X86/nVMX: handle_vmon: Read 4 bytes from guest memory
authorKarimAllah Ahmed <karahmed@amazon.de>
Thu, 31 Jan 2019 20:24:31 +0000 (21:24 +0100)
committerPaolo Bonzini <pbonzini@redhat.com>
Tue, 30 Apr 2019 19:32:28 +0000 (21:32 +0200)
commit2e408936b6de5a7540880ae40bc7ce43102053ba
tree8539e77cf02cfc1c31fe5276025dd0b34fdf8691
parent191c8137a93989825f0e9f78a198367dde677216
X86/nVMX: handle_vmon: Read 4 bytes from guest memory

Read the data directly from guest memory instead of the map->read->unmap
sequence. This also avoids using kvm_vcpu_gpa_to_page() and kmap() which
assumes that there is a "struct page" for guest memory.

Suggested-by: Jim Mattson <jmattson@google.com>
Signed-off-by: KarimAllah Ahmed <karahmed@amazon.de>
Reviewed-by: Jim Mattson <jmattson@google.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/vmx/nested.c