* [PATCH -next] RDMA/hns: Use GFP_ATOMIC under spin lock
@ 2021-04-07 15:49 Wei Yongjun
2021-04-07 23:32 ` Jason Gunthorpe
0 siblings, 1 reply; 2+ messages in thread
From: Wei Yongjun @ 2021-04-07 15:49 UTC (permalink / raw)
To: weiyongjun1, Yangyang Li, Lijun Ou, Weihang Li, Doug Ledford,
Jason Gunthorpe
Cc: linux-rdma, kernel-janitors, Hulk Robot
A spin lock is taken here so we should use GFP_ATOMIC.
Fixes: f91696f2f053 ("RDMA/hns: Support congestion control type selection according to the FW")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
---
drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 1213f4011dd1..0312d383d49e 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -4623,7 +4623,7 @@ static int get_dip_ctx_idx(struct ib_qp *ibqp, const struct ib_qp_attr *attr,
/* If no dgid is found, a new dip and a mapping between dgid and
* dip_idx will be created.
*/
- hr_dip = kzalloc(sizeof(*hr_dip), GFP_KERNEL);
+ hr_dip = kzalloc(sizeof(*hr_dip), GFP_ATOMIC);
if (!hr_dip) {
ret = -ENOMEM;
goto out;
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH -next] RDMA/hns: Use GFP_ATOMIC under spin lock
2021-04-07 15:49 [PATCH -next] RDMA/hns: Use GFP_ATOMIC under spin lock Wei Yongjun
@ 2021-04-07 23:32 ` Jason Gunthorpe
0 siblings, 0 replies; 2+ messages in thread
From: Jason Gunthorpe @ 2021-04-07 23:32 UTC (permalink / raw)
To: Wei Yongjun
Cc: Yangyang Li, Lijun Ou, Weihang Li, Doug Ledford, linux-rdma,
kernel-janitors, Hulk Robot
On Wed, Apr 07, 2021 at 03:49:00PM +0000, Wei Yongjun wrote:
> A spin lock is taken here so we should use GFP_ATOMIC.
>
> Fixes: f91696f2f053 ("RDMA/hns: Support congestion control type selection according to the FW")
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
> ---
> drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Applied to for-next, thanks
Jason
^ permalink raw reply [flat|nested] 2+ messages in thread
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