On Wed, Jun 22, 2022, Paolo Bonzini wrote: > On 6/16/22 20:47, Sean Christopherson wrote: > > > The argument @direct is vcpu->arch.mmu->root_role.direct, so just use > > > that. > > It's worth calling out that, unlike non-root page tables, it's impossible to have > > a direct root in an indirect MMU. I.e. provide a hint as to why there's a need to > > pass @direct in the first place. > > > > I suppose there's *no* need to pass direct? Also, there's the trivial (but > less interesting) justification that kvm_mmu_load does > > if (vcpu->arch.mmu->root_role.direct) > r = mmu_alloc_direct_roots(vcpu); > else > r = mmu_alloc_shadow_roots(vcpu); > > and those are the only callers of mmu_alloc_root. Duh, you're right, grabbing root_role.direct in mmu_alloc_root() is much better. _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm