ACK: [SRU][N:intel][PATCH 0/1 v2] TDMR reserved areas that may exceed the limit of 16 can result in TDX module initialization failure

[Kevin Becker]

On Tue, Jul 16, 2024 at 11:56 AM Thibault Ferrante
<thibault.ferrante at canonical.com> wrote:
>
> BugLink: https://bugs.launchpad.net/bugs/2072717
>
> [ Impact ]
>
> Failure to initialize TDX on Emerald Rapids platform.
>
> [ Fix ]
>
> Specific backport made by intel for 6.8.
> Hosted privately on https://github.com/intel/kernel-downstream
>
> [ Test Plan ]
>
> Initialize TDX and verify it comes online.
> Tested successfully by the user.
>
> [ Where problems could occur ]
>
> Regression in TDX module.
>
> [ Other Info ]
>
> Initial bug report : https://github.com/canonical/tdx/issues/135
>
> v1 -> v2:
> Origin of the patch: Remove 'cherry pick' from mention as it's a private source.
> Update fix section.
>
> Kai Huang (1):
>   UBUNTU: SAUCE: x86/virt/tdx: Exclude memory region hole within CMR as
>     TDMR's reserved area
>
>  arch/x86/virt/vmx/tdx/tdx.c | 66 ++++++++++++++++++++++++++++---------
>  1 file changed, 51 insertions(+), 15 deletions(-)
>
> --

Acked-by: Kevin Becker <kevin.becker at canonical.com>