From af3271df4cab2371082d55dfdb2ee9d34577f384 Mon Sep 17 00:00:00 2001
From: Hans-Joachim Kliemeck <git@kliemeck.de>
Date: Sun, 16 Dec 2018 22:08:40 +0100
Subject: [PATCH] add xen support for meltdown

---
 spectre-meltdown-checker.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/spectre-meltdown-checker.sh b/spectre-meltdown-checker.sh
index 652c00f..3119e5c 100755
--- a/spectre-meltdown-checker.sh
+++ b/spectre-meltdown-checker.sh
@@ -3307,6 +3307,10 @@ check_CVE_2017_5754_linux()
 				# Red Hat Backport creates a dedicated file, see https://access.redhat.com/articles/3311301
 				kpti_enabled=$(cat /sys/kernel/debug/x86/pti_enabled 2>/dev/null)
 				_debug "kpti_enabled: file /sys/kernel/debug/x86/pti_enabled exists and says: $kpti_enabled"
+			elif is_xen_dom0; then
+				pti_xen_pv_domU=$(xl dmesg | grep 'XPTI' | grep 'DomU enabled' | head -1)
+
+				[ -n "$pti_xen_pv_domU" ] && kpti_enabled=1
 			fi
 			if [ -z "$kpti_enabled" ]; then
 				dmesg_grep "$dmesg_grep"; ret=$?