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

From: Babu Moger
Date: Tue Jan 19 2021 - 18:47:51 EST




On 1/19/21 5:01 PM, Jim Mattson wrote:
> On Mon, Sep 14, 2020 at 11:33 AM Babu Moger <babu.moger@xxxxxxx> 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/