add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/riscv/include/asm/ftrace.h
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@@ -1,6 +1,9 @@
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 /* SPDX-License-Identifier: GPL-2.0 */
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 /* Copyright (C) 2017 Andes Technology Corporation */
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+#ifndef _ASM_RISCV_FTRACE_H
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+#define _ASM_RISCV_FTRACE_H
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+
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 /*
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  * The graph frame test is not possible if CONFIG_FRAME_POINTER is not enabled.
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  * Check arch/riscv/kernel/mcount.S for detail.
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@@ -80,4 +83,6 @@
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 #define ftrace_init_nop ftrace_init_nop
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 #endif
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-#endif
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+#endif /* CONFIG_DYNAMIC_FTRACE */
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+
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+#endif /* _ASM_RISCV_FTRACE_H */