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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/tools/include/asm/barrier.h
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..
@@ -1,4 +1,5 @@
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 /* SPDX-License-Identifier: GPL-2.0 */
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+#include <linux/compiler.h>
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 #if defined(__i386__) || defined(__x86_64__)
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 #include "../../arch/x86/include/asm/barrier.h"
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 #elif defined(__arm__)
..
..
@@ -23,6 +24,42 @@
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 #include "../../arch/ia64/include/asm/barrier.h"
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 #elif defined(__xtensa__)
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 #include "../../arch/xtensa/include/asm/barrier.h"
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+#elif defined(__nds32__)
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+#include "../../arch/nds32/include/asm/barrier.h"
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 #else
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 #include <asm-generic/barrier.h>
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 #endif
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+
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+/*
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+ * Generic fallback smp_*() definitions for archs that haven't
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+ * been updated yet.
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+ */
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+
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+#ifndef smp_rmb
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+# define smp_rmb()	rmb()
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+#endif
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+
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+#ifndef smp_wmb
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+# define smp_wmb()	wmb()
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+#endif
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+
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+#ifndef smp_mb
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+# define smp_mb()	mb()
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+#endif
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+
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+#ifndef smp_store_release
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+# define smp_store_release(p, v)		\
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+do {						\
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+	smp_mb();				\
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+	WRITE_ONCE(*p, v);			\
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+} while (0)
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+#endif
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+
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+#ifndef smp_load_acquire
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+# define smp_load_acquire(p)			\
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+({						\
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+	typeof(*p) ___p1 = READ_ONCE(*p);	\
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+	smp_mb();				\
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+	___p1;					\
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+})
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+#endif