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Date: Sat, 14 Feb 2015 17:48:58 -0500 From: Alexei Starovoitov <ast@...mgrid.com> To: Peter Zijlstra <peterz@...radead.org> Cc: Steven Rostedt <rostedt@...dmis.org>, Ingo Molnar <mingo@...nel.org>, Namhyung Kim <namhyung@...nel.org>, Arnaldo Carvalho de Melo <acme@...radead.org>, Jiri Olsa <jolsa@...hat.com>, Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>, Linux API <linux-api@...r.kernel.org>, Network Development <netdev@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>, Linus Torvalds <torvalds@...ux-foundation.org>, "Eric W. Biederman" <ebiederm@...ssion.com> Subject: Re: [PATCH v3 linux-trace 1/8] tracing: attach eBPF programs to tracepoints and syscalls On Wed, Feb 11, 2015 at 5:28 AM, Peter Zijlstra <peterz@...radead.org> wrote: > > We're compiling the BPF stuff against the 'current' kernel headers > right? the tracex1 example is pulling kernel headers to demonstrate how bpf_fetch*() helpers can be used to walk kernel structures without debug info. The other examples don't need any internal headers. > So would enforcing module versioning not be sufficient? I'm going to redo the ex1 to use kprobe and some form of version check. Indeed module-like versioning should be enough. -- 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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