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Diffstat (limited to 'arch/x86/kvm')
-rw-r--r--arch/x86/kvm/mmu/mmu.c17
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);
}