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| author | Cong Zhang <cong.zhang@oss.qualcomm.com> | 2025-12-03 11:34:21 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2025-12-04 07:19:26 -0700 |
| commit | c196bf43d706592d8801a7513603765080e495fb (patch) | |
| tree | 0ffaf024c12eae960197bb852424b23768dbcfb6 /tools/lib/python/kdoc/python_version.py | |
| parent | 71075d25ca5cae732fb57da065fbf14aeb3bcfc7 (diff) | |
blk-mq: Abort suspend when wakeup events are pending
During system suspend, wakeup capable IRQs for block device can be
delayed, which can cause blk_mq_hctx_notify_offline() to hang
indefinitely while waiting for pending request to complete.
Skip the request waiting loop and abort suspend when wakeup events are
pending to prevent the deadlock.
Fixes: bf0beec0607d ("blk-mq: drain I/O when all CPUs in a hctx are offline")
Signed-off-by: Cong Zhang <cong.zhang@oss.qualcomm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'tools/lib/python/kdoc/python_version.py')
0 files changed, 0 insertions, 0 deletions