diff options
| -rw-r--r-- | hw/core/numa.c | 43 | ||||
| -rw-r--r-- | include/sysemu/numa.h | 1 | ||||
| -rw-r--r-- | vl.c | 2 |
3 files changed, 32 insertions, 14 deletions
diff --git a/hw/core/numa.c b/hw/core/numa.c index 8264336209..e6baf2c33e 100644 --- a/hw/core/numa.c +++ b/hw/core/numa.c @@ -52,6 +52,11 @@ QemuOptsList qemu_numa_opts = { }; static int have_memdevs; +bool numa_uses_legacy_mem(void) +{ + return !have_memdevs; +} + static int have_mem; static int max_numa_nodeid; /* Highest specified NUMA node ID, plus one. * For all nodes, nodeid < max_numa_nodeid @@ -652,6 +657,23 @@ void numa_default_auto_assign_ram(MachineClass *mc, NodeInfo *nodes, nodes[i].node_mem = size - usedmem; } +static void numa_init_memdev_container(MachineState *ms, MemoryRegion *ram) +{ + int i; + uint64_t addr = 0; + + for (i = 0; i < ms->numa_state->num_nodes; i++) { + uint64_t size = ms->numa_state->nodes[i].node_mem; + HostMemoryBackend *backend = ms->numa_state->nodes[i].node_memdev; + if (!backend) { + continue; + } + MemoryRegion *seg = machine_consume_memdev(ms, backend); + memory_region_add_subregion(ram, addr, seg); + addr += size; + } +} + void numa_complete_configuration(MachineState *ms) { int i; @@ -734,6 +756,12 @@ void numa_complete_configuration(MachineState *ms) exit(1); } + if (!numa_uses_legacy_mem() && mc->default_ram_id) { + ms->ram = g_new(MemoryRegion, 1); + memory_region_init(ms->ram, OBJECT(ms), mc->default_ram_id, + ram_size); + numa_init_memdev_container(ms, ms->ram); + } /* QEMU needs at least all unique node pair distances to build * the whole NUMA distance table. QEMU treats the distance table * as symmetric by default, i.e. distance A->B == distance B->A. @@ -800,27 +828,16 @@ void memory_region_allocate_system_memory(MemoryRegion *mr, Object *owner, const char *name, uint64_t ram_size) { - uint64_t addr = 0; - int i; MachineState *ms = MACHINE(qdev_get_machine()); if (ms->numa_state == NULL || - ms->numa_state->num_nodes == 0 || !have_memdevs) { + ms->numa_state->num_nodes == 0 || numa_uses_legacy_mem()) { allocate_system_memory_nonnuma(mr, owner, name, ram_size); return; } memory_region_init(mr, owner, name, ram_size); - for (i = 0; i < ms->numa_state->num_nodes; i++) { - uint64_t size = ms->numa_state->nodes[i].node_mem; - HostMemoryBackend *backend = ms->numa_state->nodes[i].node_memdev; - if (!backend) { - continue; - } - MemoryRegion *seg = machine_consume_memdev(ms, backend); - memory_region_add_subregion(mr, addr, seg); - addr += size; - } + numa_init_memdev_container(ms, mr); } static void numa_stat_memory_devices(NumaNodeMem node_mem[]) diff --git a/include/sysemu/numa.h b/include/sysemu/numa.h index ba693cc80b..ad58ee88f7 100644 --- a/include/sysemu/numa.h +++ b/include/sysemu/numa.h @@ -112,5 +112,6 @@ void numa_default_auto_assign_ram(MachineClass *mc, NodeInfo *nodes, int nb_nodes, ram_addr_t size); void numa_cpu_pre_plug(const struct CPUArchId *slot, DeviceState *dev, Error **errp); +bool numa_uses_legacy_mem(void); #endif @@ -4290,7 +4290,7 @@ int main(int argc, char **argv, char **envp) parse_numa_opts(current_machine); if (machine_class->default_ram_id && current_machine->ram_size && - !current_machine->ram_memdev_id) { + numa_uses_legacy_mem() && !current_machine->ram_memdev_id) { create_default_memdev(current_machine, mem_path, mem_prealloc); } /* do monitor/qmp handling at preconfig state if requested */ |