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Re: [PATCH 2/2] printk: Add kernel parameter to control writes to /dev/kmsg

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On Tue, Jun 14, 2016 at 8:14 AM, Steven Rostedt <rostedt@goodmis.org> wrote:
>>
>> Please also add a sysctl!
>>
>> I *so* want to enable this on distro kernels without having to reboot the
>> kernel...
>>
>
> But can we make it a one way feature (or a kernel parameter to do so?)
> that will prevent userspace from enabling it after it's been disabled.

Possibly we could just say that if a kernel command line option has
been given, that is absolute.

And then a sysctl for when you do *not* explicitly set if on the
kernel command line?

             Linus

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[PATCH 0/2] printk.kmsg: Ratelimit it by default Borislav Petkov <bp@alien8.de> - 2016-06-14 12:20 +0200
  [PATCH 2/2] printk: Add kernel parameter to control writes to /dev/kmsg Borislav Petkov <bp@alien8.de> - 2016-06-14 12:20 +0200
    Re: [PATCH 2/2] printk: Add kernel parameter to control writes to  /dev/kmsg Ingo Molnar <mingo@kernel.org> - 2016-06-14 12:30 +0200
      Re: [PATCH 2/2] printk: Add kernel parameter to control writes to  /dev/kmsg Steven Rostedt <rostedt@goodmis.org> - 2016-06-14 20:20 +0200
        Re: [PATCH 2/2] printk: Add kernel parameter to control writes to  /dev/kmsg Borislav Petkov <bp@alien8.de> - 2016-06-14 20:40 +0200
        Re: [PATCH 2/2] printk: Add kernel parameter to control writes to /dev/kmsg Linus Torvalds <torvalds@linux-foundation.org> - 2016-06-16 03:50 +0200
          Re: [PATCH 2/2] printk: Add kernel parameter to control writes to  /dev/kmsg Borislav Petkov <bp@alien8.de> - 2016-06-16 12:00 +0200
  Re: [PATCH 0/2] printk.kmsg: Ratelimit it by default Linus Torvalds <torvalds@linux-foundation.org> - 2016-06-16 03:50 +0200

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