However, I think this log can be used to quickly locate the function or
module if dma alloc failed.
On 2021/3/30 15:56, Joe Perches wrote:
On Tue, 2021-03-30 at 15:39 +0800, Kai Ye wrote:
Add some dfx logs in some abnormal exit situations.
[]
diff --git a/drivers/crypto/hisilicon/sgl.c b/drivers/crypto/hisilicon/sgl.c
[]
@@ -87,8 +87,10 @@ struct hisi_acc_sgl_pool *hisi_acc_create_sgl_pool(struct device *dev,
block[i].sgl = dma_alloc_coherent(dev, block_size,
&block[i].sgl_dma,
GFP_KERNEL);
- if (!block[i].sgl)
+ if (!block[i].sgl) {
+ dev_err(dev, "Fail to allocate hw SG buffer!\n");
This doesn't seem useful as dma_alloc_coherent does a dump_stack
by default on OOM.
.