Re: [PATCH 13/21] KVM: x86/mmu: Pass around full 64-bit error code for KVM page faults

[Xiaoyao Li]

On 2/28/2024 7:20 AM, Paolo Bonzini wrote:
> From: Isaku Yamahata <isaku.yamahata@xxxxxxxxx>
..
> The use of lower_32_bits() moves from kvm_mmu_page_fault() to
> FNAME(page_fault), since walking is independent of the data in the
> upper bits of the error code.

Is it a must? I don't see any issue if full u64 error_code is passed to 
FNAME(page_fault) as well.