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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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10
hw/i386/pc.c
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@ -2240,15 +2240,11 @@ static unsigned pc_cpu_index_to_socket_id(unsigned cpu_index)
return topo.pkg_id;
}
static CPUArchIdList *pc_possible_cpu_arch_ids(MachineState *machine)
static const CPUArchIdList *pc_possible_cpu_arch_ids(MachineState *machine)
{
PCMachineState *pcms = PC_MACHINE(machine);
int len = sizeof(CPUArchIdList) +
sizeof(CPUArchId) * (pcms->possible_cpus->len);
CPUArchIdList *list = g_malloc(len);
memcpy(list, pcms->possible_cpus, len);
return list;
assert(pcms->possible_cpus);
return pcms->possible_cpus;
}
static HotpluggableCPUList *pc_query_hotpluggable_cpus(MachineState *machine)