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Using GFP_ATOMIC with firmware commands is not supported after busdma was

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introduced in the mlx5core, because busdma might sleep when loading memory
into DMA.

MFC after:	3 days
Sponsored by:	Mellanox Technologies
This commit is contained in:
Hans Petter Selasky 2017-08-03 09:11:51 +00:00
parent 9391cb0228
commit 1d4905b5b0
1 changed files with 1 additions and 2 deletions
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3
sys/dev/mlx5/mlx5_core/mlx5_cmd.c
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@ -1434,12 +1434,11 @@ static int cmd_exec_helper(struct mlx5_core_dev *dev,
struct mlx5_cmd_msg *inb;
struct mlx5_cmd_msg *outb;
int pages_queue;
gfp_t gfp;
const gfp_t gfp = GFP_KERNEL;
int err;
u8 status = 0;
pages_queue = is_manage_pages(in);
gfp = callback ? GFP_ATOMIC : GFP_KERNEL;
inb = alloc_msg(dev, in_size, gfp);
if (IS_ERR(inb)) {