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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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009669cfad
A recent patch set to rework the usage of debugfs and to add fault
injection capabilities via debugfs files to the hfi1 driver introduced a
build error that only shows up when debugfs is fully disabled. The
patchset mistakenly defines some empty stub functions in two different
headers when debugfs is disabled. Remove the set that shouldn't have
been there to resolve the issue.
Fixes: a74d5307ca ("IB/hfi1: Rework fault injection machinery")
Signed-off-by: Doug Ledford <dledford@redhat.com>
124 lines
4.0 KiB
C
124 lines
4.0 KiB
C
#ifndef _HFI1_DEBUGFS_H
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#define _HFI1_DEBUGFS_H
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/*
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* Copyright(c) 2015, 2016, 2018 Intel Corporation.
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*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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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 version 2 of the GNU General Public License 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, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* BSD LICENSE
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* - Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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struct hfi1_ibdev;
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#define DEBUGFS_FILE_CREATE(name, parent, data, ops, mode) \
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do { \
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struct dentry *ent; \
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const char *__name = name; \
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ent = debugfs_create_file(__name, mode, parent, \
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data, ops); \
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if (!ent) \
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pr_warn("create of %s failed\n", __name); \
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} while (0)
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#define DEBUGFS_SEQ_FILE_OPS(name) \
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static const struct seq_operations _##name##_seq_ops = { \
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.start = _##name##_seq_start, \
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.next = _##name##_seq_next, \
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.stop = _##name##_seq_stop, \
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.show = _##name##_seq_show \
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}
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#define DEBUGFS_SEQ_FILE_OPEN(name) \
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static int _##name##_open(struct inode *inode, struct file *s) \
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{ \
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struct seq_file *seq; \
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int ret; \
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ret = seq_open(s, &_##name##_seq_ops); \
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if (ret) \
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return ret; \
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seq = s->private_data; \
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seq->private = inode->i_private; \
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return 0; \
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}
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#define DEBUGFS_FILE_OPS(name) \
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static const struct file_operations _##name##_file_ops = { \
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.owner = THIS_MODULE, \
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.open = _##name##_open, \
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.read = hfi1_seq_read, \
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.llseek = hfi1_seq_lseek, \
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.release = seq_release \
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}
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#define DEBUGFS_SEQ_FILE_CREATE(name, parent, data) \
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DEBUGFS_FILE_CREATE(#name, parent, data, &_##name##_file_ops, 0444)
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ssize_t hfi1_seq_read(struct file *file, char __user *buf, size_t size,
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loff_t *ppos);
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loff_t hfi1_seq_lseek(struct file *file, loff_t offset, int whence);
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#ifdef CONFIG_DEBUG_FS
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void hfi1_dbg_ibdev_init(struct hfi1_ibdev *ibd);
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void hfi1_dbg_ibdev_exit(struct hfi1_ibdev *ibd);
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void hfi1_dbg_init(void);
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void hfi1_dbg_exit(void);
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#else
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static inline void hfi1_dbg_ibdev_init(struct hfi1_ibdev *ibd)
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{
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}
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static inline void hfi1_dbg_ibdev_exit(struct hfi1_ibdev *ibd)
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{
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}
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static inline void hfi1_dbg_init(void)
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{
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}
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static inline void hfi1_dbg_exit(void)
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{
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}
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#endif
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#endif /* _HFI1_DEBUGFS_H */
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