diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2021-01-25 16:26:50 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2021-02-17 14:12:42 +0100 |
| commit | ef72661e28c64ad610f89acc2832ec67b27ba438 (patch) | |
| tree | a68805ca80c0cc424cda83ae3100fd016f7a8793 /include/linux/kernel.h | |
| parent | 73f44fe19d359635a607e8e8daa0da4001c1cfc2 (diff) | |
| download | linux-ef72661e28c64ad610f89acc2832ec67b27ba438.tar.gz | |
sched: Harden PREEMPT_DYNAMIC
Use the new EXPORT_STATIC_CALL_TRAMP() / static_call_mod() to unexport
the static_call_key for the PREEMPT_DYNAMIC calls such that modules
can no longer update these calls.
Having modules change/hi-jack the preemption calls would be horrible.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/kernel.h')
| -rw-r--r-- | include/linux/kernel.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h index cfd3d349f905ea..5b7ed6dc99accf 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -93,7 +93,7 @@ DECLARE_STATIC_CALL(might_resched, __cond_resched); static __always_inline void might_resched(void) { - static_call(might_resched)(); + static_call_mod(might_resched)(); } #else |