lkml.org 
[lkml]   [2020]   [Nov]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: irq-loongson-pch-pic.c:undefined reference to `of_iomap'
On Mon, Nov 16, 2020 at 10:21:26AM +0100, Arnd Bergmann wrote:
> > Don't we need the dependencies on HAS_IOMEM for the CONFIG_UML=y
> > case, too?
>
> I would have expected that as well, but I don't see the problem when building
> an arch/um kernel, all I get is
>
> ERROR: modpost: "devm_platform_ioremap_resource"
> [drivers/iio/adc/adi-axi-adc.ko] undefined!
> ERROR: modpost: "devm_platform_ioremap_resource"
> [drivers/ptp/ptp_ines.ko] undefined!
> ERROR: modpost: "devm_ioremap_resource"
> [drivers/net/ethernet/xilinx/xilinx_emac.ko] undefined!
> ERROR: modpost: "devm_platform_ioremap_resource_byname"
> [drivers/net/ethernet/xilinx/ll_temac.ko] undefined!
> ERROR: modpost: "devm_ioremap"
> [drivers/net/ethernet/xilinx/ll_temac.ko] undefined!
> ERROR: modpost: "devm_of_iomap"
> [drivers/net/ethernet/xilinx/ll_temac.ko] undefined!
> ERROR: modpost: "__open64_2" [fs/hostfs/hostfs.ko] undefined!
>
> If I disable those five drivers, I can build and link a uml kernel without
> warnings. I could not find the difference compared to s390 here.
>
> Looking a bit further, I now find that we ended up disabling CONFIG_COMPILE_TEST
> entirely for arch/um, which is clearly an option that would also work for s390.

I'll add a patch to the s390 tree which disables CONFIG_COMPILE_TEST
for s390. I wouldn't like to start again chasing/adding missing
'select' or 'depends on' statements in various config files.

\
 
 \ /
  Last update: 2020-11-17 19:31    [W:0.719 / U:0.208 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site