diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/s390x/sclp.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/hw/s390x/sclp.c b/hw/s390x/sclp.c index b3a6c5e5a4..ff29e63994 100644 --- a/hw/s390x/sclp.c +++ b/hw/s390x/sclp.c @@ -217,6 +217,7 @@ static void assign_storage(SCCB *sccb) (assign_addr >= mhd->padded_ram_size)) { /* Re-use existing memory region if found */ mr = memory_region_find(sysmem, assign_addr, 1).mr; + memory_region_unref(mr); if (!mr) { MemoryRegion *standby_ram = g_new(MemoryRegion, 1); @@ -242,6 +243,11 @@ static void assign_storage(SCCB *sccb) } memory_region_init_ram(standby_ram, NULL, id, this_subregion_size, &error_abort); + /* This is a hack to make memory hotunplug work again. Once we have + * subdevices, we have to unparent them when unassigning memory, + * instead of doing it via the ref count of the MemoryRegion. */ + object_ref(OBJECT(standby_ram)); + object_unparent(OBJECT(standby_ram)); vmstate_register_ram_global(standby_ram); memory_region_add_subregion(sysmem, offset, standby_ram); } @@ -269,6 +275,7 @@ static void unassign_storage(SCCB *sccb) /* find the specified memory region and destroy it */ mr = memory_region_find(sysmem, unassign_addr, 1).mr; + memory_region_unref(mr); if (mr) { int i; int is_removable = 1; @@ -287,8 +294,7 @@ static void unassign_storage(SCCB *sccb) } if (is_removable) { memory_region_del_subregion(sysmem, mr); - object_unparent(OBJECT(mr)); - g_free(mr); + object_unref(OBJECT(mr)); } } } |