void *memory_region_get_ram_ptr(MemoryRegion *mr)
{
- if (mr->alias) {
- return memory_region_get_ram_ptr(mr->alias) + mr->alias_offset;
- }
+ void *ptr;
+ uint64_t offset = 0;
+ rcu_read_lock();
+ while (mr->alias) {
+ offset += mr->alias_offset;
+ mr = mr->alias;
+ }
assert(mr->ram_addr != RAM_ADDR_INVALID);
+ ptr = qemu_get_ram_ptr(mr->ram_addr & TARGET_PAGE_MASK);
+ rcu_read_unlock();
- return qemu_get_ram_ptr(mr->ram_addr & TARGET_PAGE_MASK);
+ return ptr + offset;
}
void memory_region_ram_resize(MemoryRegion *mr, ram_addr_t newsize, Error **errp)