Messages in this thread | | | From | "Edgecombe, Rick P" <> | Subject | Re: [PATCH v2 07/10] KVM: x86: Always populate L1 GPA for KVM_MAP_MEMORY | Date | Tue, 16 Apr 2024 17:11:57 +0000 |
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On Wed, 2024-04-10 at 15:07 -0700, isaku.yamahata@intel.com wrote: > + /* Force to use L1 GPA despite of vcpu MMU mode. */ > + is_smm = !!(vcpu->arch.hflags & HF_SMM_MASK); > + if (is_smm || > + vcpu->arch.mmu != &vcpu->arch.root_mmu || > + vcpu->arch.walk_mmu != &vcpu->arch.root_mmu) { > + vcpu->arch.hflags &= ~HF_SMM_MASK;
0-day informs me that the definition for HF_SMM_MASK depends on CONFIG_KVM_SMM.
> + mmu = vcpu->arch.mmu; > + walk_mmu = vcpu->arch.walk_mmu; > + vcpu->arch.mmu = &vcpu->arch.root_mmu; > + vcpu->arch.walk_mmu = &vcpu->arch.root_mmu; > + kvm_mmu_reset_context(vcpu); > + } > +
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