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Message-Id: <1434145226-17892-4-git-send-email-ast@plumgrid.com> Date: Fri, 12 Jun 2015 14:40:26 -0700 From: Alexei Starovoitov <ast@...mgrid.com> To: "David S. Miller" <davem@...emloft.net> Cc: Ingo Molnar <mingo@...nel.org>, Steven Rostedt <rostedt@...dmis.org>, Wang Nan <wangnan0@...wei.com>, lizefan@...wei.com, Daniel Wagner <daniel.wagner@...-carit.de>, Daniel Borkmann <daniel@...earbox.net>, linux-api@...r.kernel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH net-next 3/3] bpf: let kprobe programs use bpf_get_smp_processor_id() helper It's useful to do per-cpu histograms. Suggested-by: Daniel Wagner <daniel.wagner@...-carit.de> Signed-off-by: Alexei Starovoitov <ast@...mgrid.com> --- kernel/trace/bpf_trace.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index 4f9b5d41869b..88a041adee90 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -181,6 +181,8 @@ static const struct bpf_func_proto *kprobe_prog_func_proto(enum bpf_func_id func return &bpf_get_current_comm_proto; case BPF_FUNC_trace_printk: return bpf_get_trace_printk_proto(); + case BPF_FUNC_get_smp_processor_id: + return &bpf_get_smp_processor_id_proto; default: return NULL; } -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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