crosvm: change GuestAddress to always be a u64

We want to be able to run 64-bit ARM kernels using a 32-bit version of
crosvm, to make it more consistent use a u64 to represent
GuestAddress.

BUG=chromium:797868
TEST=./build_test passes on all architectures
TEST=crosvm runs on caroline

Change-Id: I43bf993592caf46891e3e5e05258ab70b6bf3045
Signed-off-by: Sonny Rao <sonnyrao@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/896398
Reviewed-by: Dylan Reid <dgreid@chromium.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/kvm/tests/dirty_log.rs b/kvm/tests/dirty_log.rs
index 94f854e..4ec7295 100644
--- a/kvm/tests/dirty_log.rs
+++ b/kvm/tests/dirty_log.rs
@@ -28,7 +28,7 @@ fn test_run() {
     let mmap = MemoryMapping::from_fd(&mem, mem_size as usize)
         .expect("failed to create memory mapping");
 
-    mmap.write_slice(&code[..], load_addr.offset())
+    mmap.write_slice(&code[..], load_addr.offset() as usize)
         .expect("Writing code to memory failed.");
 
     let kvm = Kvm::new().expect("new kvm failed");