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@linuxfoundation.org>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@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@linux.intel.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 4a4cff80ecf0029c81d59fb96022387e9bbd3b60..ddbf18eaaea43b8f337f18068a44c7316d17ebdf 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -552,6 +552,8 @@ 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