vasilito
dc68054305
- Restore 29 recipe symlinks (libdrm, qtbase, dbus, sddm, pipewire, etc.) - Restore 33 patches (KDE, libdrm, mesa, pipewire, sddm, wireplumber) - Restore 20+ local/scripts (audit, lint, test, build helpers) - Restore src/cook/scheduler.rs, status.rs, gnu-config/ - Restore scripts/patch-inclusion-gate.sh, run_mini1.sh, validate-collision-log.sh - Recover TLC source from HEAD (was overwritten by 0.2.3 checkout) - Recover 11 local/docs plans from HEAD (were overwritten) - Recover qt6-wayland-smoke symlink from HEAD - Fix MOTD: remove garbled ASCII art, use clean text - Update version: 0.2.0 -> 0.2.4 in os-release, motd, config - Reduce filesystem_size: 1536 -> 512 MiB - Add ABSOLUTE RULE to AGENTS.md: never delete/ignore packages - Reduce pcid scheme log verbosity: info -> debug
143 lines
3.4 KiB
C
143 lines
3.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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#ifndef _LINUX_REF_TRACKER_H
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#define _LINUX_REF_TRACKER_H
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#include <linux/refcount.h>
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#include <linux/types.h>
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#include <linux/spinlock.h>
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#include <linux/stackdepot.h>
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#define __ostream_printf __printf(2, 3)
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struct ref_tracker;
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struct ref_tracker_dir {
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#ifdef CONFIG_REF_TRACKER
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spinlock_t lock;
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unsigned int quarantine_avail;
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refcount_t untracked;
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refcount_t no_tracker;
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bool dead;
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struct list_head list; /* List of active trackers */
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struct list_head quarantine; /* List of dead trackers */
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const char *class; /* object classname */
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#endif
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};
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#ifdef CONFIG_REF_TRACKER
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#ifdef CONFIG_DEBUG_FS
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void ref_tracker_dir_debugfs(struct ref_tracker_dir *dir);
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void ref_tracker_dir_symlink(struct ref_tracker_dir *dir, const char *fmt, ...);
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#else /* CONFIG_DEBUG_FS */
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static inline void ref_tracker_dir_debugfs(struct ref_tracker_dir *dir)
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{
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}
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static inline __ostream_printf
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void ref_tracker_dir_symlink(struct ref_tracker_dir *dir, const char *fmt, ...)
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{
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}
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#endif /* CONFIG_DEBUG_FS */
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/**
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* ref_tracker_dir_init - initialize a ref_tracker dir
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* @dir: ref_tracker_dir to be initialized
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* @quarantine_count: max number of entries to be tracked
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* @class: pointer to static string that describes object type
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*
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* Initialize a ref_tracker_dir. If debugfs is configured, then a file
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* will also be created for it under the top-level ref_tracker debugfs
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* directory.
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*
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* Note that @class must point to a static string.
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*/
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static inline void ref_tracker_dir_init(struct ref_tracker_dir *dir,
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unsigned int quarantine_count,
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const char *class)
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{
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INIT_LIST_HEAD(&dir->list);
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INIT_LIST_HEAD(&dir->quarantine);
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spin_lock_init(&dir->lock);
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dir->quarantine_avail = quarantine_count;
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dir->dead = false;
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refcount_set(&dir->untracked, 1);
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refcount_set(&dir->no_tracker, 1);
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dir->class = class;
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ref_tracker_dir_debugfs(dir);
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stack_depot_init();
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}
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void ref_tracker_dir_exit(struct ref_tracker_dir *dir);
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void ref_tracker_dir_print_locked(struct ref_tracker_dir *dir,
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unsigned int display_limit);
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void ref_tracker_dir_print(struct ref_tracker_dir *dir,
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unsigned int display_limit);
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int ref_tracker_dir_snprint(struct ref_tracker_dir *dir, char *buf, size_t size);
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int ref_tracker_alloc(struct ref_tracker_dir *dir,
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struct ref_tracker **trackerp, gfp_t gfp);
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int ref_tracker_free(struct ref_tracker_dir *dir,
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struct ref_tracker **trackerp);
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#else /* CONFIG_REF_TRACKER */
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static inline void ref_tracker_dir_init(struct ref_tracker_dir *dir,
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unsigned int quarantine_count,
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const char *class)
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{
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}
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static inline void ref_tracker_dir_debugfs(struct ref_tracker_dir *dir)
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{
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}
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static inline __ostream_printf
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void ref_tracker_dir_symlink(struct ref_tracker_dir *dir, const char *fmt, ...)
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{
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}
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static inline void ref_tracker_dir_exit(struct ref_tracker_dir *dir)
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{
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}
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static inline void ref_tracker_dir_print_locked(struct ref_tracker_dir *dir,
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unsigned int display_limit)
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{
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}
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static inline void ref_tracker_dir_print(struct ref_tracker_dir *dir,
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unsigned int display_limit)
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{
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}
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static inline int ref_tracker_dir_snprint(struct ref_tracker_dir *dir,
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char *buf, size_t size)
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{
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return 0;
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}
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static inline int ref_tracker_alloc(struct ref_tracker_dir *dir,
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struct ref_tracker **trackerp,
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gfp_t gfp)
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{
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return 0;
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}
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static inline int ref_tracker_free(struct ref_tracker_dir *dir,
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struct ref_tracker **trackerp)
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{
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return 0;
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}
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#endif
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#endif /* _LINUX_REF_TRACKER_H */
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