Re: [PATCH v6 09/12] hw/cxl/events: Add qmp interfaces to add/release dynamic capacity extents

[Gregory Price]

On Tue, Apr 16, 2024 at 03:58:22PM +0100, Jonathan Cameron wrote:
> On Mon, 15 Apr 2024 13:06:04 -0700
> fan <nifan.cxl@gmail.com> wrote:
> 
> > From ce75be83e915fbc4dd6e489f976665b81174002b Mon Sep 17 00:00:00 2001
> > From: Fan Ni <fan.ni@samsung.com>
> > Date: Tue, 20 Feb 2024 09:48:31 -0800
> > Subject: [PATCH 09/13] hw/cxl/events: Add qmp interfaces to add/release
> >  dynamic capacity extents
> > 
> > +
> > +    if (num_extents > 1) {
> > +        error_setg(errp,
> > +                   "TODO: remove the check once kernel support More flag");
> Not our problem :)  For now we can just test the kernel by passing in single
> extents via separate commands.
> 
> I don't want to carry unnecessary limitations in qemu.
> 

Probably worth popping in to say some out of band discussions around the
`more bit` suggest it may be a while before it is supported.

Allowing QEMU to send more bit messages to the kernel would be extremely
helpful for validation that the kernel won't blow up if/when a real
device implements it.  So yes, please allow it!

~Gregory