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Groups > linux.kernel > #1422206
| From | Borislav Petkov <bp@alien8.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 2/2] printk: Add kernel parameter to control writes to /dev/kmsg |
| Date | 2016-06-14 20:40 +0200 |
| Message-ID | <rK1pM-88-25@gated-at.bofh.it> (permalink) |
| References | <rJTBT-3uB-7@gated-at.bofh.it> <rJTBT-3uB-17@gated-at.bofh.it> <rJTLz-3z3-7@gated-at.bofh.it> <rK16q-8sH-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, Jun 14, 2016 at 02:14:56PM -0400, Steven Rostedt wrote:
> 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.
You mean to be able to do boot with:
"printk.kmsg=off_and_i_mean_it"
which then disables the sysctl? Are you suspecting insolent userspace
reenabling it?
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
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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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