From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> Date: Thu, 16 Jan 2020 18:53:37 +1100 > After merging the net-next tree, today's linux-next build (sparc > defconfig) failed like this: > > ERROR: "__umoddi3" [net/core/pktgen.ko] undefined! > > Caused by commit > > 7786a1af2a6b ("pktgen: Allow configuration of IPv6 source address range") > > I have reverted that commit for today. Niu Xilei, you must fix this or else I will have to revert your pktgen changes. You cannot do direct division or modulus on 64-bit integer values, instead you must use the various div*() helper macros so that it works on all 32-bit systems too. Thank you.