Re: [PATCH] ebpf, events: make it actually more configurable

From	Daniel Borkmann <daniel@iogearbox.net>
Newsgroups	linux.kernel
Subject	Re: [PATCH] ebpf, events: make it actually more configurable
Date	2015-10-03 09:50 +0200
Message-ID	<qfpJT-3Pm-3@gated-at.bofh.it> (permalink)
References	<qfaKS-7Fv-15@gated-at.bofh.it> <qfoEa-2jr-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On 10/03/2015 08:37 AM, Ingo Molnar wrote:
>
> * Daniel Borkmann <daniel@iogearbox.net> wrote:
>
>> While testing some other BPF issue, I realized that BPF_EVENTS is
>> actually not accessible through menuconfig because of a missing
>> description that needs to be attached to the bool. After the patch
>> the entry shows up in menuconfig and can be enabled/disabled from
>> there.
>
> Yeah, so the principle is the following: the main configuration option for it is
> BPF_SYSCALL. The BPF_EVENTS is an internal detail, always enabled when possible,
> and we make it so that if the BPF syscall is enabled, we'll enable the perf
> integration if all the must-have components are in place:

Makes sense, yes. I probably got confused due to the help text on the
hidden Kconfig entry, but that can nevertheless serve as documentation
purpose.

Thanks,
Daniel
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Thread

[PATCH] ebpf, events: make it actually more configurable Daniel Borkmann <daniel@iogearbox.net> - 2015-10-02 17:50 +0200
  Re: [PATCH] ebpf, events: make it actually more configurable Ingo Molnar <mingo@kernel.org> - 2015-10-03 08:40 +0200
    Re: [PATCH] ebpf, events: make it actually more configurable Daniel Borkmann <daniel@iogearbox.net> - 2015-10-03 09:50 +0200
      Re: [PATCH] ebpf, events: make it actually more configurable Ingo Molnar <mingo@kernel.org> - 2015-10-03 10:30 +0200
        Re: [PATCH] ebpf, events: make it actually more configurable Daniel Borkmann <daniel@iogearbox.net> - 2015-10-05 00:20 +0200

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