Re: [RFC PATCH v2 27/44] q35: Introduce smm_ranges property for q35-pci-host

[Gerd Hoffmann]

On Wed, Jul 07, 2021 at 05:54:57PM -0700, isaku.yamahata@gmail.com wrote:
> From: Isaku Yamahata <isaku.yamahata@linux.intel.com>
> 
> Add a q35 property to check whether or not SMM ranges, e.g. SMRAM, TSEG,
> etc... exist for the target platform.  TDX doesn't support SMM and doesn't
> play nice with QEMU modifying related guest memory ranges.

"qemu -M q35,smm=off" doesn't work?
If so: what is the exact problem?

take care,
  Gerd