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| author | Stéphane Lesimple <speed47_github@speed47.net> | 2018-01-09 19:52:45 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-01-09 19:52:45 +0100 |
| commit | d6e4aa43f037e0f412bcc01cbbc89d16cf765bbb (patch) | |
| tree | a29201de752ff5b91ce32c3531b359a8924d16cd | |
| parent | e5e09384f0d72dbde64b251327ede1e6bd55c5aa (diff) | |
| parent | a7b14306d53cd644d249fb09f6ca25a4c2ef1e9f (diff) | |
| download | spectre-meltdown-checker-d6e4aa43f037e0f412bcc01cbbc89d16cf765bbb.tar.lz spectre-meltdown-checker-d6e4aa43f037e0f412bcc01cbbc89d16cf765bbb.tar.xz spectre-meltdown-checker-d6e4aa43f037e0f412bcc01cbbc89d16cf765bbb.zip | |
Merge pull request #37 from deufrai/better-dmesg-support
Improve PTI detection
| -rwxr-xr-x | spectre-meltdown-checker.sh | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/spectre-meltdown-checker.sh b/spectre-meltdown-checker.sh index 460560b..71e740b 100755 --- a/spectre-meltdown-checker.sh +++ b/spectre-meltdown-checker.sh @@ -685,7 +685,10 @@ if [ "$opt_live" = 1 ]; then # RedHat Backport creates a dedicated file, see https://access.redhat.com/articles/3311301 kpti_enabled=$(cat /sys/kernel/debug/x86/pti_enabled 2>/dev/null) elif dmesg | grep -Eq 'Kernel/User page tables isolation: enabled|Kernel page table isolation enabled'; then - # if we can't find the flag, grep in dmesg + # if we can't find the flag, grep dmesg output + kpti_enabled=1 + elif [ -r /var/log/dmesg ] && grep -Eq 'Kernel/User page tables isolation: enabled|Kernel page table isolation enabled' /var/log/dmesg; then + # if we can't find the flag in dmesg output, grep in /var/log/dmesg when readable kpti_enabled=1 else kpti_enabled=0 |