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 <[email protected]> > > > > 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 <[email protected]> > > --- > > 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.
