On 7/16/21 3:25 PM, Sean Christopherson wrote: > 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. Will do.