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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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e2a2e56e40
When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Cc: Will Deacon <will.deacon@arm.com> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Peng Donglin <dolinux.peng@gmail.com> Cc: <linux-arm-kernel@lists.infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
/*
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* Copyright (C) 2014 ARM Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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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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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ASM_PTDUMP_H
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#define __ASM_PTDUMP_H
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#ifdef CONFIG_ARM64_PTDUMP_CORE
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#include <linux/mm_types.h>
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#include <linux/seq_file.h>
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struct addr_marker {
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unsigned long start_address;
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char *name;
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};
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struct ptdump_info {
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struct mm_struct *mm;
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const struct addr_marker *markers;
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unsigned long base_addr;
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};
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void ptdump_walk_pgd(struct seq_file *s, struct ptdump_info *info);
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#ifdef CONFIG_ARM64_PTDUMP_DEBUGFS
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void ptdump_debugfs_register(struct ptdump_info *info, const char *name);
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#else
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static inline void ptdump_debugfs_register(struct ptdump_info *info,
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const char *name) { }
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#endif
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void ptdump_check_wx(void);
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#endif /* CONFIG_ARM64_PTDUMP_CORE */
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#ifdef CONFIG_DEBUG_WX
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#define debug_checkwx() ptdump_check_wx()
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#else
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#define debug_checkwx() do { } while (0)
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#endif
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#endif /* __ASM_PTDUMP_H */
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