peter/spectre-meltdown-checker
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Merge pull request #48 from speed47/opensuse

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fix(opensuse): add specific location for ibrs_enabled file
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Stéphane Lesimple 2018-01-10 18:41:30 +01:00 committed by GitHub
commit b913dacc1b
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1 changed files with 15 additions and 11 deletions
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26
spectre-meltdown-checker.sh
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@ -601,17 +601,21 @@ check_variant2()
_info_nol "* Kernel support for IBRS: "
if [ "$opt_live" = 1 ]; then
mount_debugfs
if [ -e /sys/kernel/debug/ibrs_enabled ]; then
# if the file is there, we have IBRS compiled-in
pstatus green YES
ibrs_supported=1
ibrs_enabled=$(cat /sys/kernel/debug/ibrs_enabled 2>/dev/null)
elif [ -e /sys/kernel/debug/x86/ibrs_enabled ]; then
# RedHat uses a different path (see https://access.redhat.com/articles/3311301)
pstatus green YES
ibrs_supported=1
ibrs_enabled=$(cat /sys/kernel/debug/x86/ibrs_enabled 2>/dev/null)
fi
for ibrs_file in \
/sys/kernel/debug/ibrs_enabled \
/sys/kernel/debug/x86/ibrs_enabled \
/proc/sys/kernel/ibrs_enabled; do
if [ -e "$ibrs_file" ]; then
# if the file is there, we have IBRS compiled-in
# /sys/kernel/debug/ibrs_enabled: vanilla
# /sys/kernel/debug/x86/ibrs_enabled: RedHat (see https://access.redhat.com/articles/3311301)
# /proc/sys/kernel/ibrs_enabled: OpenSUSE tumbleweed
pstatus green YES
ibrs_supported=1
ibrs_enabled=$(cat "$ibrs_file" 2>/dev/null)
break
fi
done
fi
if [ "$ibrs_supported" != 1 -a -n "$opt_map" ]; then
if grep -q spec_ctrl "$opt_map"; then