On Fri, 29 Jun 2007, Alexey Dobriyan wrote:
> On Fri, Jun 29, 2007 at 09:10:52AM -0400, Robert P. J. Day wrote:
> > i actually asked about this on either the janitors or newbies
> > list the other day -- one of the early examples from the LDD3
> > device drivers book which built fine all this time suddenly
> > stopped building, until i explicitly included <linux/sched.h> to
> > be able to dereference a pointer to "task_struct":
> >
> > /home/rpjday/AMD/k/topics/0_hi/hi1.c:15: error: dereferencing pointer to incomplete type
> > /home/rpjday/AMD/k/topics/0_hi/hi1.c:16: error: dereferencing pointer to incomplete type
> >
> > clearly, until now, that header file was being picked up
> > *somewhere*,
>
> from include/linux/mm.h , yes
>
> > but not now.
>
> dammit!
>
> > so i'm guessing there's going to be code all over the place that
> > suddenly needs to add that inclusion of sched.h.
>
> this is the last known to me bit of compile breakage that was caused by
> commit e8edc6e03a5c8562dc70a6d969f732bdb355a7e7 aka
> "[PATCH] Detach sched.h from mm.h"
>
> And after you'll check diffstat and build current kernel for
> different archs yourself, I hope you'll take that "all over the
> place" back.
i didn't mean code *in the kernel* necessarily, merely code
representing out-of-tree loadable drivers that will now need to
include sched.h that didn't need it before. such as that very example
out of LDD3.
sorry that i wasn't more clear about that.
rday
--
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA
http://fsdev.net/wiki/index.php?title=Main_Page
========================================================================
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