Re: [PATCH RESEND v3 3/7] Intel MIC Host Driver, card OS state management.

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On Thu, Sep 05, 2013 at 04:41:55PM -0700, Sudeep Dutt wrote:
> +What:		/sys/class/mic/mic(x)/cmdline
> +Date:		August 2013
> +KernelVersion:	3.11
> +Contact:	Sudeep Dutt <sudeep.dutt@xxxxxxxxx>
> +Description:
> +		An Intel MIC device runs a Linux OS during its operation. Before
> +		booting this card OS, it is possible to pass kernel command line
> +		options to configure various features in it, similar to
> +		self-bootable machines. When read, this entry provides
> +		information about the current kernel command line options set to
> +		boot the card OS. This entry can be written to change the
> +		existing kernel command line options. Typically, the user would
> +		want to read the current command line options, append new ones
> +		or modify existing ones and then write the whole kernel command
> +		line back to this entry.

Is a PAGE_SIZE value going to be big enough for your command line?  I
know some embedded systems have horribly long command lines, hopefully
this will be enough for you.

thanks,

greg k-h
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