linux-hardened/kernel/slow-work.h
David Howells a53f4f9efa SLOW_WORK: CONFIG_SLOW_WORK_PROC should be CONFIG_SLOW_WORK_DEBUG
CONFIG_SLOW_WORK_PROC was changed to CONFIG_SLOW_WORK_DEBUG, but not in all
instances.  Change the remaining instances.  This makes the debugfs file
display the time mark and the owner's description again.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-03-29 09:14:47 -07:00

72 lines
1.8 KiB
C

/* Slow work private definitions
*
* Copyright (C) 2009 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public Licence
* as published by the Free Software Foundation; either version
* 2 of the Licence, or (at your option) any later version.
*/
#define SLOW_WORK_CULL_TIMEOUT (5 * HZ) /* cull threads 5s after running out of
* things to do */
#define SLOW_WORK_OOM_TIMEOUT (5 * HZ) /* can't start new threads for 5s after
* OOM */
#define SLOW_WORK_THREAD_LIMIT 255 /* abs maximum number of slow-work threads */
/*
* slow-work.c
*/
#ifdef CONFIG_SLOW_WORK_DEBUG
extern struct slow_work *slow_work_execs[];
extern pid_t slow_work_pids[];
extern rwlock_t slow_work_execs_lock;
#endif
extern struct list_head slow_work_queue;
extern struct list_head vslow_work_queue;
extern spinlock_t slow_work_queue_lock;
/*
* slow-work-debugfs.c
*/
#ifdef CONFIG_SLOW_WORK_DEBUG
extern const struct file_operations slow_work_runqueue_fops;
extern void slow_work_new_thread_desc(struct slow_work *, struct seq_file *);
#endif
/*
* Helper functions
*/
static inline void slow_work_set_thread_pid(int id, pid_t pid)
{
#ifdef CONFIG_SLOW_WORK_DEBUG
slow_work_pids[id] = pid;
#endif
}
static inline void slow_work_mark_time(struct slow_work *work)
{
#ifdef CONFIG_SLOW_WORK_DEBUG
work->mark = CURRENT_TIME;
#endif
}
static inline void slow_work_begin_exec(int id, struct slow_work *work)
{
#ifdef CONFIG_SLOW_WORK_DEBUG
slow_work_execs[id] = work;
#endif
}
static inline void slow_work_end_exec(int id, struct slow_work *work)
{
#ifdef CONFIG_SLOW_WORK_DEBUG
write_lock(&slow_work_execs_lock);
slow_work_execs[id] = NULL;
write_unlock(&slow_work_execs_lock);
#endif
}