pc-dev@lists.ozlabs.org; linux-
> > ker...@vger.kernel.org; dan.j.willi...@gmail.com; Vinod Koul;
> > herb...@gondor.hengli.com.au; Dan Williams; da...@davemloft.net
> > Subject: Re: [PATCH v5 3/6] fsl-dma: change release process of dma
> > descriptor for supporting async_tx
&g
02, 2012 1:25 AM
> To: Liu Qiang-B32616
> Cc: linux-cry...@vger.kernel.org; linuxppc-dev@lists.ozlabs.org; linux-
> ker...@vger.kernel.org; dan.j.willi...@gmail.com; Vinod Koul;
> herb...@gondor.hengli.com.au; Dan Williams; da...@davemloft.net
> Subject: Re: [PATCH v5 3/6] fsl-dma: cha
Vinod Koul;
> herb...@gondor.hengli.com.au; Dan Williams; da...@davemloft.net
> Subject: Re: [PATCH v5 3/6] fsl-dma: change release process of dma
> descriptor for supporting async_tx
>
> On Wed, Aug 01, 2012 at 04:49:17PM +0800, qiang@freescale.com wrote:
> > From: Qiang Liu
>
On Wed, Aug 01, 2012 at 04:49:17PM +0800, qiang@freescale.com wrote:
> From: Qiang Liu
>
> Fix the potential risk when enable config NET_DMA and ASYNC_TX.
> Async_tx is lack of support in current release process of dma descriptor,
> all descriptors will be released whatever is acked or no-ack
s.ozlabs.org; linux-
> ker...@vger.kernel.org; dan.j.willi...@gmail.com
> Cc: Phillips Kim-R1AAHA; herb...@gondor.hengli.com.au;
> da...@davemloft.net; Liu Qiang-B32616; Dan Williams; Vinod Koul; Li Yang-
> R58472; Ira W. Snyder
> Subject: [PATCH v5 3/6] fsl-dma: change release proc
From: Qiang Liu
Fix the potential risk when enable config NET_DMA and ASYNC_TX.
Async_tx is lack of support in current release process of dma descriptor,
all descriptors will be released whatever is acked or no-acked by async_tx,
so there is a potential race condition when dma engine is uesd by o
