From 124ce8e27acd9233a4e0650cf94820654decd86e Mon Sep 17 00:00:00 2001 From: Sebastian Wiesinger Date: Mon, 8 Jan 2018 14:38:43 +0100 Subject: [PATCH] Recognize 'kaiser' flag in /proc/cpuinfo --- spectre-meltdown-checker.sh | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/spectre-meltdown-checker.sh b/spectre-meltdown-checker.sh index 3be2418..22239f3 100755 --- a/spectre-meltdown-checker.sh +++ b/spectre-meltdown-checker.sh @@ -290,6 +290,10 @@ if grep ^flags /proc/cpuinfo | grep -qw pti; then # vanilla PTI patch sets the 'pti' flag in cpuinfo pstatus green YES kpti_enabled=1 +elif grep ^flags /proc/cpuinfo | grep -qw kaiser; then + # kernel line 4.9 sets the 'kaiser' flag in cpuinfo + pstatus green YES + kpti_enabled=1 elif [ -e /sys/kernel/debug/x86/pti_enabled ]; then # RedHat Backport creates a dedicated file, see https://access.redhat.com/articles/3311301 kpti_enabled=$(cat /sys/kernel/debug/x86/pti_enabled 2>/dev/null)