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vl: clean up global property registration

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It's not that clear on how the global properties are registered to
global_props (and also its priority relationship). Let's provide a
single function to be called in main() for that, with comment to explain
it a bit.

Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <1498536619-14548-4-git-send-email-peterx@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Peter Xu 2017-06-27 12:10:12 +08:00 committed by Juan Quintela
parent 9ffea096b9
commit a0660e0bb8
1 changed files with 24 additions and 5 deletions
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29
vl.c
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@ -2969,6 +2969,25 @@ static int qemu_read_default_config_file(void)
return 0; return 0;
} }
static void user_register_global_props(void)
{
qemu_opts_foreach(qemu_find_opts("global"),
global_init_func, NULL, NULL);
}
/*
* Note: we should see that these properties are actually having a
* priority: accel < machine < user. This means e.g. when user
* specifies something in "-global", it'll always be used with highest
* priority than either machine/accelerator compat properties.
*/
static void register_global_properties(MachineState *ms)
{
accel_register_compat_props(ms->accelerator);
machine_register_compat_props(ms);
user_register_global_props();
}
int main(int argc, char **argv, char **envp) int main(int argc, char **argv, char **envp)
{ {
int i; int i;
@ -4571,11 +4590,11 @@ int main(int argc, char **argv, char **envp)
exit (i == 1 ? 1 : 0); exit (i == 1 ? 1 : 0);
} }
accel_register_compat_props(current_machine->accelerator); /*
machine_register_compat_props(current_machine); * Register all the global properties, including accel properties,
* machine properties, and user-specified ones.
qemu_opts_foreach(qemu_find_opts("global"), */
global_init_func, NULL, NULL); register_global_properties(current_machine);
/* This checkpoint is required by replay to separate prior clock /* This checkpoint is required by replay to separate prior clock
reading from the other reads, because timer polling functions query reading from the other reads, because timer polling functions query