From a36159eec6ca17402b0e146b86efaf76568dc353 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 20 Sep 2024 01:41:23 +0000
Subject: [PATCH] 重命名 AX88772C_eeprom/asix.c 为 asix_mac.c
---
kernel/tools/arch/powerpc/include/asm/barrier.h | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/kernel/tools/arch/powerpc/include/asm/barrier.h b/kernel/tools/arch/powerpc/include/asm/barrier.h
index a634da0..905a2c6 100644
--- a/kernel/tools/arch/powerpc/include/asm/barrier.h
+++ b/kernel/tools/arch/powerpc/include/asm/barrier.h
@@ -27,4 +27,20 @@
#define rmb() __asm__ __volatile__ ("sync" : : : "memory")
#define wmb() __asm__ __volatile__ ("sync" : : : "memory")
+#if defined(__powerpc64__)
+#define smp_lwsync() __asm__ __volatile__ ("lwsync" : : : "memory")
+
+#define smp_store_release(p, v) \
+do { \
+ smp_lwsync(); \
+ WRITE_ONCE(*p, v); \
+} while (0)
+
+#define smp_load_acquire(p) \
+({ \
+ typeof(*p) ___p1 = READ_ONCE(*p); \
+ smp_lwsync(); \
+ ___p1; \
+})
+#endif /* defined(__powerpc64__) */
#endif /* _TOOLS_LINUX_ASM_POWERPC_BARRIER_H */
--
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