diff options
Diffstat (limited to 'arch/x86/kvm')
-rw-r--r-- | arch/x86/kvm/mmu/mmu.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 7651f9cbd12e..d1d25dd9ca91 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -4365,8 +4365,7 @@ reset_ept_shadow_zero_bits_mask(struct kvm_vcpu *vcpu, (7 & (access) ? 128 : 0)) -static void update_permission_bitmask(struct kvm_vcpu *vcpu, - struct kvm_mmu *mmu, bool ept) +static void update_permission_bitmask(struct kvm_mmu *mmu, bool ept) { unsigned byte; @@ -4374,9 +4373,9 @@ static void update_permission_bitmask(struct kvm_vcpu *vcpu, const u8 w = BYTE_MASK(ACC_WRITE_MASK); const u8 u = BYTE_MASK(ACC_USER_MASK); - bool cr4_smep = kvm_read_cr4_bits(vcpu, X86_CR4_SMEP) != 0; - bool cr4_smap = kvm_read_cr4_bits(vcpu, X86_CR4_SMAP) != 0; - bool cr0_wp = is_write_protection(vcpu); + bool cr4_smep = is_cr4_smep(mmu); + bool cr4_smap = is_cr4_smap(mmu); + bool cr0_wp = is_cr0_wp(mmu); for (byte = 0; byte < ARRAY_SIZE(mmu->permissions); ++byte) { unsigned pfec = byte << 1; @@ -4672,7 +4671,7 @@ static void init_kvm_tdp_mmu(struct kvm_vcpu *vcpu) context->gva_to_gpa = paging32_gva_to_gpa; } - update_permission_bitmask(vcpu, context, false); + update_permission_bitmask(context, false); update_pkru_bitmask(vcpu, context, false); update_last_nonleaf_level(vcpu, context); reset_tdp_shadow_zero_bits_mask(vcpu, context); @@ -4730,7 +4729,7 @@ static void shadow_mmu_init_context(struct kvm_vcpu *vcpu, struct kvm_mmu *conte if (____is_cr0_pg(regs)) { reset_rsvds_bits_mask(vcpu, context); - update_permission_bitmask(vcpu, context, false); + update_permission_bitmask(context, false); update_pkru_bitmask(vcpu, context, false); update_last_nonleaf_level(vcpu, context); } @@ -4838,7 +4837,7 @@ void kvm_init_shadow_ept_mmu(struct kvm_vcpu *vcpu, bool execonly, context->root_level = level; context->direct_map = false; - update_permission_bitmask(vcpu, context, true); + update_permission_bitmask(context, true); update_pkru_bitmask(vcpu, context, true); update_last_nonleaf_level(vcpu, context); reset_rsvds_bits_mask_ept(vcpu, context, execonly); @@ -4935,7 +4934,7 @@ static void init_kvm_nested_mmu(struct kvm_vcpu *vcpu) g_context->gva_to_gpa = paging32_gva_to_gpa_nested; } - update_permission_bitmask(vcpu, g_context, false); + update_permission_bitmask(g_context, false); update_pkru_bitmask(vcpu, g_context, false); update_last_nonleaf_level(vcpu, g_context); } |