Hi kernel test robot, Thanks for the test results.
No further testing is needed for this patch series, as it will not be pursued further and is not expected to be accepted upstream. Thanks again for the testing effort. Thanks, Leon On 13/1/26 03:22, kernel test robot wrote: > Hi Leon, > > kernel test robot noticed the following build errors: > > [auto build test ERROR on bpf-next/master] > > url: > https://github.com/intel-lab-lkp/linux/commits/Leon-Hwang/bpf-x64-Call-perf_snapshot_branch_stack-in-trampoline/20260109-234435 > base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git > master > patch link: > https://lore.kernel.org/r/20260109153420.32181-3-leon.hwang%40linux.dev > patch subject: [PATCH bpf-next 2/3] bpf: Introduce BPF_BRANCH_SNAPSHOT_F_COPY > flag for bpf_get_branch_snapshot helper > config: x86_64-kexec > (https://download.01.org/0day-ci/archive/20260112/[email protected]/config) > compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project > 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) > reproduce (this is a W=1 build): > (https://download.01.org/0day-ci/archive/20260112/[email protected]/reproduce) > > If you fix the issue in a separate patch/commit (i.e. not just a new version > of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot <[email protected]> > | Closes: > https://lore.kernel.org/oe-kbuild-all/[email protected]/ > > All errors (new ones prefixed by >>): > >>> ld.lld: error: undefined symbol: bpf_branch_snapshot > >>> referenced by bpf_trace.c:1182 (kernel/trace/bpf_trace.c:1182) > >>> vmlinux.o:(bpf_get_branch_snapshot) > >>> referenced by bpf_trace.c:0 (kernel/trace/bpf_trace.c:0) > >>> vmlinux.o:(bpf_get_branch_snapshot) >
