Re: [PATCHv5 0/4] x86/tdx: Adjust TD settings on boot

[Nikolay Borisov]

On 24.06.24 г. 14:41 ч., Kirill A. Shutemov wrote:
> The patchset adjusts a few TD settings on boot for the optimal functioning
> of the system:
>
>    - Disable EPT violation #VE on private memory if TD can control it
>
>      The newer TDX module allows the guest to control whether it wants to
>      see #VE on EPT violation on private memory. The Linux kernel does not
>      want such #VEs and needs to disable them.
>
>    - Enable virtualization of topology-related CPUID leafs X2APIC_APICID MSR;
>
>      The ENUM_TOPOLOGY feature allows the VMM to provide topology
>      information to the guest. Enabling the feature eliminates
>      topology-related #VEs: the TDX module virtualizes accesses to the
>      CPUID leafs and the MSR.
>
>      It allows TDX guest to run with non-trivial topology configuration.


Reviewed-by: Nikolay Borisov <nik.borisov@xxxxxxxx>