[PATCH 0/8] Rework KERN_<LEVEL>
joe at perches.com
Tue Jun 5 20:40:05 EDT 2012
On Tue, 2012-06-05 at 17:37 -0700, Andrew Morton wrote:
> On Tue, 05 Jun 2012 17:07:27 -0700 Joe Perches <joe at perches.com> wrote:
> > On Tue, 2012-06-05 at 16:58 -0700, Andrew Morton wrote:
> > > echo "\0014Hello Joe" > /dev/kmsg
> > # echo -e "\x014Hello Me" > /dev/kmsg
> > gives:
> > 12,778,4057982669;Hello Me
> That's changed behavior.
Which is an improvement too.
I very much doubt a single app will change
because of this.
> printk_emit() does parse the leading \0014, and then skips over it,
> removing it from the output stream. printk_emit() then throws away the
> resulting level because devkmsg_writev() did not pass in level==-1.
I'm glad you know how it works now.
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