Hi,

On Fri, 01 Jul 2011 18:10:30 +0800 Cong Wang <amwang@redhat.com> wrote:
>
> 于 2011年07月01日 15:08, Stephen Rothwell 写道:
> >
> > On Fri, 01 Jul 2011 13:32:04 +0800 Cong Wang<amwang@redhat.com>  wrote:
> >>
> >> 于 2011年07月01日 13:19, Stephen Rothwell 写道:
> >>>
> >>> After merging the akpm tree, today's linux-next build (powerpc
> >>> ppc64_defconfig) failed like this:
> >>>
> >>> arch/powerpc/kernel/rtas.c: In function 'rtas_restart':
> >>> arch/powerpc/kernel/rtas.c:655:24: error: 'SYS_RESTART' undeclared (first use in this function)
> >>> arch/powerpc/kernel/rtas.c: In function 'rtas_power_off':
> >>> arch/powerpc/kernel/rtas.c:664:24: error: 'SYS_POWER_OFF' undeclared (first use in this function)
> >>> arch/powerpc/kernel/rtas.c: In function 'rtas_halt':
> >>> arch/powerpc/kernel/rtas.c:674:24: error: 'SYS_HALT' undeclared (first use in this function)
> >>>
> >>> Caused by commit ac050ff2a176 ("It is not necessary to share the same
> >>> notifier.h").
> >>
> >> I think the following patch will fix this.
> >
> > Please find all the other files that need that include as well (there is
> > at least one more).
> >
> 
> Ok, I will do a cross-compilation.

Well, really any file that references any of those defines should be
including linux/reboot.h, now - whether a compilation gets errors or
not.  A change in CONFIG options or different platforms/architectures can
change what file get implictly included.

See Rule 1 in Documentation/SubmitChecklist.
-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/