From cd68fbefd9c9470539cf5656074906b3baeca63c Mon Sep 17 00:00:00 2001
From: Brijesh Singh <brijesh.singh@amd.com>
Date: Sun, 24 May 2020 07:14:11 -0500
Subject: fix SEV policy calculation and remove thp change from grub

---
 launch-qemu.sh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'launch-qemu.sh')

diff --git a/launch-qemu.sh b/launch-qemu.sh
index db13e7f..43cec9b 100755
--- a/launch-qemu.sh
+++ b/launch-qemu.sh
@@ -220,12 +220,15 @@ if [ ${SEV} = "1" ]; then
 		[ "${ALLOW_DEBUG}" = "1" ] && POLICY=$((POLICY & ~0x01))
 		[ "${SEV_ES}" = "1" ] && POLICY=$((POLICY | 0x04))
 		SEV_POLICY=$(printf ",policy=%#x" $POLICY)
-		SEV_POLICY=",policy=0xB0000"
 	fi
 
 	if [ "${SEV_SNP}" = 1 ]; then
 		SEV_GUEST_SNP=",snp=yes"
 
+		POLICY=$((0x30000))
+		SEV_POLICY=$(printf ",policy=%#x" $POLICY)
+		[ "${ALLOW_DEBUG}" = "1" ] && POLICY=$((POLICY | 0x80000))
+
 		# check if THP is disable
 		cat /sys/kernel/mm/transparent_hugepage/enabled  | grep -w "\[never\]"
 		if [ $? -ne 0 ]; then
-- 
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