docs: gdbmacros: print newest record
commitf2e4cca2f6
upstream. @head_id points to the newest record, but the printing loop exits when it increments to this value (before printing). Exit the printing loop after the newest record has been printed. The python-based function in scripts/gdb/linux/dmesg.py already does this correctly. Fixes:e60768311a
("scripts/gdb: update for lockless printk ringbuffer") Cc: stable@vger.kernel.org Signed-off-by: John Ogness <john.ogness@linutronix.de> Reviewed-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20221229134339.197627-1-john.ogness@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -312,10 +312,10 @@ define dmesg
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set var $prev_flags = $info->flags
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end
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set var $id = ($id + 1) & $id_mask
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if ($id == $end_id)
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loop_break
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end
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set var $id = ($id + 1) & $id_mask
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end
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end
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document dmesg
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