• Linus Torvalds's avatar
    printk: clean up handling of log-levels and newlines · 5fd29d6c
    Linus Torvalds authored
    It used to be that we would only look at the log-level in a printk()
    after explicit newlines, which can cause annoying problems when the
    previous printk() did not end with a '\n'. In that case, the log-level
    marker would be just printed out in the middle of the line, and be
    seen as just noise rather than change the logging level.
    This changes things to always look at the log-level in the first
    bytes of the printout. If a log level marker is found, it is always
    used as the log-level. Additionally, if no newline existed, one is
    added (unless the log-level is the explicit KERN_CONT marker, to
    explicitly show that it's a continuation of a previous line).
    Acked-by: default avatarArjan van de Ven <arjan@infradead.org>
    Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
kernel.h 21.3 KB