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Provide a function to allow waiting for console printers to catch up to the latest logged message. Use pr_flush() to give console printers a chance to finish in critical situations if no atomic console is available. For now pr_flush() is only used in the most common error paths: panic(), print_oops_end_marker(), report_bug(), kmsg_dump(). Signed-off-by: John Ogness <john.ogness@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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