From 7d1f269bede45d3e1e244801b931b6360e3e54fa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Lesimple?= <speed47_github@speed47.net>
Date: Thu, 16 May 2019 11:31:28 +0200
Subject: [PATCH] fix(mds): AMD confirms they're not vulnerable

---
 spectre-meltdown-checker.sh | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/spectre-meltdown-checker.sh b/spectre-meltdown-checker.sh
index 0d382cd..68d0d53 100755
--- a/spectre-meltdown-checker.sh
+++ b/spectre-meltdown-checker.sh
@@ -597,16 +597,12 @@ is_cpu_mds_free()
                 fi
 	fi
 
+	# official statement from AMD says none of their CPUs are vulnerable
+	# https://www.amd.com/en/corporate/product-security
+	# https://www.amd.com/system/files/documents/security-whitepaper.pdf
 	if is_amd; then
-		if [ "$cpu_family" = "18" ] || \
-			[ "$cpu_family" = "17" ] || \
-			[ "$cpu_family" = "16" ] || \
-			[ "$cpu_family" = "15" ]; then 
-			return 0
-		fi
-	fi
-
-	if is_hygon; then
+		return 0
+	elif is_hygon; then
 		return 0
 	elif [ "$cpu_vendor" = CAVIUM ]; then
 		return 0