Ben Gras 1e399dd8bd various kernel printing fixes ...

. remove some call cycles by low-level functions invoking printf(); e.g.
	  send_sig() gets a return value that the caller should check
	. reason: very-early-phase printf() would trigger a printf() causing
	  infinite recursion -> GPF
	. move serial initialization a little earlier so DEBUG_EXTRA works for
	  serial earlier (e.g. its first instance, for "cstart")
	. closes tracker item 583:
	  System Fails to Complete Startup with Verbose 2 and 3 Boot Parameters,
	  reported by Stephen Hatton / pikpik.

2012-03-28 18:23:12 +02:00

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