[v4,0/2] coresight: Fix for snapshot mode

Message

Leo Yan Sept. 12, 2021, 12:57 p.m. UTC

This patch series fixes the snapshot mode in the CoreSight driver.

The first patch simplifies the head pointer handling for AUX buffer, the
second patch updates the driver comments to reflect the latest status
for perf tool.

Changes from v3:
- Made the comments generic in CoreSight drivers (Suzuki).

Changes from v2:
- Minor improvement the commits for patches 01 and 02.


Leo Yan (2):
  coresight: tmc-etr: Use perf_output_handle::head for AUX ring buffer
  coresight: Update comments for removing cs_etm_find_snapshot()

 drivers/hwtracing/coresight/coresight-etb10.c   |  5 ++---
 drivers/hwtracing/coresight/coresight-tmc-etf.c |  5 ++---
 drivers/hwtracing/coresight/coresight-tmc-etr.c | 15 +++++----------
 3 files changed, 9 insertions(+), 16 deletions(-)