Messages in this thread | | | From | Måns Rullgård <> | Subject | Re: [RFC PATCH] cmdline: Hide "debug" from /proc/cmdline | Date | Thu, 03 Apr 2014 12:25:40 +0100 |
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Jiri Kosina <jkosina@suse.cz> writes:
> On Wed, 2 Apr 2014, Linus Torvalds wrote: > >> Steven, Borislav, one thing that strikes me might be a good idea is to >> limit the amount of non-kernel noise in dmesg. We already have the >> concept of rate-limiting various spammy internal kernel messages for >> when device drivers misbehave etc. Maybe we can just add rate-limiting >> to the interfaces that add messages to the kernel buffers, and work >> around this problem that way instead while waiting for Gregs fix to >> percolate? Or are the systemd debug messages going to so many other >> places too that that wouldn't really help? > > I think that it's in principle a good idea, however ... the in-kernel > ratelimiting always happens per sourcecode location, but this will be > rather hard to achieve with interface such as /dev/kmsg. > > If /dev/kmsg is going to be ratelimited as a whole, it might potentially > create a severely unfair situation between individual userspace programs > trying to do logging (although there is apparently only one userspace > service doing any logging through this interface whatsoever, right?).
The point is that /dev/kmsg is *not* intended as a syslog replacement.
-- Måns Rullgård mans@mansr.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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