From: Quanyang Wang
The function xilinx_dpdma_chan_alloc_tx_desc can be called
from atomic context, hence use GFP_ATOMIC instead of GFP_KERNEL,
or else it will cause the calltrace as below:
BUG: sleeping function called from invalid context at mm/slab.h:418
in_atomic(): 1, irqs_disabled(): 128,
On 10/18/19 10:42 PM, Radhey Shyam Pandey wrote:
-Original Message-
From: Hyun Kwon
Sent: Thursday, October 17, 2019 11:01 PM
To: Quanyang Wang
Cc: Hyun Kwon ; Michal Simek ;
Bruce ; linux-yocto@yoctoproject.org; Radhey
Shyam Pandey
Subject: Re: [linux-yocto][PATCH 1/1] dma: xilinx
On 10/17/19 1:01 AM, Hyun Kwon wrote:
Hi Quanyang,
Thanks for the patch.
On Tue, 2019-10-15 at 22:49:41 -0700, Michal Simek wrote:
+Hyun,
On 15. 10. 19 16:56, quanyang.w...@windriver.com wrote:
From: Quanyang Wang
The function xilinx_dpdma_chan_alloc_tx_desc can be called
from atomic
From: Quanyang Wang
The function xilinx_dpdma_chan_alloc_tx_desc can be called
from atomic context, hence use GFP_ATOMIC instead of GFP_KERNEL,
or else it will cause the calltrace as below:
BUG: sleeping function called from invalid context at mm/slab.h:418
in_atomic(): 1, irqs_disabled(): 128,