On Sun, Dec 30, 2007 at 02:42:41PM -0800, Yinghai Lu wrote:
> On Dec 30, 2007 2:06 PM, Adrian Bunk <[email protected]> wrote:
> > On Sun, Dec 30, 2007 at 12:48:48PM -0800, Yinghai Lu wrote:
> > > On Dec 30, 2007 6:51 AM, Ingo Molnar <[email protected]> wrote:
> > > >
> > > > * Yinghai Lu <[email protected]> wrote:
> > > >
> > > > > please check if you can replace the one in the x86-mm
> > > > >
> > > > > http://git.kernel.org/?p=linux/kernel/git/x86/linux-2.6-x86.git;a=commitdiff;h=ffcbdc220a1520d006a837f33589c7c19ffbeb76
> > > > >
> > > > > the updated one avoid one link warning.
> > > >
> > > > please send delta patches instead - so that we can review the changes.
> > >
> > > will do that in another patch.
> > >
> > > >
> > > > > this is the updated verison that take enable_IO_APIC as extra call for
> > > > > setup_local_APIC to avoid linking warning.
> > > >
> > > > hm, what link warning did you get? Perhaps the following __cpuinit:
> > >
> > > WARNING: vmlinux.o(.text+0x163d5): Section mismatch: reference to
> > > .init.text:enable_IO_APIC (between 'setup_local_APIC' and
> > > 'apic_is_clustered_box')
> >
> > So you are doing complicated things for silencing the warning (there is
> > an easier ways for achieving it), but the real bug that you will get an
> > Oops when calling enable_IO_APIC() after bootup since it already got
> > freed stays?
>
> the enable_IO_APIC is actually doing clear_IO_APIC. and it is only
> called by BSP via setup_local_APIC
> and it is not called again after bootup
OK, this was a bit hidden inside your pointer games.
Please send a patch that ignores the warning (and therefore doesn't do
these pointer games), and I'll fix the warning in a followup patch.
> YH
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
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