RDMA/hns: Fix deadlock on SRQ async events.

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[ Upstream commit b46494b6f9 ]

xa_lock for SRQ table may be required in AEQ. Use xa_store_irq()/
xa_erase_irq() to avoid deadlock.

Fixes: 81fce6291d ("RDMA/hns: Add SRQ asynchronous event support")
Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://lore.kernel.org/r/20240412091616.370789-5-huangjunxian6@hisilicon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Chengchang Tang 2024-04-12 17:16:10 +08:00 • committed by Greg Kroah-Hartman

parent 755b313811

commit 756ddbe665

2 changed files with 4 additions and 3 deletions

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1

drivers/infiniband/hw/hns/hns_roce_main.c

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6

drivers/infiniband/hw/hns/hns_roce_srq.c

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