diff options
Diffstat (limited to 'include/system/memory.h')
| -rw-r--r-- | include/system/memory.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/include/system/memory.h b/include/system/memory.h index aa85fc27a1..827e2c5aa4 100644 --- a/include/system/memory.h +++ b/include/system/memory.h @@ -2727,9 +2727,14 @@ void address_space_init(AddressSpace *as, MemoryRegion *root, const char *name); /** * address_space_destroy: destroy an address space * - * Releases all resources associated with an address space. After an address space - * is destroyed, its root memory region (given by address_space_init()) may be destroyed - * as well. + * Releases all resources associated with an address space. After an + * address space is destroyed, the reference the AddressSpace had to + * its root memory region is dropped, which may result in the + * destruction of that memory region as well. + * + * Note that destruction of the AddressSpace is done via RCU; + * it is therefore not valid to free the memory the AddressSpace + * struct is in until after that RCU callback has completed. * * @as: address space to be destroyed */ |