[lkml]   [2014]   [Apr]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [RFC PATCH] cmdline: Hide "debug" from /proc/cmdline
On Wed, Apr 2, 2014 at 4:23 PM, Jiri Kosina <> wrote:
> 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?).

So I think we could/should make the rate limiting of kmsg be tied to
perhaps 'struct cred' and then just use current_cred()->rs. Or perhaps
even make it per-task.

It wouldn't be hard to just embed one "struct ratelimit_state" into
the appropriate struct. They're not *that* huge.


 \ /
  Last update: 2014-04-03 02:01    [W:0.079 / U:3.740 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site