kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/arch/riscv/include/asm/mmu.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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@@ -18,6 +10,9 @@
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 #ifndef __ASSEMBLY__
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 typedef struct {
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+#ifndef CONFIG_MMU
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+	unsigned long	end_brk;
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+#endif
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 	void *vdso;
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 #ifdef CONFIG_SMP
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 	/* A local icache flush is needed before user execution can resume. */
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@@ -25,6 +20,8 @@
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 #endif
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 } mm_context_t;
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+void __init create_pgd_mapping(pgd_t *pgdp, uintptr_t va, phys_addr_t pa,
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+			       phys_addr_t sz, pgprot_t prot);
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 #endif /* __ASSEMBLY__ */
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 #endif /* _ASM_RISCV_MMU_H */