Messages in this thread | | | Subject | Re: [PATCH] configfs: Implement binary attributes (v3) | From | Pantelis Antoniou <> | Date | Wed, 29 Oct 2014 08:58:59 +0200 |
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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
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