Re: [PATCH v10 10/11] Documentation/x86: Add documentation for TDX's Dynamic PAMT
From: Dave Hansen
Date: Thu Sep 03 2026 - 13:47:47 EST
On 9/2/26 18:51, Rick Edgecombe wrote:
> +Dynamic PAMT is only enabled when supported and the ``tdx_dpamt=`` kernel
> +parameter is set to "on". The feature is off by default because TDX module
> +internal details prevent Dynamic PAMT from working on all keyid partitioning
> +configurations. When the TDX module is fixed to include these constraints in
> +its enumeration of Dynamic PAMT support, kernel support can be changed to
> +default on. For more information, consult the Intel TDX documentation about
> +Dynamic PAMT.
What's the end user visible effect of hitting one of these troublesome
"keyid partitioning configurations"?