Re: [PATCH 0/8] Rework KERN_

Joe Perches
2012-06-05T22:49:36Z

On Tue, 2012-06-05 at 15:17 -0700, Andrew Morton wrote:
> On Tue, 05 Jun 2012 15:11:43 -0700
> Joe Perches <joe@perches.com> wrote:
>
> > On Tue, 2012-06-05 at 14:28 -0700, Andrew Morton wrote:
> > > Unfortunately the <n> thing is part of the kernel ABI:
> > >
> > > echo "<4>foo" > /dev/kmsg
> >
> > Which works the same way it did before.
>
> I didn't say it didn't.
>
> What I did say is that echo "\0014">/dev/kmsg will subvert the intent
> of the new logging code. Or might. But you just ignored all that,
> forcing me to repeat myself, irritatedly.

It works the same way before and after the patch.

Any write to /dev/kmsg without a KERN_<LEVEL>
emits at (1 << 3) + KERN_DEFAULT.

Writes with <n> values >= 8 are emitted at
that level.