From: Borislav Petkov <bp@alien8.de>
To: Dave Young <dyoung@redhat.com>
Cc: "Andrew Morton" <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>, "Franck Bui" <fbui@suse.com>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Ingo Molnar" <mingo@kernel.org>,
"Linus Torvalds" <torvalds@linux-foundation.org>,
"Peter Zijlstra" <peterz@infradead.org>,
"Steven Rostedt" <rostedt@goodmis.org>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Subject: Re: [PATCH -v4 2/2] printk: Add kernel parameter to control writes to /dev/kmsg
Date: Fri, 15 Jul 2016 14:45:23 +0200 [thread overview]
Message-ID: <20160715124523.GA26501@nazgul.tnic> (raw)
In-Reply-To: <20160715062109.GA4515@dhcp-128-65.nay.redhat.com>
On Fri, Jul 15, 2016 at 02:21:09PM +0800, Dave Young wrote:
> Sorry for jumping in late. But I just see this today and I really like the
> idea to add a switch to turn off the kmsg writing from userspace because
> I suffer from it also.
Thanks, I'll send v5 soon.
> I may missed the background, what is the reason for "ratelimit"? It sounds
> a little odd. I think use default "on" should be safe to keep same behavior
> as before.
Yeah, so we want to ratelimit by default so that excessive logging
doesn't disturb system operation. People who want to see all that
blubber can do so with "on" so they should be taken care of too.
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
--
next prev parent reply other threads:[~2016-07-15 12:45 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-08 9:18 [PATCH -v4 0/2] printk.devkmsg: Ratelimit it by default Borislav Petkov
2016-07-08 9:18 ` [PATCH -v4 1/2] ratelimit: Extend to print suppressed messages on release Borislav Petkov
2016-07-14 20:29 ` Andrew Morton
2016-07-15 4:00 ` Borislav Petkov
2016-07-08 9:18 ` [PATCH -v4 2/2] printk: Add kernel parameter to control writes to /dev/kmsg Borislav Petkov
2016-07-14 20:23 ` Andrew Morton
2016-07-14 20:39 ` Steven Rostedt
2016-07-15 4:29 ` Borislav Petkov
2016-07-15 6:21 ` Dave Young
2016-07-15 12:45 ` Borislav Petkov [this message]
2016-07-16 10:44 ` Dave Young
2016-07-17 5:40 ` Borislav Petkov
2016-07-18 2:18 ` Dave Young
2016-07-18 4:44 ` Borislav Petkov
2016-07-18 5:20 ` Dave Young
2016-07-18 7:21 ` Borislav Petkov
2016-07-18 7:38 ` Dave Young
2016-07-18 8:08 ` Borislav Petkov
2016-07-18 8:17 ` Dave Young
2016-07-18 9:06 ` Borislav Petkov
2016-07-19 0:35 ` Dave Young
2016-07-19 6:49 ` Borislav Petkov
2016-07-19 7:02 ` Dave Young
2016-07-25 15:18 ` Steven Rostedt
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