X86/nVMX: handle_vmon: Read 4 bytes from guest memory

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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>

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KarimAllah Ahmed 2019-01-31 21:24:31 +01:00 • committed by Paolo Bonzini

parent 191c8137a9

commit 2e408936b6

1 changed files with 3 additions and 11 deletions

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arch/x86/kvm/vmx/nested.c

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