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

From: Sudeep Dutt
Date: Fri Sep 06 2013 - 14:30:38 EST


On Thu, 2013-09-05 at 22:00 -0700, Greg Kroah-Hartman wrote:
> 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.
>

Yes, PAGE_SIZE is more than sufficient for our command line.
Thanks,
Sudeep Dutt

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