Gerd Hoffmann d97df4b84b qxl: fix modular builds with dtrace
Checking the enable/disable state of tracepoints via
trace_event_get_state_backends() does not work for modules.

qxl checks the state for a small optimization (avoid g_strndup
call in case log_buf will not be used anyway), so we can just
drop that check for modular builds.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20200720100352.2477-2-kraxel@redhat.com>
2020-07-21 10:56:47 +02:00
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