grub2/0086-Use-grub-file-to-figur...

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From b4d709b6ee789cdaf3fa7a80fd90c721a16f48c2 Mon Sep 17 00:00:00 2001
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date: Tue, 29 Aug 2017 16:40:53 -0400
Subject: [PATCH] Use grub-file to figure out whether multiboot2 should be used
for Xen.gz
The multiboot2 is much more preferable than multiboot. Especiall
if booting under EFI where multiboot does not have the functionality
to pass ImageHandler.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
---
util/grub.d/20_linux_xen.in | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/util/grub.d/20_linux_xen.in b/util/grub.d/20_linux_xen.in
index 083bcef5d1b..0cb0f4e49b9 100644
--- a/util/grub.d/20_linux_xen.in
+++ b/util/grub.d/20_linux_xen.in
@@ -210,8 +210,13 @@ while [ "x${xen_list}" != "x" ] ; do
xen_loader="xen_hypervisor"
module_loader="xen_module"
else
- xen_loader="multiboot"
- module_loader="module"
+ if ($grub_file --is-x86-multiboot2 $current_xen); then
+ xen_loader="multiboot2"
+ module_loader="module2"
+ else
+ xen_loader="multiboot"
+ module_loader="module"
+ fi
fi
while [ "x$list" != "x" ] ; do
linux=`version_find_latest $list`