[PATCH v3 0/3] Fix some racing problems btw err_handler and paths like system PM ops and the task abort callback

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This series mainly fixes racing problems btw err_handler and paths like
system PM ops, async scan and task abort callback. 

This series has been tested with error/fault injections to system PM
operations, async scan and task abort to the UFS device W-LU.

Change since v2:
- Added one more minor change into this series.

Change since v1:
- Removed Change-Id from commit msg

Can Guo (3):
  scsi: ufs: Serialize eh_work with system PM events and async scan
  scsi: ufs: Fix a racing problem between ufshcd_abort and eh_work
  scsi: ufs: Print host regs in IRQ handler when AH8 error happens

 drivers/scsi/ufs/ufshcd.c | 122 ++++++++++++++++++++++++++++++++--------------
 drivers/scsi/ufs/ufshcd.h |   3 ++
 2 files changed, 88 insertions(+), 37 deletions(-)

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.




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