[Xen-devel] [PATCH, PV-GRUB DOC] Add details to PV-GRUB documentation

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>]

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>

diff -r b8d2a4134a68 stubdom/README
--- a/stubdom/README    Wed Mar 03 17:41:58 2010 +0000
+++ b/stubdom/README    Wed Mar 03 20:42:53 2010 +0100
@@ -52,11 +52,17 @@
 
 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
 ===========
@@ -69,6 +75,13 @@
 - 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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