diff options
Diffstat (limited to 'tests/avocado/mem-addr-space-check.py')
| -rw-r--r-- | tests/avocado/mem-addr-space-check.py | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/tests/avocado/mem-addr-space-check.py b/tests/avocado/mem-addr-space-check.py index af019969c0..85541ea051 100644 --- a/tests/avocado/mem-addr-space-check.py +++ b/tests/avocado/mem-addr-space-check.py @@ -31,11 +31,10 @@ class MemAddrCheck(QemuSystemTest): at 4 GiB boundary when "above_4g_mem_size" is 0 (this would be true when we have 0.5 GiB of VM memory, see pc_q35_init()). This means total hotpluggable memory size is 60 GiB. Per slot, we reserve 1 GiB of memory - for dimm alignment for all newer machines (see enforce_aligned_dimm - property for pc machines and pc_get_device_memory_range()). That leaves - total hotpluggable actual memory size of 59 GiB. If the VM is started - with 0.5 GiB of memory, maxmem should be set to a maximum value of - 59.5 GiB to ensure that the processor can address all memory directly. + for dimm alignment for all machines. That leaves total hotpluggable + actual memory size of 59 GiB. If the VM is started with 0.5 GiB of + memory, maxmem should be set to a maximum value of 59.5 GiB to ensure + that the processor can address all memory directly. Note that 64-bit pci hole size is 0 in this case. If maxmem is set to 59.6G, QEMU should fail to start with a message "phy-bits are too low". If maxmem is set to 59.5G with all other QEMU parameters identical, QEMU |