From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/tools/arch/s390/include/asm/barrier.h | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/kernel/tools/arch/s390/include/asm/barrier.h b/kernel/tools/arch/s390/include/asm/barrier.h
index 5030c99..de362fa 100644
--- a/kernel/tools/arch/s390/include/asm/barrier.h
+++ b/kernel/tools/arch/s390/include/asm/barrier.h
@@ -28,4 +28,17 @@
#define rmb() mb()
#define wmb() mb()
+#define smp_store_release(p, v) \
+do { \
+ barrier(); \
+ WRITE_ONCE(*p, v); \
+} while (0)
+
+#define smp_load_acquire(p) \
+({ \
+ typeof(*p) ___p1 = READ_ONCE(*p); \
+ barrier(); \
+ ___p1; \
+})
+
#endif /* __TOOLS_LIB_ASM_BARRIER_H */
--
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