[PATCH 2/2] Add documentation for the bau parameter

[Alex Thorlton <athorlton@sgi.com>]

This commit updates kernel-parameters.txt with some information about
the new "bau" parameter.

Signed-off-by: Alex Thorltlon <athorlton@sgi.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Hedi Berriche <hedi@sgi.com>
Cc: linux-kernel@vger.kernel.org

---
 Documentation/kernel-parameters.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index def4791..c5115e4 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -131,6 +131,7 @@ parameter is applicable:
 			More X86-64 boot options can be found in
 			Documentation/x86/x86_64/boot-options.txt .
 	X86	Either 32-bit or 64-bit x86 (same as X86-32+X86-64)
+	X86_UV	SGI UV support is enabled.
 	XEN	Xen support is enabled
 
 In addition, the following text indicates that the option:
@@ -542,6 +543,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			Format: <int> (must be >=0)
 			Default: 64
 
+	bau=		[X86_UV] Enable the BAU on SGI UV.  The default
+			behavior is to disable the BAU (i.e. bau=off).
+		on
+			Enable the BAU.
+		off
+			Disable the BAU.
+
 	baycom_epp=	[HW,AX25]
 			Format: <io>,<mode>
 
-- 
1.8.5.6