On Fri, 18 Nov 2011 08:53:00 -0800
Jesse Brandeburg jesse.brandeb...@intel.com wrote:
On Thu, 17 Nov 2011 17:46:46 -0800
Flavio Leitner f...@redhat.com wrote:
On Fri, 18 Nov 2011 09:37:12 +0800
Michael Wang wang...@linux.vnet.ibm.com wrote:
From: Michael Wang
From: Michael Wang wang...@linux.vnet.ibm.com
Descriptors may not be write-back while checking TX hang with flag
FLAG2_DMA_BURST on.
So when we detect hang, we just flush the descriptor and detect
again for once.
Signed-off-by: Michael Wang wang...@linux.vnet.ibm.com
---
On Fri, 18 Nov 2011 09:37:12 +0800
Michael Wang wang...@linux.vnet.ibm.com wrote:
From: Michael Wang wang...@linux.vnet.ibm.com
Descriptors may not be write-back while checking TX hang with flag
FLAG2_DMA_BURST on.
So when we detect hang, we just flush the descriptor and detect
again for
Hi
This patch fix the wrong check on TX hang when in burst mode.
The wrong check is caused by that:
When in burst mode, the descriptor will not been write-back immediately,
until reach enough number.
In this situation, when the hang is detected, it may be caused by that
the descriptor has not
