Messages in this thread Patch in this message | | | From | Yan Zhao <> | Subject | [RFC PATCH 30/42] KVM: x86/mmu: remove param "vcpu" from kvm_calc_tdp_mmu_root_page_role() | Date | Sat, 2 Dec 2023 17:30:21 +0800 |
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kvm_calc_tdp_mmu_root_page_role() only requires "vcpu" to get maxphyaddr for kvm_mmu_get_tdp_level(). So, just pass in the value of maxphyaddr from the caller to get rid of param "vcpu".
This is a preparation patch for later KVM MMU to export TDP.
No functional changes expected.
Signed-off-by: Yan Zhao <yan.y.zhao@intel.com> --- arch/x86/kvm/mmu/mmu.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index abdf49b5cdd79..bcf17aef29119 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -5200,7 +5200,7 @@ static inline int kvm_mmu_get_tdp_level(int maxphyaddr) } static union kvm_mmu_page_role -kvm_calc_tdp_mmu_root_page_role(struct kvm_vcpu *vcpu, +kvm_calc_tdp_mmu_root_page_role(int maxphyaddr, union kvm_cpu_role cpu_role) { union kvm_mmu_page_role role = {0}; @@ -5211,7 +5211,7 @@ kvm_calc_tdp_mmu_root_page_role(struct kvm_vcpu *vcpu, role.smm = cpu_role.base.smm; role.guest_mode = cpu_role.base.guest_mode; role.ad_disabled = !kvm_ad_enabled(); - role.level = kvm_mmu_get_tdp_level(cpuid_maxphyaddr(vcpu)); + role.level = kvm_mmu_get_tdp_level(maxphyaddr); role.direct = true; role.has_4_byte_gpte = false; @@ -5222,7 +5222,9 @@ static void init_kvm_tdp_mmu(struct kvm_vcpu *vcpu, union kvm_cpu_role cpu_role) { struct kvm_mmu *context = &vcpu->arch.root_mmu; - union kvm_mmu_page_role root_role = kvm_calc_tdp_mmu_root_page_role(vcpu, cpu_role); + union kvm_mmu_page_role root_role; + + root_role = kvm_calc_tdp_mmu_root_page_role(cpuid_maxphyaddr(vcpu), cpu_role); if (cpu_role.as_u64 == context->cpu_role.as_u64 && root_role.word == context->common.root_role.word) -- 2.17.1
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