Re: [RFC PATCH 14/21] KVM: x86/tdp_mmu: Invoke split_external_spt hook with exclusive mmu_lock

[Edgecombe, Rick P]

On Fri, 2025-05-16 at 17:17 +0800, Yan Zhao wrote:
> > Shouldn't this BUG_ON be handled in the split_external_spt implementation? I
> > don't think we need another one.
> Ok. But kvm_x86_split_external_spt() is not for TDX only.
> Is it good for KVM MMU core to rely on each implementation to trigger BUG_ON?

It effectively is for TDX only. At least for the foreseeable future. The naming
basically means that people don't have to see "TDX" everywhere when they look in
the MMU code.

> 
> >