From: Pekka Enberg <penberg@cs.helsinki.fi>
Date: Sun, 11 Jul 2010 08:06:57 +0000 (+0300)
Subject: x86, setup: Early-boot serial I/O support
X-Git-Tag: v2.6.36-rc1~524^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fa97bdf92709adaaf8b9a5164a895e262a4fcf60;p=pandora-kernel.git

x86, setup: Early-boot serial I/O support

This patch adds serial I/O support to the real-mode setup (very early
boot) printf(). It's useful for debugging boot code when running Linux
under KVM, for example. The actual code was lifted from early printk.

Cc: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
LKML-Reference: <1278835617-11368-1-git-send-email-penberg@cs.helsinki.fi>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---

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