On Thu, 2016-10-27 at 17:52 +0200, Petr Mladek wrote: > The commit 4bcc595ccd80decb4245096e ("printk: reinstate KERN_CONT for > printing continuation lines") allows to define more message headers > for a single message. The motivation is that continuous lines might > get mixed. Therefore it make sense to define the right log level > for every piece of a cont line. > > This patch introduces printk_skip_headers() that will skip all > headers and uses it in the kdb code instead of printk_skip_level(). > > This approach helps to fix other printk_skip_level() users > independently. > > Signed-off-by: Petr Mladek <pmla...@suse.com> > --- > include/linux/printk.h | 8 ++++++++ > kernel/debug/kdb/kdb_io.c | 2 +- > 2 files changed, 9 insertions(+), 1 deletion(-) > > diff --git a/include/linux/printk.h b/include/linux/printk.h [] > @@ -31,6 +31,14 @@ static inline const char *printk_skip_level(const char > *buffer) > return buffer; > } > > +static inline const char *printk_skip_headers(const char *buffer) > +{ > + while (printk_get_level(buffer)) > + buffer += 2;
At some point a level might be more than 1 char and it would be good to keep that check in just one place so using printk_skip_level would be more consistent.