kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/arch/riscv/kernel/sys_riscv.c
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@@ -1,16 +1,8 @@
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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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  * Copyright (C) 2014 Darius Rad <darius@bluespec.com>
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  * Copyright (C) 2017 SiFive
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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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 #include <linux/syscalls.h>
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@@ -25,10 +17,6 @@
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 {
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 	if (unlikely(offset & (~PAGE_MASK >> page_shift_offset)))
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 		return -EINVAL;
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-
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-	if ((prot & PROT_WRITE) && (prot & PROT_EXEC))
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-		if (unlikely(!(prot & PROT_READ)))
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-			return -EINVAL;
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 	return ksys_mmap_pgoff(addr, len, prot, flags, fd,
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 			       offset >> (PAGE_SHIFT - page_shift_offset));