Re: [PATCH v19 018/130] KVM: x86/mmu: Assume guest MMIOs are shared

Isaku Yamahata
2024-04-04T22:31:04Z

On Wed, Mar 27, 2024 at 05:27:52PM +0000,
"Edgecombe, Rick P" <rick.p.edgecombe@intel.com> wrote:

> On Wed, 2024-03-27 at 10:22 -0700, Isaku Yamahata wrote:
> > On Mon, Mar 25, 2024 at 11:41:56PM +0000,
> > "Edgecombe, Rick P" <rick.p.edgecombe@intel.com> wrote:
> >
> > > On Mon, 2024-02-26 at 00:25 -0800, isaku.yamahata@intel.com wrote:
> > > > From: Chao Gao <chao.gao@intel.com>
> > > >
> > > > TODO: Drop this patch once the common patch is merged.
> > >
> > > What is this TODO talking about?
> >
> > https://lore.kernel.org/all/ZcUO5sFEAIH68JIA@google.com/
> >
> > This patch was shot down and need to fix it in guest side. TDVF.
>
> It needs a firmware fix? Is there any firmware that works (boot any TD) with this patch missing?

Yes. Config-B (OvmfPkg/IntelTdx/IntelTdxX64.dsc) works for me without this patch.
I'm looking into config-A(OvmfPkg/OvmfPkgX64.dsc) now.
--
Isaku Yamahata <isaku.yamahata@intel.com>