter Maydell ([email protected]) wrote:
> > Marc-André Lureau <[email protected]> wrote:
> > > The actual backend is "Chardev", CharBackend is the frontend side of it,
> > > let's rename it for readability.
> >
> > I always thought the "frontend" was the device the guest
> > saw (the 16650 UART or whatever). invocation.html has bits
> > talking about "virtio hvc console frontend device" which
> > seem like they also use that terminology.
> >
> > If we want to clean up the naming it might be helpful to have
> > a comment somewhere documenting the different components and
> > what names we give them and how they fit together (or even
> > better, something in docs/devel/...)
>
> Or something more descriptive like 'CharGuestSide'

If we are talking about the Chardev frontend or user, that's too
restrictive. We have generic stream handling code (think
mux/hub/tests/client/server etc) that do not fit that usage naming.


-- 
Marc-André Lureau