forked from luck/tmp_suning_uos_patched
b24413180f
Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
130 lines
4.6 KiB
C
130 lines
4.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* edac_module.h
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*
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* For defining functions/data for within the EDAC_CORE module only
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*
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* written by doug thompson <norsk5@xmission.h>
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*/
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#ifndef __EDAC_MODULE_H__
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#define __EDAC_MODULE_H__
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#include "edac_mc.h"
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#include "edac_pci.h"
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#include "edac_device.h"
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/*
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* INTERNAL EDAC MODULE:
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* EDAC memory controller sysfs create/remove functions
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* and setup/teardown functions
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*
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* edac_mc objects
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*/
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/* on edac_mc_sysfs.c */
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int edac_mc_sysfs_init(void);
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void edac_mc_sysfs_exit(void);
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extern int edac_create_sysfs_mci_device(struct mem_ctl_info *mci,
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const struct attribute_group **groups);
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extern void edac_remove_sysfs_mci_device(struct mem_ctl_info *mci);
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void edac_unregister_sysfs(struct mem_ctl_info *mci);
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extern int edac_get_log_ue(void);
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extern int edac_get_log_ce(void);
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extern int edac_get_panic_on_ue(void);
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extern int edac_mc_get_log_ue(void);
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extern int edac_mc_get_log_ce(void);
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extern int edac_mc_get_panic_on_ue(void);
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extern int edac_get_poll_msec(void);
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extern int edac_mc_get_poll_msec(void);
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unsigned edac_dimm_info_location(struct dimm_info *dimm, char *buf,
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unsigned len);
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/* on edac_device.c */
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extern int edac_device_register_sysfs_main_kobj(
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struct edac_device_ctl_info *edac_dev);
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extern void edac_device_unregister_sysfs_main_kobj(
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struct edac_device_ctl_info *edac_dev);
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extern int edac_device_create_sysfs(struct edac_device_ctl_info *edac_dev);
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extern void edac_device_remove_sysfs(struct edac_device_ctl_info *edac_dev);
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/* edac core workqueue: single CPU mode */
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int edac_workqueue_setup(void);
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void edac_workqueue_teardown(void);
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bool edac_queue_work(struct delayed_work *work, unsigned long delay);
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bool edac_stop_work(struct delayed_work *work);
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bool edac_mod_work(struct delayed_work *work, unsigned long delay);
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extern void edac_device_reset_delay_period(struct edac_device_ctl_info
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*edac_dev, unsigned long value);
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extern void edac_mc_reset_delay_period(unsigned long value);
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extern void *edac_align_ptr(void **p, unsigned size, int n_elems);
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/*
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* EDAC debugfs functions
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*/
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#define edac_debugfs_remove_recursive debugfs_remove_recursive
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#define edac_debugfs_remove debugfs_remove
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#ifdef CONFIG_EDAC_DEBUG
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int edac_debugfs_init(void);
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void edac_debugfs_exit(void);
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int edac_create_debugfs_nodes(struct mem_ctl_info *mci);
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struct dentry *edac_debugfs_create_dir(const char *dirname);
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struct dentry *
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edac_debugfs_create_dir_at(const char *dirname, struct dentry *parent);
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struct dentry *
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edac_debugfs_create_file(const char *name, umode_t mode, struct dentry *parent,
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void *data, const struct file_operations *fops);
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struct dentry *
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edac_debugfs_create_x8(const char *name, umode_t mode, struct dentry *parent, u8 *value);
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struct dentry *
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edac_debugfs_create_x16(const char *name, umode_t mode, struct dentry *parent, u16 *value);
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#else
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static inline int edac_debugfs_init(void) { return -ENODEV; }
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static inline void edac_debugfs_exit(void) { }
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static inline int edac_create_debugfs_nodes(struct mem_ctl_info *mci) { return 0; }
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static inline struct dentry *edac_debugfs_create_dir(const char *dirname) { return NULL; }
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static inline struct dentry *
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edac_debugfs_create_dir_at(const char *dirname, struct dentry *parent) { return NULL; }
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static inline struct dentry *
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edac_debugfs_create_file(const char *name, umode_t mode, struct dentry *parent,
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void *data, const struct file_operations *fops) { return NULL; }
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static inline struct dentry *
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edac_debugfs_create_x8(const char *name, umode_t mode,
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struct dentry *parent, u8 *value) { return NULL; }
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static inline struct dentry *
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edac_debugfs_create_x16(const char *name, umode_t mode,
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struct dentry *parent, u16 *value) { return NULL; }
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#endif
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/*
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* EDAC PCI functions
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*/
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#ifdef CONFIG_PCI
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extern void edac_pci_do_parity_check(void);
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extern void edac_pci_clear_parity_errors(void);
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extern int edac_sysfs_pci_setup(void);
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extern void edac_sysfs_pci_teardown(void);
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extern int edac_pci_get_check_errors(void);
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extern int edac_pci_get_poll_msec(void);
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extern void edac_pci_remove_sysfs(struct edac_pci_ctl_info *pci);
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extern void edac_pci_handle_pe(struct edac_pci_ctl_info *pci, const char *msg);
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extern void edac_pci_handle_npe(struct edac_pci_ctl_info *pci,
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const char *msg);
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#else /* CONFIG_PCI */
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/* pre-process these away */
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#define edac_pci_do_parity_check()
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#define edac_pci_clear_parity_errors()
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#define edac_sysfs_pci_setup() (0)
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#define edac_sysfs_pci_teardown()
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#define edac_pci_get_check_errors()
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#define edac_pci_get_poll_msec()
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#define edac_pci_handle_pe()
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#define edac_pci_handle_npe()
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#endif /* CONFIG_PCI */
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#endif /* __EDAC_MODULE_H__ */
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