ia64/linux-2.6.18-xen.hg

view kernel/rtmutex-debug.h @ 798:b02a90bf5bbc

ACPI: Backport missing part for T-State MSR support

Part of below kernel commit was missed while packporting T-State
support.

commit f79f06ab9f86d7203006d2ec8992ac80df36a34e
Author: Zhao Yakui <yakui.zhao@intel.com>
Date: Thu Nov 15 17:06:36 2007 +0800

ACPI: Enable MSR (FixedHW) support for T-States

Add throttling control via MSR when T-states uses
the FixHW Control Status registers.

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Li Shaohua <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

Signed-off-by: Wei Gang <gang.wei@intel.com>
author Keir Fraser <keir.fraser@citrix.com>
date Mon Mar 02 10:53:59 2009 +0000 (2009-03-02)
parents 831230e53067
children
line source
1 /*
2 * RT-Mutexes: blocking mutual exclusion locks with PI support
3 *
4 * started by Ingo Molnar and Thomas Gleixner:
5 *
6 * Copyright (C) 2004-2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
7 * Copyright (C) 2006, Timesys Corp., Thomas Gleixner <tglx@timesys.com>
8 *
9 * This file contains macros used solely by rtmutex.c. Debug version.
10 */
12 extern void
13 rt_mutex_deadlock_account_lock(struct rt_mutex *lock, struct task_struct *task);
14 extern void rt_mutex_deadlock_account_unlock(struct task_struct *task);
15 extern void debug_rt_mutex_init_waiter(struct rt_mutex_waiter *waiter);
16 extern void debug_rt_mutex_free_waiter(struct rt_mutex_waiter *waiter);
17 extern void debug_rt_mutex_init(struct rt_mutex *lock, const char *name);
18 extern void debug_rt_mutex_lock(struct rt_mutex *lock);
19 extern void debug_rt_mutex_unlock(struct rt_mutex *lock);
20 extern void debug_rt_mutex_proxy_lock(struct rt_mutex *lock,
21 struct task_struct *powner);
22 extern void debug_rt_mutex_proxy_unlock(struct rt_mutex *lock);
23 extern void debug_rt_mutex_deadlock(int detect, struct rt_mutex_waiter *waiter,
24 struct rt_mutex *lock);
25 extern void debug_rt_mutex_print_deadlock(struct rt_mutex_waiter *waiter);
26 # define debug_rt_mutex_reset_waiter(w) \
27 do { (w)->deadlock_lock = NULL; } while (0)
29 static inline int debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter *waiter,
30 int detect)
31 {
32 return (waiter != NULL);
33 }