[edk2-devel] [PATCH v2] OvmfPkg/PlatformInitLib: catch QEMU's CPU hotplug reg block regression

[Gerd Hoffmann]

On Fri, Jan 13, 2023 at 07:03:54AM +0100, Gerd Hoffmann wrote:
>   Hi,
> 
> > - QEMU can be configured with other compat properties on the command
> > line so that "CPU hotplug with SMI" and "CPU hot-unplug with SMI" *not*
> > be offered to the firmware. Then QEMU will reject hotplug attempts, and
> > the SMM hotplug code in edk2 will not be triggered by the (virtual)
> > hardware.
> 
> Can we have edk2 print instructions for that in the error message?

This seems to be:

    qemu -M q35 \
        -global ICH9-LPC.x-smi-cpu-hotplug=off \
        -global ICH9-LPC.x-smi-cpu-hotunplug=off

But it appears to not work.

Or did you mean something else?

take care,
  Gerd



-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#98462): https://edk2.groups.io/g/devel/message/98462
Mute This Topic: https://groups.io/mt/96218818/1813853
Group Owner: devel+owner at edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [edk2-devel-archive at redhat.com]
-=-=-=-=-=-=-=-=-=-=-=-