From 7606acd228619ebcda44b17e11f1c524de2c44d0 Mon Sep 17 00:00:00 2001
From: Kroese <kroese@users.noreply.github.com>
Date: Sun, 19 May 2024 21:21:15 +0200
Subject: [PATCH] feat: Display KVM warning on x64 CPU's (#78)

---
 src/proc.sh | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/proc.sh b/src/proc.sh
index c73760a..60b8529 100644
--- a/src/proc.sh
+++ b/src/proc.sh
@@ -8,7 +8,10 @@ set -Eeuo pipefail
 : "${CPU_MODEL:=""}"
 : "${DEF_MODEL:="neoverse-n1"}"
 
-[[ "${ARCH,,}" != "arm"* ]] && KVM="N"
+ if [[ "${ARCH,,}" != "arm64" ]]; then
+  KVM="N"
+  warn "your CPU architecture is ${ARCH} and cannot provide KVM acceleration for ARM64 instructions, this will cause a major loss of performance."
+fi
 
 if [[ "$KVM" != [Nn]* ]]; then
 
@@ -54,7 +57,7 @@ else
   KVM_OPTS=" -accel tcg,thread=multi"
 
   if [ -z "$CPU_MODEL" ]; then
-    if [[ "$ARCH" == "arm"* ]]; then
+    if [[ "${ARCH,,}" == "arm64" ]]; then
       CPU_MODEL="max,pauth-impdef=on"
     else
       CPU_MODEL="$DEF_MODEL"