[Xen-changelog] [xen-unstable] [PV-GRUB DOC] Add details to PV-GRUB documentation

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1267799445 0
# Node ID fd6946ad6816477039498b288c2a3023d1b63a73
# Parent  b8d2a4134a6823f6d5179928a0618eaf33be4684
[PV-GRUB DOC] Add details to PV-GRUB documentation

Add a couple of documentation details about PV-GRUB support

- the menu.lst content can be passed as a ramdisk.
- virtual partitions are not supported.

Signed-off-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
---
 stubdom/README |   17 +++++++++++++++--
 1 files changed, 15 insertions(+), 2 deletions(-)

diff -r b8d2a4134a68 -r fd6946ad6816 stubdom/README
--- a/stubdom/README    Wed Mar 03 17:41:58 2010 +0000
+++ b/stubdom/README    Fri Mar 05 14:30:45 2010 +0000
@@ -52,11 +52,17 @@ kernel = "pv-grub.gz"
 
 extra = "(hd0,0)/boot/grub/menu.lst"
 
-you can also use a tftp path (dhcp will be automatically performed):
+or you can provide the content of a menu.lst stored in dom0 by passing it as a
+ramdisk:
+
+ramdisk = "/boot/domU-1-menu.lst"
+
+or you can also use a tftp path (dhcp will be automatically performed):
 
 extra = "(nd)/somepath/menu.lst"
 
-or you can set it in option 150 of your dhcp server and leave extra empty
+or you can set it in option 150 of your dhcp server and leave extra and ramdisk
+empty (dhcp will be automatically performed)
 
 Limitations
 ===========
@@ -68,6 +74,13 @@ export XEN_TARGET_ARCH=x86_32
 
 - bootsplash is supported, but the ioemu backend does not yet support restart
 for use by the booted kernel.
+
+- PV-GRUB doesn't support virtualized partitions. For instance:
+
+disk = [ 'phy:hda7,hda7,w' ]
+
+will be seen by PV-GRUB as (hd0), not (hd0,6), since GRUB will not see any
+partition table.
 
 
                                 Your own stubdom

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