diff options
Diffstat (limited to 'memory.c')
| -rw-r--r-- | memory.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/memory.c b/memory.c index 7a5670e2a9..5c6e63df3f 100644 --- a/memory.c +++ b/memory.c @@ -18,6 +18,8 @@ #include "kvm.h" #include <assert.h> +unsigned memory_region_transaction_depth = 0; + typedef struct AddrRange AddrRange; struct AddrRange { @@ -626,6 +628,10 @@ static void address_space_update_topology(AddressSpace *as) static void memory_region_update_topology(void) { + if (memory_region_transaction_depth) { + return; + } + if (address_space_memory.root) { address_space_update_topology(&address_space_memory); } @@ -634,6 +640,18 @@ static void memory_region_update_topology(void) } } +void memory_region_transaction_begin(void) +{ + ++memory_region_transaction_depth; +} + +void memory_region_transaction_commit(void) +{ + assert(memory_region_transaction_depth); + --memory_region_transaction_depth; + memory_region_update_topology(); +} + void memory_region_init(MemoryRegion *mr, const char *name, uint64_t size) |