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| author |   Ingo Molnar <mingo@kernel.org> | 2021-02-12 13:36:43 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2021-02-12 13:36:43 +0100 |
| commit | a3251c1a36f595046bea03935ebe37a1e1f1f1d7 (patch) | |
| tree | 14b51f8bf1d7e1bb35697cb4704255b51b15baa9 /arch/x86/kvm/svm/nested.c | |
| parent | x86/softirq/64: Inline do_softirq_own_stack() (diff) | |
| parent | x86/pv: Rework arch_local_irq_restore() to not use popf (diff) | |
| download | wireguard-linux-a3251c1a36f595046bea03935ebe37a1e1f1f1d7.tar.xz wireguard-linux-a3251c1a36f595046bea03935ebe37a1e1f1f1d7.zip | |
Merge branch 'x86/paravirt' into x86/entry
Merge in the recent paravirt changes to resolve conflicts caused
by objtool annotations.
Conflicts:
arch/x86/xen/xen-asm.S
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | arch/x86/kvm/svm/nested.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c index cb4c6ee10029..db30670dd8c4 100644 --- a/arch/x86/kvm/svm/nested.c +++ b/arch/x86/kvm/svm/nested.c @@ -200,6 +200,9 @@ static bool svm_get_nested_state_pages(struct kvm_vcpu *vcpu) { struct vcpu_svm *svm = to_svm(vcpu); + if (WARN_ON(!is_guest_mode(vcpu))) + return true; + if (!nested_svm_vmrun_msrpm(svm)) { vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; vcpu->run->internal.suberror = @@ -228,6 +231,7 @@ static bool nested_vmcb_check_controls(struct vmcb_control_area *control) static bool nested_vmcb_checks(struct vcpu_svm *svm, struct vmcb *vmcb12) { + struct kvm_vcpu *vcpu = &svm->vcpu; bool vmcb12_lma; if ((vmcb12->save.efer & EFER_SVME) == 0) @@ -241,18 +245,10 @@ static bool nested_vmcb_checks(struct vcpu_svm *svm, struct vmcb *vmcb12) vmcb12_lma = (vmcb12->save.efer & EFER_LME) && (vmcb12->save.cr0 & X86_CR0_PG); - if (!vmcb12_lma) { - if (vmcb12->save.cr4 & X86_CR4_PAE) { - if (vmcb12->save.cr3 & MSR_CR3_LEGACY_PAE_RESERVED_MASK) - return false; - } else { - if (vmcb12->save.cr3 & MSR_CR3_LEGACY_RESERVED_MASK) - return false; - } - } else { + if (vmcb12_lma) { if (!(vmcb12->save.cr4 & X86_CR4_PAE) || !(vmcb12->save.cr0 & X86_CR0_PE) || - (vmcb12->save.cr3 & MSR_CR3_LONG_MBZ_MASK)) + (vmcb12->save.cr3 & vcpu->arch.cr3_lm_rsvd_bits)) return false; } if (!kvm_is_valid_cr4(&svm->vcpu, vmcb12->save.cr4)) |