ACK: [SRU][N:linux-intel][PATCH 0/2] Fix EPT level 5 support for Sierra Forest

[Stewart Hore]

On Thu, Feb 20, 2025 at 12:09:10PM +0100, Thibault Ferrante wrote:
> BugLink: https://bugs.launchpad.net/bugs/2098952
>
> [ Impact ]
>
>  * EPT level 5 support for Sierra forest hardware
>
> [ Fix ]
>
>  * Upstream submission :
> https://lore.kernel.org/all/20240812224820.34826-23-rick.p.edgecombe@intel.com/
> https://lore.kernel.org/all/20240812224820.34826-24-rick.p.edgecombe@intel.com/
>
> A small part of the first patch needs to be dropped as is is not relevant anymore.
>
> [ Test Plan ]
>
>  * Already released part of oracular:linux-intel
>  * Compiled and tested separately based on noble:linux-intel
>
> [ Where problems could occur ]
>
>  * Regression in TDX/KVM performance
>
> Xiaoyao Li (2):
>   UBUNTU: SAUCE: KVM: TDX: Use guest physical address to configure EPT
>     level and GPAW
>   UBUNTU: SAUCE: KVM: x86/mmu: Taking guest pa into consideration when
>     calculate tdp level
>
>  arch/x86/kvm/cpuid.c   | 14 ++++++++++++++
>  arch/x86/kvm/cpuid.h   |  1 +
>  arch/x86/kvm/mmu/mmu.c | 10 +++++++++-
>  arch/x86/kvm/vmx/tdx.c | 26 +++++++++++++-------------
>  4 files changed, 37 insertions(+), 14 deletions(-)
>
> --
> 2.43.0

Acked-by: Stewart Hore <stewart.hore at canonical.com>

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