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crosvm/x86_64
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Xiong Zhang 97a4233860 x86_64: Correct the start address of device memory 
When guest ram >= 4G, as mmio hole exists in ram GuestMemory,
GuestMemory->end_addr() is larger than memsize, if memsize is used as
start address of device memory, device memory will overlap with Guest ram.

This patch use GuestMemory->end_addr() as the start address of device
memory.

BUG=None
TEST=Boot vm with guest memory above 4G, and enable vGPU, and run
vGPU benchmark.

Change-Id: Ifc28f3a022cb0a179d16fee4056016a192f2acbd
Signed-off-by: Xiong Zhang <xiong.y.zhang@intel.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1895232
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
2019-11-05 05:19:44 +00:00
..
src x86_64: Correct the start address of device memory 2019-11-05 05:19:44 +00:00
build.rs
Cargo.toml x86_64: replace byteorder with {to,from}_le_bytes() 2019-08-26 23:41:51 +00:00
host_cpuid.c