add driver 5G

hc

2024-01-31 f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2

 kernel/include/linux/nospec.h
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@@ -11,6 +11,10 @@
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 struct task_struct;
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+#ifndef barrier_nospec
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+# define barrier_nospec() do { } while (0)
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+#endif
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+
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 /**
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  * array_index_mask_nospec() - generate a ~0 mask when index < size, 0 otherwise
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  * @index: array element index