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machine: Make possible_cpu_arch_ids() return const pointer

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make sure that external callers won't try to modify
possible_cpus and owner of possible_cpus can access
it directly when it modifies it.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <1484759609-264075-5-git-send-email-imammedo@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Igor Mammedov 2017-01-18 18:13:20 +01:00 • committed by Eduardo Habkost
parent 074281d62e
commit 80e5db303d
8 changed files with 13 additions and 23 deletions
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8
hw/i386/acpi-build.c
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@ -332,7 +332,7 @@ build_fadt(GArray *table_data, BIOSLinker *linker, AcpiPmInfo *pm,
}
void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid,
CPUArchIdList *apic_ids, GArray *entry)
const CPUArchIdList *apic_ids, GArray *entry)
{
uint32_t apic_id = apic_ids->cpus[uid].arch_id;
@ -373,7 +373,7 @@ static void
build_madt(GArray *table_data, BIOSLinker *linker, PCMachineState *pcms)
{
MachineClass *mc = MACHINE_GET_CLASS(pcms);
CPUArchIdList *apic_ids = mc->possible_cpu_arch_ids(MACHINE(pcms));
const CPUArchIdList *apic_ids = mc->possible_cpu_arch_ids(MACHINE(pcms));
int madt_start = table_data->len;
AcpiDeviceIfClass *adevc = ACPI_DEVICE_IF_GET_CLASS(pcms->acpi_dev);
AcpiDeviceIf *adev = ACPI_DEVICE_IF(pcms->acpi_dev);
@ -394,7 +394,6 @@ build_madt(GArray *table_data, BIOSLinker *linker, PCMachineState *pcms)
x2apic_mode = true;
}
}
g_free(apic_ids);
io_apic = acpi_data_push(table_data, sizeof *io_apic);
io_apic->type = ACPI_APIC_IO;
@ -2294,7 +2293,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine)
int srat_start, numa_start, slots;
uint64_t mem_len, mem_base, next_base;
MachineClass *mc = MACHINE_GET_CLASS(machine);
CPUArchIdList *apic_ids = mc->possible_cpu_arch_ids(machine);
const CPUArchIdList *apic_ids = mc->possible_cpu_arch_ids(machine);
PCMachineState *pcms = PC_MACHINE(machine);
ram_addr_t hotplugabble_address_space_size =
object_property_get_int(OBJECT(pcms), PC_MACHINE_MEMHP_REGION_SIZE,
@ -2393,7 +2392,6 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine)
(void *)(table_data->data + srat_start),
"SRAT",
table_data->len - srat_start, 1, NULL, NULL);
g_free(apic_ids);
}
static void