On Wed, Jul 07, 2021, Brijesh Singh wrote: > The page-fault error code is a 64-bit value, but the trace prints only It's worth clarifying that #NPT has a 64-bit error code, and so KVM also passes around a 64-bit PFEC. E.g. the above statement is wrong for legacy #PF. > the lower 32-bits. Some of the SEV-SNP RMP fault error codes are > available in the upper 32-bits. Can you send this separately with Cc: stable@? And I guess tweak the changelog to replace "SEV-SNP RMP" with a reference to e.g. PFERR_GUEST_FINAL_MASK. KVM already has error codes that can set the upper bits.