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| author | Yangyang Li <liyangyang20@huawei.com> | 2021-01-19 17:28:33 +0800 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2021-01-19 20:20:13 -0400 |
| commit | 9293d3fcb70583f2c786f04ca788af026b7c4c5c (patch) | |
| tree | da27553935e091e3d6d04328119aec4d98ad9521 /kernel/events | |
| parent | 9f206f7398f6f6ec7dd0198c045c2459b4f720b6 (diff) | |
RDMA/hns: Use mutex instead of spinlock for ida allocation
GFP_KERNEL may cause ida_alloc_range() to sleep, but the spinlock covering
this function is not allowed to sleep, so the spinlock needs to be changed
to mutex.
As there is a certain chance of memory allocation failure, GFP_ATOMIC is
not suitable for QP allocation scenarios.
Fixes: 71586dd20010 ("RDMA/hns: Create QP with selected QPN for bank load balance")
Link: https://lore.kernel.org/r/1611048513-28663-1-git-send-email-liweihang@huawei.com
Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'kernel/events')
0 files changed, 0 insertions, 0 deletions