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perf/aux: Make perf_event accessible to setup_aux()

Selaa lähdekoodia 
When pmu::setup_aux() is called the coresight PMU needs to know which
sink to use for the session by looking up the information in the
event's attr::config2 field.

As such simply replace the cpu information by the complete perf_event
structure and change all affected customers.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Suzuki Poulouse <suzuki.poulose@arm.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-s390@vger.kernel.org
Link: http://lkml.kernel.org/r/20190131184714.20388-2-mathieu.poirier@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Mathieu Poirier
2019-01-31 11:47:08 -07:00
committed by Arnaldo Carvalho de Melo
vanhempi ebc52aee61
commit 840018668c
7 muutettua tiedostoa jossa 17 lisäystä ja 14 poistoa
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6
drivers/hwtracing/coresight/coresight-etm-perf.c
Näytä tiedosto

@@ -177,15 +177,15 @@ static void etm_free_aux(void *data)
schedule_work(&event_data->work);
}
static void *etm_setup_aux(int event_cpu, void **pages,
static void *etm_setup_aux(struct perf_event *event, void **pages,
int nr_pages, bool overwrite)
{
int cpu;
int cpu = event->cpu;
cpumask_t *mask;
struct coresight_device *sink;
struct etm_event_data *event_data = NULL;
event_data = alloc_event_data(event_cpu);
event_data = alloc_event_data(cpu);
if (!event_data)
return NULL;
INIT_WORK(&event_data->work, free_event_data);