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(parent: 2ce3843) | patch
RDMA/hns: Fix deadlock on SRQ async events.
authorChengchang Tang <tangchengchang@huawei.com>
Fri, 12 Apr 2024 09:16:10 +0000 (17:16 +0800)
committerLeon Romanovsky <leon@kernel.org>
Tue, 16 Apr 2024 12:06:47 +0000 (15:06 +0300)
commitb46494b6f9c19f141114a57729e198698f40af37
tree2a52ce03ba58dc0bd119f56e49b9f8e0de813859tree | snapshot
parent2ce384307f2ddf39dc662878e151722199afc9aecommit | diff
RDMA/hns: Fix deadlock on SRQ async events.

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

Fixes: 81fce6291d99 ("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>
drivers/infiniband/hw/hns/hns_roce_main.c diff | blob | history
drivers/infiniband/hw/hns/hns_roce_srq.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git