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hw/nvme: unregister the event notifier handler on the main loop

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Make sure the notifier handler is unregistered in the main loop prior to
cleaning it up.

Fixes: 2e53b0b45024 ("hw/nvme: Use ioeventfd to handle doorbell updates")
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Jinhao Fan <fanjinhao21s@ict.ac.cn>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
This commit is contained in:
Klaus Jensen 2022-07-28 08:48:51 +02:00
parent a2da737729
commit 04e8da8890
1 changed files with 2 additions and 0 deletions
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2
hw/nvme/ctrl.c
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@ -4311,6 +4311,7 @@ static void nvme_free_sq(NvmeSQueue *sq, NvmeCtrl *n)
if (sq->ioeventfd_enabled) {
memory_region_del_eventfd(&n->iomem,
0x1000 + offset, 4, false, 0, &sq->notifier);
event_notifier_set_handler(&sq->notifier, NULL);
event_notifier_cleanup(&sq->notifier);
}
g_free(sq->io_req);
@ -4701,6 +4702,7 @@ static void nvme_free_cq(NvmeCQueue *cq, NvmeCtrl *n)
if (cq->ioeventfd_enabled) {
memory_region_del_eventfd(&n->iomem,
0x1000 + offset, 4, false, 0, &cq->notifier);
event_notifier_set_handler(&cq->notifier, NULL);
event_notifier_cleanup(&cq->notifier);
}
if (msix_enabled(&n->parent_obj)) {