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

From: Babu Moger
Date: Thu Mar 11 2021 - 16:51:38 EST




On 3/11/21 3:36 PM, Borislav Petkov wrote:
> On Thu, Mar 11, 2021 at 01:23:47PM -0800, Jim Mattson wrote:
>> I would expect kaiser_enabled to be false (and PCIDs not to be used),
>> since AMD CPUs are not vulnerable to Meltdown.
>
> Ah, of course. The guest dmesg should have
>
> "Kernel/User page tables isolation: disabled."

yes.
#dmesg |grep isolation
[ 0.000000] Kernel/User page tables isolation: disabled

>
> Lemme see if I can reproduce.
>