linux-kernel - Re: [RFC PATCH v1] fpga manager framework with configfs interface

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Message-ID: <5372A220.6080301@zytor.com>
Date:	Tue, 13 May 2014 15:52:16 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Pavel Machek <pavel@...x.de>,
	Pantelis Antoniou <pantelis.antoniou@...sulko.com>
CC:	Alan Tull <atull@...era.com>, linux-kernel@...r.kernel.org,
	Michal Simek <monstr@...str.eu>,
	Michal Simek <michal.simek@...inx.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	Mark Brown <broonie@...nel.org>,
	Philip Balister <philip@...ister.org>,
	Alessandro Rubini <rubini@...dd.com>,
	Steffen Trumtrar <s.trumtrar@...gutronix.de>,
	Jason Cooper <jason@...edaemon.net>,
	Kyle Teske <kyle.teske@...com>,
	Josh Cartwright <joshc@....teric.us>,
	Nicolas Pitre <nico@...aro.org>, Felipe Balbi <balbi@...com>,
	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	David Brown <davidb@...eaurora.org>,
	Rob Landley <rob@...dley.net>,
	"David S. Miller" <davem@...emloft.net>,
	Joe Perches <joe@...ches.com>,
	Cesar Eduardo Barros <cesarb@...arb.net>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alan Tull <delicious.quinoa@...il.com>,
	Dinh Nguyen <dinguyen@...era.com>,
	Yves Vandervennet <rocket.yvanderv@...il.com>
Subject: Re: [RFC PATCH v1] fpga manager framework with configfs interface

On 05/13/2014 01:56 PM, Pavel Machek wrote:
> Hi!
> 
>>> Echoing filenames into files in configfs is strange at the very
>>> least. Think chroot, and what about permissions...?
>>>
>>> It would be much better to just cat bitstream into configfs...
>>
>> No binary attributes supported for configfs. Apparently this is done on purpose.
>>
>> In fact it was my first idea about the configfs interface for DT overlays but decided 
>> to go with firmware file names instead.
>>
>> If this is valid use case (which seems to be) would patches adding binary attributes
>> to configfs be accepted?
> 
> I'd say this is very valid use, but I'm not configfs maintainer. It is
> certainly better then echoing filenames there.
> 

Almost anything is better...

	-hpa


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