> >> Will this engine be coordinating with another to handle memory copies?
> >> The dma mapping code for async_tx/raid is broken when dma mapping
> >> requests overlap or cross dma device boundaries [1].
> >>
> >> [1]: http://marc.info/?l=linux-arm-kernel=129407269402930=2
> > Yes, it needs
Will this engine be coordinating with another to handle memory copies?
The dma mapping code for async_tx/raid is broken when dma mapping
requests overlap or cross dma device boundaries [1].
[1]: http://marc.info/?l=linux-arm-kernelm=129407269402930w=2
Yes, it needs fsl-dma to handle
On Tue, Sep 4, 2012 at 5:28 AM, Liu Qiang-B32616 wrote:
>> Will this engine be coordinating with another to handle memory copies?
>> The dma mapping code for async_tx/raid is broken when dma mapping
>> requests overlap or cross dma device boundaries [1].
>>
>> [1]:
oft.net; linux-kernel@vger.kernel.org; linuxppc-
> d...@lists.ozlabs.org; Li Yang-R58472; Phillips Kim-R1AAHA;
> vinod.k...@intel.com; dan.j.willi...@intel.com; a...@arndb.de;
> gre...@linuxfoundation.org
> Subject: Re: [PATCH v7 1/8] Talitos: Support for async_tx XOR offload
>
>
@vger.kernel.org; linuxppc-
d...@lists.ozlabs.org; Li Yang-R58472; Phillips Kim-R1AAHA;
vinod.k...@intel.com; dan.j.willi...@intel.com; a...@arndb.de;
gre...@linuxfoundation.org
Subject: Re: [PATCH v7 1/8] Talitos: Support for async_tx XOR offload
On Thu, Aug 9, 2012 at 1:20 AM, qiang@freescale.com
On Tue, Sep 4, 2012 at 5:28 AM, Liu Qiang-B32616 b32...@freescale.com wrote:
Will this engine be coordinating with another to handle memory copies?
The dma mapping code for async_tx/raid is broken when dma mapping
requests overlap or cross dma device boundaries [1].
[1]:
On Thu, Aug 9, 2012 at 1:20 AM, wrote:
> From: Qiang Liu
>
> Expose Talitos's XOR functionality to be used for RAID parity
> calculation via the Async_tx layer.
>
> Cc: Herbert Xu
> Cc: David S. Miller
> Signed-off-by: Dipen Dudhat
> Signed-off-by: Maneesh Gupta
> Signed-off-by: Kim
On Thu, Aug 30, 2012 at 7:23 AM, Geanta Neag Horia Ioan-B05471
wrote:
>
> Besides these:
> 1. As Dan Williams mentioned, you should explain why you are using
> both spin_lock_bh and spin_lock_irqsave on the same lock.
It looks like talitos_process_pending() can be called from hardirq
context via
On Thu, Aug 30, 2012 at 7:23 AM, Geanta Neag Horia Ioan-B05471
b05...@freescale.com wrote:
Besides these:
1. As Dan Williams mentioned, you should explain why you are using
both spin_lock_bh and spin_lock_irqsave on the same lock.
It looks like talitos_process_pending() can be called from
On Thu, Aug 9, 2012 at 1:20 AM, qiang@freescale.com wrote:
From: Qiang Liu qiang@freescale.com
Expose Talitos's XOR functionality to be used for RAID parity
calculation via the Async_tx layer.
Cc: Herbert Xu herb...@gondor.apana.org.au
Cc: David S. Miller da...@davemloft.net
org; linuxppc-
> d...@lists.ozlabs.org
> Cc: Li Yang-R58472; Phillips Kim-R1AAHA; vinod.k...@intel.com; Dan
> Williams; a...@arndb.de; gre...@linuxfoundation.org
> Subject: RE: [PATCH v7 1/8] Talitos: Support for async_tx XOR offload
>
> On Fri, 31 Aug 2012 06:08:05 +0300, Liu Qiang-B32616
>
; herb...@gondor.hengli.com.au;
> > da...@davemloft.net; linux-kernel@vger.kernel.org; linuxppc-
> > d...@lists.ozlabs.org
> > Cc: Li Yang-R58472; Phillips Kim-R1AAHA; vinod.k...@intel.com;
> > dan.j.willi...@intel.com; a...@arndb.de; gre...@linuxfoundation.org; Liu
> > Q
...@gondor.hengli.com.au;
da...@davemloft.net; linux-kernel@vger.kernel.org; linuxppc-
d...@lists.ozlabs.org
Cc: Li Yang-R58472; Phillips Kim-R1AAHA; vinod.k...@intel.com;
dan.j.willi...@intel.com; a...@arndb.de; gre...@linuxfoundation.org; Liu
Qiang-B32616
Subject: RE: [PATCH v7 1/8] Talitos: Support
Cc: Li Yang-R58472; Phillips Kim-R1AAHA; vinod.k...@intel.com; Dan
Williams; a...@arndb.de; gre...@linuxfoundation.org
Subject: RE: [PATCH v7 1/8] Talitos: Support for async_tx XOR offload
On Fri, 31 Aug 2012 06:08:05 +0300, Liu Qiang-B32616
b32...@freescale.com
wrote:
-Original
org; linuxppc-
> d...@lists.ozlabs.org
> Cc: Li Yang-R58472; Phillips Kim-R1AAHA; vinod.k...@intel.com;
> dan.j.willi...@intel.com; a...@arndb.de; gre...@linuxfoundation.org; Liu
> Qiang-B32616
> Subject: RE: [PATCH v7 1/8] Talitos: Support for async_tx XOR offload
>
> O
On Thu, 9 Aug 2012 11:20:48 +0300, qiang@freescale.com wrote:
> From: Qiang Liu
>
> Expose Talitos's XOR functionality to be used for RAID parity
> calculation via the Async_tx layer.
>
> Cc: Herbert Xu
> Cc: David S. Miller
> Signed-off-by: Dipen Dudhat
> Signed-off-by: Maneesh Gupta
>
On Thu, 9 Aug 2012 11:20:48 +0300, qiang@freescale.com wrote:
From: Qiang Liu qiang@freescale.com
Expose Talitos's XOR functionality to be used for RAID parity
calculation via the Async_tx layer.
Cc: Herbert Xu herb...@gondor.apana.org.au
Cc: David S. Miller da...@davemloft.net
...@lists.ozlabs.org
Cc: Li Yang-R58472; Phillips Kim-R1AAHA; vinod.k...@intel.com;
dan.j.willi...@intel.com; a...@arndb.de; gre...@linuxfoundation.org; Liu
Qiang-B32616
Subject: RE: [PATCH v7 1/8] Talitos: Support for async_tx XOR offload
On Thu, 9 Aug 2012 11:20:48 +0300, qiang@freescale.com wrote
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