diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2025-11-21 11:21:20 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2025-11-21 11:21:20 +0100 |
| commit | 2ace52718376fdb56aca863da2eebe70d7e2ddb1 (patch) | |
| tree | 494517cf79608fa93840a3c84ee5e6118da5f26f /kernel/rseq.c | |
| parent | a53d0cf7f1cb3182ad533ff5cacfa5fd29c419ad (diff) | |
| parent | 11991999a20145b7f8af21202d0cac6b1f90a6e4 (diff) | |
Merge branch 'objtool/core'
Bring in the UDB and objtool data annotations to avoid conflicts while further extending the bug exceptions.
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Diffstat (limited to 'kernel/rseq.c')
| -rw-r--r-- | kernel/rseq.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/kernel/rseq.c b/kernel/rseq.c index b7a1ec327e81..2452b7366b00 100644 --- a/kernel/rseq.c +++ b/kernel/rseq.c @@ -342,12 +342,12 @@ static int rseq_need_restart(struct task_struct *t, u32 cs_flags) /* * Load and clear event mask atomically with respect to - * scheduler preemption. + * scheduler preemption and membarrier IPIs. */ - preempt_disable(); - event_mask = t->rseq_event_mask; - t->rseq_event_mask = 0; - preempt_enable(); + scoped_guard(RSEQ_EVENT_GUARD) { + event_mask = t->rseq_event_mask; + t->rseq_event_mask = 0; + } return !!event_mask; } |
