From 36bd80d75fd3217dde94b65598fd5838948882cb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Lesimple?= <speed47_github@speed47.net>
Date: Fri, 2 Feb 2018 11:13:31 +0100
Subject: [PATCH] enh: speedup by not decompressing kernel on --sysfs-only

---
 spectre-meltdown-checker.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/spectre-meltdown-checker.sh b/spectre-meltdown-checker.sh
index 354afec..b0b4e39 100755
--- a/spectre-meltdown-checker.sh
+++ b/spectre-meltdown-checker.sh
@@ -982,6 +982,8 @@ if [ -e "$opt_kernel" ]; then
 	if ! which readelf >/dev/null 2>&1; then
 		_debug "readelf not found"
 		vmlinux_err="missing 'readelf' tool, please install it, usually it's in the 'binutils' package"
+	elif [ "$opt_sysfs_only" = 1 ]; then
+		vmlinux_err='kernel image decompression skipped'
 	else
 		extract_vmlinux "$opt_kernel"
 	fi