On Thu, Mar 23, 2006 at 08:51:08AM -0800, Greg KH wrote:
> On Thu, Mar 23, 2006 at 04:38:52PM +0000, Russell King wrote:
> > Building h7201_defconfig on ARM provokes these build errors:
> >
> > LD .tmp_vmlinux1
> > kernel/built-in.o: In function `uevent_seqnum_show':
> > ksysfs.c:(.text+0x1f258): undefined reference to `uevent_seqnum'
> > kernel/built-in.o: In function `uevent_helper_show':
> > ksysfs.c:(.text+0x1f280): undefined reference to `uevent_helper'
> > kernel/built-in.o: In function `uevent_helper_store':
> > ksysfs.c:(.text+0x1f2e0): undefined reference to `uevent_helper'
> > kernel/built-in.o:(.data+0xd1c): undefined reference to `uevent_helper'
> > make: *** [.tmp_vmlinux1] Error 1
> > make: Leaving directory `/var/tmp/kernel-orig'
>
> Ugh, CONFIG_NET is not set, yet CONFIG_HOTPLUG is. I was wrong with my
> assumption that no one would ever need that :)
>
> I have a patch in my queue from Andrew that fixes it up, I'll send it on
> to Linus later today to fix this. Thanks for letting me know.
2.6.16-git9 is better, but still fails on this defconfig. We now
have:
LD .tmp_vmlinux1
kernel/built-in.o:(.data+0xd1c): undefined reference to `uevent_helper'
make: *** [.tmp_vmlinux1] Error 1
make: Leaving directory `/var/tmp/kernel-orig'
which seems to be a reference from sysfs.c for ...proc.../sys/kernel/hotplug.
This brings up an interesting point - if CONFIG_NET is not set and
CONFIG_HOTPLUG is set, don't we want to call /sbin/hotplug? If
...proc.../sys/kernel/hotplug isn't present then what?
Or are we back in the business of breaking the userspace expectations
in random ways?
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
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