Author: hselasky
Date: Thu Aug 3 09:11:51 2017
New Revision: 321983
URL: https://svnweb.freebsd.org/changeset/base/321983
Log:
Using GFP_ATOMIC with firmware commands is not supported after busdma was
introduced in the mlx5core, because busdma might sleep when loading memory
into DMA.
MFC after: 3 days
Sponsored by: Mellanox Technologies
Modified:
head/sys/dev/mlx5/mlx5_core/mlx5_cmd.c
Modified: head/sys/dev/mlx5/mlx5_core/mlx5_cmd.c
==============================================================================
--- head/sys/dev/mlx5/mlx5_core/mlx5_cmd.c Thu Aug 3 08:03:22 2017
(r321982)
+++ head/sys/dev/mlx5/mlx5_core/mlx5_cmd.c Thu Aug 3 09:11:51 2017
(r321983)
@@ -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)) {
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