]> git.baikalelectronics.ru Git - kernel.git/commitdiff
KVM: x86/mmu: remove "bool base_only" arguments
authorPaolo Bonzini <pbonzini@redhat.com>
Thu, 10 Feb 2022 12:30:58 +0000 (07:30 -0500)
committerPaolo Bonzini <pbonzini@redhat.com>
Fri, 29 Apr 2022 16:49:53 +0000 (12:49 -0400)
The argument is always false now that kvm_mmu_calc_root_page_role has
been removed.

Reviewed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/mmu/mmu.c

index 3e49902561f9ee65e49ee14e82043f39cd5d9b7b..8b49b1e58a98241396fafe285b8107167afdaaf9 100644 (file)
@@ -4748,47 +4748,30 @@ static void paging32_init_context(struct kvm_mmu *context)
        context->direct_map = false;
 }
 
-static union kvm_mmu_extended_role kvm_calc_mmu_role_ext(struct kvm_vcpu *vcpu,
-                                                        const struct kvm_mmu_role_regs *regs)
-{
-       union kvm_mmu_extended_role ext = {0};
-
-       if (____is_cr0_pg(regs)) {
-               ext.cr0_pg = 1;
-               ext.cr4_pae = ____is_cr4_pae(regs);
-               ext.cr4_smep = ____is_cr4_smep(regs);
-               ext.cr4_smap = ____is_cr4_smap(regs);
-               ext.cr4_pse = ____is_cr4_pse(regs);
-
-               /* PKEY and LA57 are active iff long mode is active. */
-               ext.cr4_pke = ____is_efer_lma(regs) && ____is_cr4_pke(regs);
-               ext.cr4_la57 = ____is_efer_lma(regs) && ____is_cr4_la57(regs);
-               ext.efer_lma = ____is_efer_lma(regs);
-       }
-
-       ext.valid = 1;
-
-       return ext;
-}
-
 static union kvm_mmu_role kvm_calc_mmu_role_common(struct kvm_vcpu *vcpu,
-                                                  const struct kvm_mmu_role_regs *regs,
-                                                  bool base_only)
+                                                  const struct kvm_mmu_role_regs *regs)
 {
        union kvm_mmu_role role = {0};
 
        role.base.access = ACC_ALL;
        if (____is_cr0_pg(regs)) {
+               role.ext.cr0_pg = 1;
                role.base.efer_nx = ____is_efer_nx(regs);
                role.base.cr0_wp = ____is_cr0_wp(regs);
+
+               role.ext.cr4_pae = ____is_cr4_pae(regs);
+               role.ext.cr4_smep = ____is_cr4_smep(regs);
+               role.ext.cr4_smap = ____is_cr4_smap(regs);
+               role.ext.cr4_pse = ____is_cr4_pse(regs);
+
+               /* PKEY and LA57 are active iff long mode is active. */
+               role.ext.cr4_pke = ____is_efer_lma(regs) && ____is_cr4_pke(regs);
+               role.ext.cr4_la57 = ____is_efer_lma(regs) && ____is_cr4_la57(regs);
+               role.ext.efer_lma = ____is_efer_lma(regs);
        }
        role.base.smm = is_smm(vcpu);
        role.base.guest_mode = is_guest_mode(vcpu);
-
-       if (base_only)
-               return role;
-
-       role.ext = kvm_calc_mmu_role_ext(vcpu, regs);
+       role.ext.valid = 1;
 
        return role;
 }
@@ -4808,10 +4791,9 @@ static inline int kvm_mmu_get_tdp_level(struct kvm_vcpu *vcpu)
 
 static union kvm_mmu_role
 kvm_calc_tdp_mmu_root_page_role(struct kvm_vcpu *vcpu,
-                               const struct kvm_mmu_role_regs *regs,
-                               bool base_only)
+                               const struct kvm_mmu_role_regs *regs)
 {
-       union kvm_mmu_role role = kvm_calc_mmu_role_common(vcpu, regs, base_only);
+       union kvm_mmu_role role = kvm_calc_mmu_role_common(vcpu, regs);
 
        role.base.ad_disabled = (shadow_accessed_mask == 0);
        role.base.level = kvm_mmu_get_tdp_level(vcpu);
@@ -4826,7 +4808,7 @@ static void init_kvm_tdp_mmu(struct kvm_vcpu *vcpu,
 {
        struct kvm_mmu *context = &vcpu->arch.root_mmu;
        union kvm_mmu_role new_role =
-               kvm_calc_tdp_mmu_root_page_role(vcpu, regs, false);
+               kvm_calc_tdp_mmu_root_page_role(vcpu, regs);
 
        if (new_role.as_u64 == context->mmu_role.as_u64)
                return;
@@ -4855,10 +4837,9 @@ static void init_kvm_tdp_mmu(struct kvm_vcpu *vcpu,
 
 static union kvm_mmu_role
 kvm_calc_shadow_root_page_role_common(struct kvm_vcpu *vcpu,
-                                     const struct kvm_mmu_role_regs *regs,
-                                     bool base_only)
+                                     const struct kvm_mmu_role_regs *regs)
 {
-       union kvm_mmu_role role = kvm_calc_mmu_role_common(vcpu, regs, base_only);
+       union kvm_mmu_role role = kvm_calc_mmu_role_common(vcpu, regs);
 
        role.base.smep_andnot_wp = role.ext.cr4_smep && !____is_cr0_wp(regs);
        role.base.smap_andnot_wp = role.ext.cr4_smap && !____is_cr0_wp(regs);
@@ -4869,11 +4850,10 @@ kvm_calc_shadow_root_page_role_common(struct kvm_vcpu *vcpu,
 
 static union kvm_mmu_role
 kvm_calc_shadow_mmu_root_page_role(struct kvm_vcpu *vcpu,
-                                  const struct kvm_mmu_role_regs *regs,
-                                  bool base_only)
+                                  const struct kvm_mmu_role_regs *regs)
 {
        union kvm_mmu_role role =
-               kvm_calc_shadow_root_page_role_common(vcpu, regs, base_only);
+               kvm_calc_shadow_root_page_role_common(vcpu, regs);
 
        role.base.direct = !____is_cr0_pg(regs);
 
@@ -4915,7 +4895,7 @@ static void kvm_init_shadow_mmu(struct kvm_vcpu *vcpu,
 {
        struct kvm_mmu *context = &vcpu->arch.root_mmu;
        union kvm_mmu_role new_role =
-               kvm_calc_shadow_mmu_root_page_role(vcpu, regs, false);
+               kvm_calc_shadow_mmu_root_page_role(vcpu, regs);
 
        shadow_mmu_init_context(vcpu, context, regs, new_role);
 }
@@ -4925,7 +4905,7 @@ kvm_calc_shadow_npt_root_page_role(struct kvm_vcpu *vcpu,
                                   const struct kvm_mmu_role_regs *regs)
 {
        union kvm_mmu_role role =
-               kvm_calc_shadow_root_page_role_common(vcpu, regs, false);
+               kvm_calc_shadow_root_page_role_common(vcpu, regs);
 
        role.base.direct = false;
        role.base.level = kvm_mmu_get_tdp_level(vcpu);
@@ -5026,7 +5006,7 @@ kvm_calc_nested_mmu_role(struct kvm_vcpu *vcpu, const struct kvm_mmu_role_regs *
 {
        union kvm_mmu_role role;
 
-       role = kvm_calc_shadow_root_page_role_common(vcpu, regs, false);
+       role = kvm_calc_shadow_root_page_role_common(vcpu, regs);
 
        /*
         * Nested MMUs are used only for walking L2's gva->gpa, they never have