Re: [PATCH 1/2] x86/mce: Fix missing address mask in recovery for errors in TDX/SEAM non-root mode

From: Huang, Kai
Date: Wed Jun 18 2025 - 19:21:20 EST


On Wed, 2025-06-18 at 15:08 +0300, Hunter, Adrian wrote:
> Commit 8a01ec97dc066 ("x86/mce: Mask out non-address bits from machine
> check bank") introduced a new #define MCI_ADDR_PHYSADDR for the mask of
> valid physical address bits within the machine check bank address register.
>
> This is particularly needed in the case of errors in TDX/SEAM non-root mode
> because the reported address contains the TDX KeyID.  
>

Just wondering, do you know whether this is documented anywhere? If it is,
I think it should be helpful if you can refer that in the changelog.