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-rw-r--r--kernel/livepatch/transition.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/livepatch/transition.c b/kernel/livepatch/transition.c
index 0a3889c4f617..cb85dae09ce5 100644
--- a/kernel/livepatch/transition.c
+++ b/kernel/livepatch/transition.c
@@ -306,6 +306,13 @@ static bool klp_try_switch_task(struct task_struct *task)
return true;
/*
+ * For arches which don't have reliable stack traces, we have to rely
+ * on other methods (e.g., switching tasks at kernel exit).
+ */
+ if (!klp_have_reliable_stack())
+ return false;
+
+ /*
* Now try to check the stack for any to-be-patched or to-be-unpatched
* functions. If all goes well, switch the task to the target patch
* state.