Re: [PATCH 5/7] kvm: x86/mmu: Move the code out of FNAME(sync_page)'s loop body into mmu.c

[Sean Christopherson]

On Thu, Jan 05, 2023, Lai Jiangshan wrote:
> From: Lai Jiangshan <jiangshan.ljs@xxxxxxxxxxxx>
> 
> Rename mmu->sync_page to mmu->sync_spte and move the code out
> of FNAME(sync_page)'s loop body into mmu.c.
> 
> Also initialize mmu->sync_spte as NULL for direct paging.

Please split this up, we got burned before by making one of the mmu hooks NULL,
I don't want a repeat of that.  I.e. nullify the direct hook only when it's
very clear it can't be dereferenced.