Re: [PATCH-for-9.0?] docs: i386: pc: Update maximum CPU numbers for PC Q35

["Michael S. Tsirkin" <mst@redhat.com>]

On Fri, Apr 12, 2024 at 11:57:35AM +0200, Philippe Mathieu-Daudé wrote:
> Hi Zhao,
> 
> On 12/4/24 10:53, Zhao Liu wrote:
> > From: Zhao Liu <zhao1.liu@intel.com>
> > 
> > Commit e4e98c7eebfa ("pc: q35: Bump max_cpus to 4096 vcpus") increases
> > the supported CPUs for PC Q35 machine.
> > 
> > Update maximum CPU numbers for PC Q35 in the document.
> > 
> > Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
> > ---
> >   docs/system/target-i386-desc.rst.inc | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/docs/system/target-i386-desc.rst.inc b/docs/system/target-i386-desc.rst.inc
> > index 5ebbcda9db4c..319e540573d3 100644
> > --- a/docs/system/target-i386-desc.rst.inc
> > +++ b/docs/system/target-i386-desc.rst.inc
> > @@ -36,7 +36,7 @@ The QEMU PC System emulator simulates the following peripherals:
> >   -  PCI UHCI, OHCI, EHCI or XHCI USB controller and a virtual USB-1.1
> >      hub.
> > -SMP is supported with up to 255 CPUs.
> > +SMP is supported with up to 255 CPUs (and 4096 CPUs for PC Q35 machine).
> 
> This comment is not accurate since a while, IIUC:
> 
> Up to q35-2.7: 255
> q35-2.8: 288
> q35-8.0+: 1024
> q35-9.0: 4096


What are you saying here, Philippe? I don't think compat
machine types matter enough to bother with more detail.

> >   QEMU uses the PC BIOS from the Seabios project and the Plex86/Bochs LGPL
> >   VGA BIOS.