Hi Alexei, On Mon, 24 Aug 2020 18:25:44 -0700 Alexei Starovoitov wrote: > > On Mon, Aug 24, 2020 at 6:20 PM Stephen Rothwell wrote: > > > > On Fri, 21 Aug 2020 11:11:11 +1000 Stephen Rothwell wrote: > > > > > > After merging the bpf-next tree, today's linux-next build (x86_64 > > > allmodconfig) failed like this: > > > > > > Auto-detecting system features: > > > ... libelf: [ [31mOFF [m ] > > > ... zlib: [ [31mOFF [m ] > > > ... bpf: [ [32mon [m ] > > > > > > No libelf found > > > make[5]: *** [Makefile:284: elfdep] Error 1 > > > > > > Caused by commit > > > > > > d71fa5c9763c ("bpf: Add kernel module with user mode driver that populates bpffs.") > > > > > > [For a start, can we please *not* add this verbose feature detection > > > output to the nrormal build?] > > > > > > This is a PowerPC hosted cross build. > > > > > > I have marked BPF_PRELOAD as BROKEN for now. > > > > Still getting this failure ... > > I don't have powerpc with crosscompiler to x86 to reproduce. > What exactly the error? Just as above. > bpf_preload has: > "depends on CC_CAN_LINK" > which is exactly the same as bpfilter. > You should have seen this issue with bpfilter for years now. Well, I haven't :-) It just started the other day when that commit appeared. -- Cheers, Stephen Rothwell