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

From: Greg Kroah-Hartman
Date: Fri Sep 06 2013 - 00:57:58 EST


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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