kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/arch/riscv/include/asm/bitops.h
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@@ -1,14 +1,6 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Copyright (C) 2012 Regents of the University of California
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- *
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- *   This program is free software; you can redistribute it and/or
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- *   modify it under the terms of the GNU General Public License
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- *   as published by the Free Software Foundation, version 2.
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- *
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- *   This program is distributed in the hope that it will be useful,
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- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *   GNU General Public License for more details.
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  */
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 #ifndef _ASM_RISCV_BITOPS_H
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@@ -22,11 +14,6 @@
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 #include <linux/irqflags.h>
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 #include <asm/barrier.h>
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 #include <asm/bitsperlong.h>
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-
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-#ifndef smp_mb__before_clear_bit
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-#define smp_mb__before_clear_bit()  smp_mb()
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-#define smp_mb__after_clear_bit()   smp_mb()
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-#endif /* smp_mb__before_clear_bit */
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 #include <asm-generic/bitops/__ffs.h>
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 #include <asm-generic/bitops/ffz.h>