il.com; Vinod Koul; Li
> Yang-R58472; herb...@gondor.apana.org.au
> Subject: Re: [PATCH v4 3/7] fsl-dma: change release process of dma
> descriptor for supporting async_tx
>
> On Tue, Jul 31, 2012 at 04:09:28AM +, Liu Qiang-B32616 wrote:
> > > -Original Messag
dev@lists.ozlabs.org; Phillips
> > Kim-R1AAHA; herb...@gondor.hengli.com.au; da...@davemloft.net; Dan
> > Williams; Vinod Koul; Li Yang-R58472
> > Subject: Re: [PATCH v4 3/7] fsl-dma: change release process of dma
> > descriptor for supporting async_tx
> >
> > On Fr
davemloft.net; Dan
> Williams; Vinod Koul; Li Yang-R58472
> Subject: Re: [PATCH v4 3/7] fsl-dma: change release process of dma
> descriptor for supporting async_tx
>
> On Fri, Jul 27, 2012 at 05:16:09PM +0800, qiang@freescale.com wrote:
> > From: Qiang Liu
> >
> > Fi
On Fri, Jul 27, 2012 at 05:16:09PM +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
im-R1AAHA; herb...@gondor.hengli.com.au;
> da...@davemloft.net; Liu Qiang-B32616; Dan Williams; Vinod Koul; Li Yang-
> R58472; Ira W. Snyder
> Subject: [PATCH v4 3/7] fsl-dma: change release process of dma descriptor
> for supporting async_tx
>
> From: Qiang Liu
>
> Fi
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
