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Date: Mon, 24 Aug 2020 18:25:44 -0700 From: Alexei Starovoitov <alexei.starovoitov@...il.com> To: Stephen Rothwell <sfr@...b.auug.org.au> Cc: Daniel Borkmann <daniel@...earbox.net>, Alexei Starovoitov <ast@...nel.org>, Networking <netdev@...r.kernel.org>, Linux Next Mailing List <linux-next@...r.kernel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, David Miller <davem@...emloft.net> Subject: Re: linux-next: build failure after merge of the bpf-next tree On Mon, Aug 24, 2020 at 6:20 PM Stephen Rothwell <sfr@...b.auug.org.au> wrote: > > Hi all, > > On Fri, 21 Aug 2020 11:11:11 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote: > > > > Hi all, > > > > 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? 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.
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