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Re: [PATCH-for-9.0?] docs: i386: pc: Update maximum CPU numbers for PC Q
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From: |
Michael S. Tsirkin |
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Subject: |
Re: [PATCH-for-9.0?] docs: i386: pc: Update maximum CPU numbers for PC Q35 |
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Date: |
Sun, 2 Jun 2024 09:30:24 -0400 |
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.