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qapi: Use QAPI_LIST_PREPEND() where possible

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Anywhere we create a list of just one item or by prepending items
(typically because order doesn't matter), we can use
QAPI_LIST_PREPEND().  But places where we must keep the list in order
by appending remain open-coded until later patches.

Note that as a side effect, this also performs a cleanup of two minor
issues in qga/commands-posix.c: the old code was performing
 new = g_malloc0(sizeof(*ret));
which 1) is confusing because you have to verify whether 'new' and
'ret' are variables with the same type, and 2) would conflict with C++
compilation (not an actual problem for this file, but makes
copy-and-paste harder).

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20201113011340.463563-5-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
[Straightforward conflicts due to commit a8aa94b5f8 "qga: update
schema for guest-get-disks 'dependents' field" and commit a10b453a52
"target/mips: Move mips_cpu_add_definition() from helper.c to cpu.c"
resolved.  Commit message tweaked.]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Eric Blake 2020-11-12 19:13:37 -06:00 • committed by Markus Armbruster
parent eaedde5255
commit 54aa3de72e
32 changed files with 158 additions and 421 deletions
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22
trace/qmp.c
View file

@ -92,39 +92,37 @@ TraceEventInfoList *qmp_trace_event_get_state(const char *name,
/* Get states (all errors checked above) */
trace_event_iter_init(&iter, name);
while ((ev = trace_event_iter_next(&iter)) != NULL) {
TraceEventInfoList *elem;
TraceEventInfo *value;
bool is_vcpu = trace_event_is_vcpu(ev);
if (has_vcpu && !is_vcpu) {
continue;
}
elem = g_new(TraceEventInfoList, 1);
elem->value = g_new(TraceEventInfo, 1);
elem->value->vcpu = is_vcpu;
elem->value->name = g_strdup(trace_event_get_name(ev));
value = g_new(TraceEventInfo, 1);
value->vcpu = is_vcpu;
value->name = g_strdup(trace_event_get_name(ev));
if (!trace_event_get_state_static(ev)) {
elem->value->state = TRACE_EVENT_STATE_UNAVAILABLE;
value->state = TRACE_EVENT_STATE_UNAVAILABLE;
} else {
if (has_vcpu) {
if (is_vcpu) {
if (trace_event_get_vcpu_state_dynamic(cpu, ev)) {
elem->value->state = TRACE_EVENT_STATE_ENABLED;
value->state = TRACE_EVENT_STATE_ENABLED;
} else {
elem->value->state = TRACE_EVENT_STATE_DISABLED;
value->state = TRACE_EVENT_STATE_DISABLED;
}
}
/* else: already skipped above */
} else {
if (trace_event_get_state_dynamic(ev)) {
elem->value->state = TRACE_EVENT_STATE_ENABLED;
value->state = TRACE_EVENT_STATE_ENABLED;
} else {
elem->value->state = TRACE_EVENT_STATE_DISABLED;
value->state = TRACE_EVENT_STATE_DISABLED;
}
}
}
elem->next = events;
events = elem;
QAPI_LIST_PREPEND(events, value);
}
return events;