[Xen-devel] [PATCH 3 of 6 DOCDAY] unmodified_drivers: update README from http://wiki.xen.org/xenwiki/UnmodifiedDrivers

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

# HG changeset patch
# User Ian Campbell <ian.campbell@xxxxxxxxxx>
# Date 1319647443 -3600
# Node ID b49eb99dc11aff809566f4b5bd53053aa5daef7d
# Parent  52058c9448935818e2a810a438244e06f40b4e0e
unmodified_drivers: update README from 
http://wiki.xen.org/xenwiki/UnmodifiedDrivers

Add reference to the fact that these drivers are for "classic-Xen" kernels only
and do not work with PVops but point towards the PVHVM functionality in
mainstream.

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

diff -r 52058c944893 -r b49eb99dc11a unmodified_drivers/linux-2.6/README
--- a/unmodified_drivers/linux-2.6/README       Wed Oct 26 17:23:37 2011 +0100
+++ b/unmodified_drivers/linux-2.6/README       Wed Oct 26 17:44:03 2011 +0100
@@ -1,10 +1,19 @@
-To build:
+These drivers provide paravirtualised drivers for pre-PVops Linux
+kernels which have the classic-Xen patches applied. They do not work
+with kernels which are not patched with the classic-Xen patches. In
+particular this includes all PVops kernels.
 
-1. ./mkbuildtree [<arch>]
+For 2.6.36 and newer you should use the "PVHVM" functionality which is
+available in the mainline kernel.
+
+To build do one of:
+
+   ./mkbuildtree [<arch>]
    NB. You can override paths to Xen sources and a (stub) XenLinux
        build tree via the XEN and XL environment variable.
 
-2. make -C /path/to/kernel/build M=$PWD modules
+- or -
+   make -C /path/to/kernel/build M=$PWD modules
    NB. This is your native kernel build tree (or a distro provided
        stub), not the XenLinux sources referred to in step 1.
    NB. If you are cross compiling, you need to set ARCH and

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