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Date: Tue, 12 Dec 2017 17:47:32 -0800 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>, Yonghong Song <yhs@...com> Subject: Re: linux-next: build failure after merge of the bpf-next tree On Wed, Dec 13, 2017 at 12:32:45PM +1100, Stephen Rothwell wrote: > Hi all, > > After merging the bpf-next tree, today's linux-next build (arm > multi_v7_defconfig) failed like this: > > kernel/events/core.o: In function `perf_ioctl': > core.c:(.text+0x98c4): undefined reference to `bpf_event_query_prog_array' > > Caused by commit > > f371b304f12e ("bpf/tracing: allow user space to query prog array on the same tp") > > CONFIG_BPF_SYSCALL is not set for this build. > > I have used the bpf-next tree from next-20171212 for today. Thanks for the report. Yonghong, please take a look and send a followup fix based on bpf-next tree.
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