On Fri, Jun 01, 2018 at 01:59:43PM +1000, Stephen Rothwell wrote:
> Hi all,
>
> On Thu, 31 May 2018 07:38:55 +1000 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> >
> > On Tue, 29 May 2018 13:25:48 +1000 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> > >
> > > After merging the net-next tree, today's linux-next build (x86_64
> > > allmodconfig) failed like this:
> > >
> > > x86_64-linux-ld: unknown architecture of input file `net/bpfilter/bpfilter_umh.o' is incompatible with i386:x86-64 output
> > >
> > > Caused by commit
> > >
> > > d2ba09c17a06 ("net: add skeleton of bpfilter kernel module")
> > >
> > > In my builds, the host is PowerPC 64 LE ...
> > >
> > > I have reverted that commit along with
> > >
> > > 61a552eb487f ("bpfilter: fix build dependency")
> > > 13405468f49d ("bpfilter: don't pass O_CREAT when opening console for debug")
> > >
> > > for today.
> >
> > I am still getting this failure (well, at least yesterday I did).
>
> Still happened today. My guess is that bpfilter_umh needs to be built
> with the kernel compiler (not the host compiler - since ir is meant to
> run on the some machine as the kernel, right?) but will require the
> kernel architecture libc etc
>
>
> I replaced the reverts above with the following:
>
> From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Date: Fri, 1 Jun 2018 13:33:28 +1000
> Subject: [PATCH] net: bpfilter: mark as BROKEN for now
>
> This does not build in a cross compile environment
>
> Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> ---
> net/bpfilter/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/net/bpfilter/Kconfig b/net/bpfilter/Kconfig
> index a948b072c28f..ea4be72fdf6e 100644
> --- a/net/bpfilter/Kconfig
> +++ b/net/bpfilter/Kconfig
> @@ -2,6 +2,7 @@ menuconfig BPFILTER
> bool "BPF based packet filtering framework (BPFILTER)"
> default n
> depends on NET && BPF && INET
> + depends on BROKEN
yeah. that's another option.
Sorry for delay. networking folks are traveling to netconf.
The issue is being discussed here:
https://patchwork.ozlabs.org/patch/921597/
Currently we're thinking how to add a check that hostcc's arch
is equal to cross-cc target arch and ideally equal to arch
of the host where it will be run.
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