Re: [PATCH bpf-next] bpf: fix raw_tp test run in preempt kernel

2020-09-29 Thread Alexei Starovoitov
On Tue, Sep 29, 2020 at 03:50:13PM -0700, Song Liu wrote: > In preempt kernel, BPF_PROG_TEST_RUN on raw_tp triggers: > > [ 35.874974] BUG: using smp_processor_id() in preemptible [] > code: new_name/87 > [ 35.893983] caller is bpf_prog_test_run_raw_tp+0xd4/0x1b0 > [ 35.900124] CPU: 1

[PATCH bpf-next] bpf: fix raw_tp test run in preempt kernel

2020-09-29 Thread Song Liu
In preempt kernel, BPF_PROG_TEST_RUN on raw_tp triggers: [ 35.874974] BUG: using smp_processor_id() in preemptible [] code: new_name/87 [ 35.893983] caller is bpf_prog_test_run_raw_tp+0xd4/0x1b0 [ 35.900124] CPU: 1 PID: 87 Comm: new_name Not tainted 5.9.0-rc6-g615bd02bf #1 [ 35.907