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authorPeter Zijlstra <peterz@infradead.org>2025-11-21 11:21:20 +0100
committerPeter Zijlstra <peterz@infradead.org>2025-11-21 11:21:20 +0100
commit2ace52718376fdb56aca863da2eebe70d7e2ddb1 (patch)
tree494517cf79608fa93840a3c84ee5e6118da5f26f /kernel/rseq.c
parenta53d0cf7f1cb3182ad533ff5cacfa5fd29c419ad (diff)
parent11991999a20145b7f8af21202d0cac6b1f90a6e4 (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.c10
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;
}