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(parent: 5d9745c) | patch
RDMA/usnic: use iommu_map_atomic() under spin_lock()
authorYang Yingliang <yangyingliang@huawei.com>
Sun, 29 Jan 2023 09:37:57 +0000 (17:37 +0800)
committerLeon Romanovsky <leon@kernel.org>
Mon, 30 Jan 2023 09:38:41 +0000 (11:38 +0200)
commitb7e08a5a63a11627601915473c3b569c1f6c6c06
treee5c9a280abec860214e5539e4484b2ef7e903f6ctree | snapshot
parent5d9745cead1f121974322b94ceadfb4d1e67960ecommit | diff
RDMA/usnic: use iommu_map_atomic() under spin_lock()

usnic_uiom_map_sorted_intervals() is called under spin_lock(), iommu_map()
might sleep, use iommu_map_atomic() to avoid potential sleep in atomic
context.

Fixes: e3cf00d0a87f ("IB/usnic: Add Cisco VIC low-level hardware driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20230129093757.637354-1-yangyingliang@huawei.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
drivers/infiniband/hw/usnic/usnic_uiom.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git