lkml.org 
[lkml]   [2014]   [Oct]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] configfs: Implement binary attributes (v3)
From
Date
Hi Greg,

> On Oct 29, 2014, at 04:54 , Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote:
>
> On Tue, Oct 28, 2014 at 10:30:32PM +0200, Pantelis Antoniou wrote:
>> ConfigFS lacked binary attributes up until now. This patch
>> introduces support for binary attributes in a somewhat similar
>> manner of sysfs binary attributes albeit with changes that
>> fit the configfs usage model.
>>
>> Problems that configfs binary attributes fix are everything that
>> requires a binary blob as part of the configuration of a resource,
>> such as bitstream loading for FPGAs, DTBs for dynamically created
>> devices etc.
>
> What's wrong with using the firmware interface for this instead?
>

It is problem when the bitstream is provided by user-space due to namespace
issues. What happens if you have a container, from where do you get that firmware
file so that you can use it.

IIRC Joel didn’t object too much last time I posted it.

> What driver/subsystem wants to use configfs binary files? Having a user
> for this api is essential if you want it to be merged.
>

Device tree overlays for starters and the FPGA manager.

For the first please look at "OF: DT-Overlay configfs interface (v2)” posted
yesterday; you are in the CC list.

> thanks,
>
> greg k-h

Regards

— Pantelis

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2014-10-29 08:21    [W:1.429 / U:0.140 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site