Hi Eduardo,

Thank you for reviewing my patches.

On 08/29/2015 01:25 AM, Eduardo Habkost wrote:
On Fri, Aug 14, 2015 at 10:52:00PM +0800, Xiao Guangrong wrote:
NVDIMM reserves all the free range above 4G to do:
- Persistent Memory (PMEM) mapping
- implement NVDIMM ACPI device _DSM method

Signed-off-by: Xiao Guangrong <guangrong.x...@linux.intel.com>
[...]
@@ -1302,6 +1303,7 @@ FWCfgState *pc_memory_init(MachineState *machine,
      MemoryRegion *ram_below_4g, *ram_above_4g;
      FWCfgState *fw_cfg;
      PCMachineState *pcms = PC_MACHINE(machine);
+    ram_addr_t offset;

"offset" is a very generic name. I suggest naming it "nvdimm_offset".

'offset' is used for generic proposal as it is not only used for nvdimm but
also for calculating hotplug_mem_base:
      pcms->hotplug_memory.base = ROUND_UP(offset, 1ULL << 30);

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