Support for immediate flag was removed by commit d0807da78e11
("livepatch: Remove immediate feature"). We bail out during
patch registration for architectures, those don't support
reliable stack trace. Remove the check in klp_try_switch_task(),
as its not required.
Signed-off-by: Kamalesh Babulal <kamalesh@xxxxxxxxxxxxxxxxxx>
---
kernel/livepatch/transition.c | 7 -------
1 file changed, 7 deletions(-)
diff --git a/kernel/livepatch/transition.c b/kernel/livepatch/transition.c
index 7c6631e693bc..5bc349805e03 100644
--- a/kernel/livepatch/transition.c
+++ b/kernel/livepatch/transition.c
@@ -310,13 +310,6 @@ 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.
--
2.7.4
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