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qom: simplify object_find_property / object_class_find_property

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When debugging QEMU it is often useful to put a breakpoint on the
error_setg_internal method impl.

Unfortunately the object_property_add / object_class_property_add
methods call object_property_find / object_class_property_find methods
to check if a property exists already before adding the new property.

As a result there are a huge number of calls to error_setg_internal
on startup of most QEMU commands, making it very painful to set a
breakpoint on this method.

Most callers of object_find_property and object_class_find_property,
however, pass in a NULL for the Error parameter. This simplifies the
methods to remove the Error parameter entirely, and then adds some
new wrapper methods that are able to raise an Error when needed.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200914135617.1493072-1-berrange@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2020-09-14 14:56:17 +01:00 • committed by Eduardo Habkost
parent 834b9273d5
commit efba15959c
22 changed files with 109 additions and 61 deletions
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2
target/ppc/translate_init.c.inc
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@ -10478,7 +10478,7 @@ static void ppc_cpu_parse_featurestr(const char *type, char *features,
return;
}
if (object_property_find(machine, "max-cpu-compat", NULL)) {
if (object_property_find(machine, "max-cpu-compat")) {
int i;
char **inpieces;
char *s = features;