On Thu, Jul 5, 2018 at 1:24 AM, Ingo Molnar <[email protected]> wrote: > > * Dan Williams <[email protected]> wrote: > >> The calculation of a uniform numa-node size attempted to perform >> division with a 64-bit diviser leading to the following failure on >> 32-bit: >> >> arch/x86/mm/numa_emulation.o: In function >> `split_nodes_size_interleave_uniform': >> arch/x86/mm/numa_emulation.c:239: undefined reference to `__udivdi3' >> >> Convert the implementation to do the division in terms of pages and then >> shift the result back to an absolute physical address. >> >> Fixes: 93e738834fcc ("x86/numa_emulation: Introduce uniform split >> capability") >> Cc: David Rientjes <[email protected]> >> Cc: Thomas Gleixner <[email protected]> >> Cc: Wei Yang <[email protected]> >> Reported-by: kbuild test robot <[email protected]> >> Signed-off-by: Dan Williams <[email protected]> > > I'm still getting this link failure on 32-bit kernels: > > arch/x86/mm/numa_emulation.o: In function > `split_nodes_size_interleave_uniform.constprop.1': > numa_emulation.c:(.init.text+0x669): undefined reference to `__udivdi3' > Makefile:1005: recipe for target 'vmlinux' failed > > config attached. > > These numa_emulation changes are a bit of a trainwreck - I'm removing both > num_emulation commits from -tip for now, could you please resubmit a > fixed/tested > combo version? >
So I squashed the fix and let the 0day robot chew on it all day with no reports as of yet. I just recompiled it here and am not seeing the link failure, can you send me the details of the kernel config + gcc version that is failing?
