[ 3.5.y.z extended stable ] Patch "doc, kernel-parameters: Document 'console=hvc<n>'" has been added to staging queue

Luis Henriques luis.henriques at canonical.com
Mon Mar 4 20:49:15 UTC 2013

This is a note to let you know that I have just added a patch titled

    doc, kernel-parameters: Document 'console=hvc<n>'

to the linux-3.5.y-queue branch of the 3.5.y.z extended stable tree 
which can be found at:


If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.5.y.z tree, see



>From c9c631ab9742b183433bf1cb0c18a86c794b143a Mon Sep 17 00:00:00 2001
From: Konrad Rzeszutek Wilk <konrad.wilk at oracle.com>
Date: Mon, 25 Feb 2013 15:54:09 -0500
Subject: [PATCH] doc, kernel-parameters: Document 'console=hvc<n>'

commit a2fd6419174470f5ae6383f5037d0ee21ed9833f upstream.

Both the PowerPC hypervisor and Xen hypervisor can utilize the
hvc driver.

Cc: Greg KH <gregkh at linuxfoundation.org>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk at oracle.com>
Link: http://lkml.kernel.org/r/1361825650-14031-3-git-send-email-konrad.wilk@oracle.com
Signed-off-by: H. Peter Anvin <hpa at linux.intel.com>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
 Documentation/kernel-parameters.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 65f25d7..912785c 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -570,6 +570,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			UART at the specified I/O port or MMIO address,
 			switching to the matching ttyS device later.  The
 			options are the same as for ttyS, above.
+		hvc<n>	Use the hypervisor console device <n>. This is for
+			both Xen and PowerPC hypervisors.

                 If the device connected to the port is not a TTY but a braille
                 device, prepend "brl," before the device type, for instance

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