Re: [PATCH v6 00/12] SVM cleanup and INVPCID feature support

Jim Mattson
2021-01-20T22:12:25Z

On Tue, Jan 19, 2021 at 3:45 PM Babu Moger <babu.moger@amd.com> wrote:
>
>
>
> On 1/19/21 5:01 PM, Jim Mattson wrote:
> > On Mon, Sep 14, 2020 at 11:33 AM Babu Moger <babu.moger@amd.com> wrote:
> >
> >> Thanks Paolo. Tested Guest/nested guest/kvm units tests. Everything works
> >> as expected.
> >
> > Debian 9 does not like this patch set. As a kvm guest, it panics on a
> > Milan CPU unless booted with 'nopcid'. Gmail mangles long lines, so
> > please see the attached kernel log snippet. Debian 10 is fine, so I
> > assume this is a guest bug.
> >
>
> We had an issue with PCID feature earlier. This was showing only with SEV
> guests. It is resolved recently. Do you think it is not related that?
> Here are the patch set.
> https://lore.kernel.org/kvm/160521930597.32054.4906933314022910996.stgit@bmoger-ubuntu/

The Debian 9 release we tested is not an SEV guest.