Messages in this thread Patch in this message |  | | From | KarimAllah Ahmed <> | | Subject | [RFC 06/12] KVM/VMX: Use the new host mapping API for handle_vmptrld | | Date | Mon, 5 Feb 2018 19:47:25 +0100 |
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Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Radim Krčmář <rkrcmar@redhat.com> Cc: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: KarimAllah Ahmed <karahmed@amazon.de> --- arch/x86/kvm/vmx.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 9e45bd1..9544df0 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -7865,30 +7865,30 @@ static int handle_vmptrld(struct kvm_vcpu *vcpu) } if (vmx->nested.current_vmptr != vmptr) { + struct kvm_host_mapping mapping; struct vmcs12 *new_vmcs12; - struct page *page; - page = kvm_vcpu_gpa_to_page(vcpu, vmptr); - if (is_error_page(page)) { + + if (!kvm_vcpu_gpa_to_host_mapping(vcpu, vmptr, &mapping, true)) { nested_vmx_failInvalid(vcpu); return kvm_skip_emulated_instruction(vcpu); } - new_vmcs12 = kmap(page); + + new_vmcs12 = mapping.kaddr; if (new_vmcs12->revision_id != VMCS12_REVISION) { - kunmap(page); - kvm_release_page_clean(page); + kvm_release_host_mapping(&mapping, false); nested_vmx_failValid(vcpu, VMXERR_VMPTRLD_INCORRECT_VMCS_REVISION_ID); return kvm_skip_emulated_instruction(vcpu); } nested_release_vmcs12(vmx); + /* * Load VMCS12 from guest memory since it is not already * cached. */ memcpy(vmx->nested.cached_vmcs12, new_vmcs12, VMCS12_SIZE); - kunmap(page); - kvm_release_page_clean(page); + kvm_release_host_mapping(&mapping, false); set_current_vmptr(vmx, vmptr); } -- 2.7.4
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