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authorSheng Yang <sheng.yang@intel.com>2008-07-16 03:25:40 +0200
committerAvi Kivity <avi@qumranet.com>2008-07-27 10:34:10 +0200
commit5fdbcb9dd16f1e89ead127d3ee1a38e3a00cf1ea (patch)
tree65db37eb2a83a60148c420f76a5b0e2c53b66e38 /arch/x86
parentKVM: VMX: Fix bypass_guest_pf enabling when disable EPT in module parameter (diff)
downloadlinux-5fdbcb9dd16f1e89ead127d3ee1a38e3a00cf1ea.tar.xz
linux-5fdbcb9dd16f1e89ead127d3ee1a38e3a00cf1ea.zip
KVM: VMX: Fix undefined beaviour of EPT after reload kvm-intel.ko
As well as move set base/mask ptes to vmx_init(). Signed-off-by: Sheng Yang <sheng.yang@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kvm/vmx.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index f71151d999e4..2a69773e3b26 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3118,15 +3118,6 @@ static struct kvm_vcpu *vmx_create_vcpu(struct kvm *kvm, unsigned int id)
return ERR_PTR(-ENOMEM);
allocate_vpid(vmx);
- if (id == 0 && vm_need_ept()) {
- kvm_mmu_set_base_ptes(VMX_EPT_READABLE_MASK |
- VMX_EPT_WRITABLE_MASK |
- VMX_EPT_DEFAULT_MT << VMX_EPT_MT_EPTE_SHIFT);
- kvm_mmu_set_mask_ptes(0ull, VMX_EPT_FAKE_ACCESSED_MASK,
- VMX_EPT_FAKE_DIRTY_MASK, 0ull,
- VMX_EPT_EXECUTABLE_MASK);
- kvm_enable_tdp();
- }
err = kvm_vcpu_init(&vmx->vcpu, kvm, id);
if (err)
@@ -3305,8 +3296,17 @@ static int __init vmx_init(void)
vmx_disable_intercept_for_msr(vmx_msr_bitmap, MSR_IA32_SYSENTER_ESP);
vmx_disable_intercept_for_msr(vmx_msr_bitmap, MSR_IA32_SYSENTER_EIP);
- if (vm_need_ept())
+ if (vm_need_ept()) {
bypass_guest_pf = 0;
+ kvm_mmu_set_base_ptes(VMX_EPT_READABLE_MASK |
+ VMX_EPT_WRITABLE_MASK |
+ VMX_EPT_DEFAULT_MT << VMX_EPT_MT_EPTE_SHIFT);
+ kvm_mmu_set_mask_ptes(0ull, VMX_EPT_FAKE_ACCESSED_MASK,
+ VMX_EPT_FAKE_DIRTY_MASK, 0ull,
+ VMX_EPT_EXECUTABLE_MASK);
+ kvm_enable_tdp();
+ } else
+ kvm_disable_tdp();
if (bypass_guest_pf)
kvm_mmu_set_nonpresent_ptes(~0xffeull, 0ull);