From: Christoph Lameter <cl@gentwo.org>
Date: Wed, 28 Aug 2024 22:02:23 +0000 (-0700)
Subject: wait for power
X-Git-Url: https://gentwo.org/gitweb/?a=commitdiff_plain;h=refs%2Fheads%2Fv3;p=linux%2F.git

wait for power
---

diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h
index 68b3af8bd6c6..4442a97ffe9a 100644
--- a/include/linux/seqlock.h
+++ b/include/linux/seqlock.h
@@ -135,7 +135,7 @@ static inline void seqcount_lockdep_reader_access(const seqcount_t *s)
 static __always_inline unsigned __seqprop_load_sequence(const seqcount_t *s, bool acquire)
 {
 	if (acquire && IS_ENABLED(CONFIG_ARCH_HAS_ACQUIRE_RELEASE))
-		return smp_load_acquire(&s->sequence);
+		return smp_cond_load_acquire(&s->sequence, (s->sequence & 1) == 0);
 	else
 		return READ_ONCE(s->sequence);
 }