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| author | Xiang Chen <chenxiang66@hisilicon.com> | 2019-10-24 22:08:10 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-10-24 21:31:13 -0400 |
| commit | 8fa9a7bd3099a96194d767ce681c68dbcb8a957e (patch) | |
| tree | ea011d74631bd82fa17f805132f46b1d7a96ff67 /tools/perf/scripts/python/export-to-sqlite.py | |
| parent | scsi: hisi_sas: Set the BIST init value before enabling BIST (diff) | |
| download | linux-8fa9a7bd3099a96194d767ce681c68dbcb8a957e.tar.gz linux-8fa9a7bd3099a96194d767ce681c68dbcb8a957e.zip | |
scsi: hisi_sas: use wait_for_completion_timeout() when clearing ITCT
When injecting 2bit ecc errors, it will cause confusion inside SAS
controller which needs host reset to recover it. If a device is gone at the
same times inject 2bit ecc errors, we may not receive the ITCT interrupt so
it will wait for completion in clear_itct_v3_hw() all the time. And host
reset will also not occur because it can't require hisi_hba->sem, so the
system will be suspended.
To solve the issue, use wait_for_completion_timeout() instead of
wait_for_completion(), and also don't mark the gone device as
SAS_PHY_UNUSED when device gone.
Link: https://lore.kernel.org/r/1571926105-74636-4-git-send-email-john.garry@huawei.com
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-sqlite.py')
0 files changed, 0 insertions, 0 deletions