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    SubjectRe: [PATCH] printk: Add printk_flush() to force buffered text to console
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    On Sat, 2012-06-23 at 08:13 +0200, Ingo Molnar wrote:
    > * Andrew Morton <akpm@linux-foundation.org> wrote:
    >
    > > On Thu, 21 Jun 2012 19:52:03 -0400
    > > Steven Rostedt <rostedt@goodmis.org> wrote:
    > >
    > > > But with the new printk() changes, text without a newline
    > > > gets buffered and does not print out to the console at the
    > > > location of the printk.
    > >
    > > uh, how about we fix that? The old behaviour was good, the
    > > new behaviour is noxious.
    >
    > Absolutely.
    >
    > pr_flush() really seems to be a workaround.

    I think the new behavior an overall improvement.
    It helps avoid multiple thread interleaving.

    I suggested a fix to enable a printk buffered/non-buffered
    mechanism with an optional printk_flush/pr_flush.

    https://lkml.org/lkml/2012/6/21/305




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