On Mon, Jul 16, 2007 at 04:00:52PM +0300, Samuel Ortiz wrote:
> On Mon, Jul 16, 2007 at 02:17:15PM +0300, Samuel Ortiz wrote:
> > Hi Dave,
> >
> > When having built-in IrDA, we hit the following error:
> >
> > `irda_sysctl_unregister' referenced in section `.init.text' of
> > net/built-in.o: defined in discarded section `.exit.text' of
> > net/built-in.o
> > `irda_proc_unregister' referenced in section `.init.text' of
> > net/built-in.o: defined in discarded section `.exit.text' of
> > net/built-in.o
> > `irsock_cleanup' referenced in section `.init.text' of net/built-in.o:
> > defined in discarded section `.exit.text' of net/built-in.o
> > `irttp_cleanup' referenced in section `.init.text' of net/built-in.o:
> > defined in discarded section `.exit.text' of net/built-in.o
> > `iriap_cleanup' referenced in section `.init.text' of net/built-in.o:
> > defined in discarded section `.exit.text' of net/built-in.o
> > `irda_device_cleanup' referenced in section `.init.text' of
> > net/built-in.o: defined in discarded section `.exit.text' of
> > net/built-in.o
> > `irlap_cleanup' referenced in section `.init.text' of net/built-in.o:
> > defined in discarded section `.exit.text' of net/built-in.o
> > `irlmp_cleanup' referenced in section `.init.text' of net/built-in.o:
> > defined in discarded section `.exit.text' of net/built-in.o
> > make[1]: *** [.tmp_vmlinux1] Error 1
> > make: *** [_all] Error 2
> >
> > This is due to the irda_init fix recently added, where we call __exit
> > routines from an __init one. It is a build failure that I didn't catch
> > because it doesn't show up when building IrDA as a module. My apologies
> > for that.
> I forgot to mention that the build fails on ARM but not on x86. As Sam
> explained to me, x86 discards exit sections at runtime only, unlike ARM.
> I don't know about other platforms though.
>
> So, to hit this build failure, you need a combination of !x86 and
> built-in IrDA.
On i386 these are runtime failures (although in unlikely error paths)
which isn't better.
> Cheers,
> Samuel.
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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