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| author |   Sagi Grimberg <sagi@grimberg.me> | 2017-03-06 18:46:20 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@fb.com> | 2017-04-04 09:48:23 -0600 |
| commit | 427242ce99e43208188f843eed2739d8a99cc967 (patch) | |
| tree | 3d4323de943fa306b0a03d72345971ee11a3b521 /drivers/nvme/target/rdma.c | |
| parent | nvme-loop: handle cpu unplug when re-establishing the controller (diff) | |
| download | linux-rng-427242ce99e43208188f843eed2739d8a99cc967.tar.xz linux-rng-427242ce99e43208188f843eed2739d8a99cc967.zip | |
nvmet: confirm sq percpu has scheduled and switched to atomic
percpu_ref_kill is not enough to prevent subsequent
percpu_ref_tryget_live from failing. Hence call
perfcpu_ref_kill_confirm to make it safe.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
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