From: Linus Torvalds <torvalds@linux-foundation.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: "Ingo Molnar" <mingo@kernel.org>,
"Borislav Petkov" <bp@alien8.de>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Peter Zijlstra" <peterz@infradead.org>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/2] printk: Add kernel parameter to control writes to /dev/kmsg
Date: Wed, 15 Jun 2016 15:40:04 -1000 [thread overview]
Message-ID: <CA+55aFxLcTr6AB9p82EQeRJLTkMksUcDNzimdmzVcDKdpR8tXg@mail.gmail.com> (raw)
In-Reply-To: <20160614141456.6876b069@grimm.local.home>
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
next prev parent reply other threads:[~2016-06-16 1:40 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-14 10:12 [PATCH 0/2] printk.kmsg: Ratelimit it by default Borislav Petkov
2016-06-14 10:12 ` [PATCH 1/2] ratelimit: Extend to print suppressed messages on release Borislav Petkov
2016-06-14 10:12 ` [PATCH 2/2] printk: Add kernel parameter to control writes to /dev/kmsg Borislav Petkov
2016-06-14 10:21 ` Ingo Molnar
2016-06-14 18:14 ` Steven Rostedt
2016-06-14 18:30 ` Borislav Petkov
2016-06-16 1:40 ` Linus Torvalds [this message]
2016-06-16 9:51 ` Borislav Petkov
2016-06-16 1:41 ` [PATCH 0/2] printk.kmsg: Ratelimit it by default Linus Torvalds
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