From 686dcd88c2e4147ec5731647c569d8ef4c7064b5 Mon Sep 17 00:00:00 2001
From: Gal Hammer <gal.hammer@huawei.com>
Date: Wed, 6 Apr 2022 12:37:18 +0300
Subject: [PATCH] scripts: Do msr existence check only on x86_64 machines

aarch64 doesn't have a msr module (DPDK acquires the TSR rate elsewhere).

Signed-off-by: Gal Hammer <gal.hammer@huawei.com>
Signed-off-by: Shai Fultheim <shai.fultheim@huawei.com>
Change-Id: Ib9795141a78436959853ab5548ae49f024344b25
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/12354
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
---
 scripts/setup.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/setup.sh b/scripts/setup.sh
index 26414087a..8a603a7db 100755
--- a/scripts/setup.sh
+++ b/scripts/setup.sh
@@ -570,7 +570,7 @@ function configure_linux() {
 		fi
 	fi
 
-	if [ ! -e /dev/cpu/0/msr ]; then
+	if [ $(uname -i) == "x86_64" ] && [ ! -e /dev/cpu/0/msr ]; then
 		# Some distros build msr as a module.  Make sure it's loaded to ensure
 		#  DPDK can easily figure out the TSC rate rather than relying on 100ms
 		#  sleeps.