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-rwxr-xr-xtools/testing/selftests/powerpc/security/mitigation-patching.sh5
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/testing/selftests/powerpc/security/mitigation-patching.sh b/tools/testing/selftests/powerpc/security/mitigation-patching.sh
index b0b20e0b4e30..f43aa4b77fba 100755
--- a/tools/testing/selftests/powerpc/security/mitigation-patching.sh
+++ b/tools/testing/selftests/powerpc/security/mitigation-patching.sh
@@ -44,7 +44,10 @@ mitigations="barrier_nospec stf_barrier count_cache_flush rfi_flush entry_flush
for m in $mitigations
do
- do_one "$m" &
+ if [[ -f /sys/kernel/debug/powerpc/$m ]]
+ then
+ do_one "$m" &
+ fi
done
echo "Spawned threads enabling/disabling mitigations ..."