From: Suzuki K Poulose suzuki.poulose@arm.com
commit bb5293e334af51b19b62d8bef1852ea13e935e9b upstream.
The TRBE driver wrongly treats the aux private data as the TRBE driver specific buffer for a given perf handle, while it is the ETM PMU's event specific data. Fix this by correcting the instance to use appropriate helper.
Cc: stable stable@vger.kernel.org Fixes: 3fbf7f011f24 ("coresight: sink: Add TRBE driver") Signed-off-by: Suzuki K Poulose suzuki.poulose@arm.com Reviewed-by: Anshuman Khandual anshuman.khandual@arm.com Link: https://lore.kernel.org/r/20210921134121.2423546-2-suzuki.poulose@arm.com [Fixed 13 character SHA down to 12] Signed-off-by: Mathieu Poirier mathieu.poirier@linaro.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/hwtracing/coresight/coresight-trbe.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/hwtracing/coresight/coresight-trbe.c +++ b/drivers/hwtracing/coresight/coresight-trbe.c @@ -366,7 +366,7 @@ static unsigned long __trbe_normal_offse
static unsigned long trbe_normal_offset(struct perf_output_handle *handle) { - struct trbe_buf *buf = perf_get_aux(handle); + struct trbe_buf *buf = etm_perf_sink_config(handle); u64 limit = __trbe_normal_offset(handle); u64 head = PERF_IDX2OFF(handle->head, buf);