X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=include%2Flinux%2Ffreezer.h;h=5e75e26d4787248caf175063afad75010824672a;hb=bbc7610c062074468f362b37d33603536e87fb96;hp=6e05e3e7ce396560f10d902c311f58c6457cabe0;hpb=9b3a89f8b052f2a6193a9691e053f986144a65a0;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index 6e05e3e7ce3..5e75e26d478 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -1,5 +1,7 @@
 /* Freezer declarations */
 
+#include <linux/sched.h>
+
 #ifdef CONFIG_PM
 /*
  * Check if a process has been frozen
@@ -14,16 +16,15 @@ static inline int frozen(struct task_struct *p)
  */
 static inline int freezing(struct task_struct *p)
 {
-	return p->flags & PF_FREEZE;
+	return test_tsk_thread_flag(p, TIF_FREEZE);
 }
 
 /*
  * Request that a process be frozen
- * FIXME: SMP problem. We may not modify other process' flags!
  */
 static inline void freeze(struct task_struct *p)
 {
-	p->flags |= PF_FREEZE;
+	set_tsk_thread_flag(p, TIF_FREEZE);
 }
 
 /*
@@ -31,7 +32,7 @@ static inline void freeze(struct task_struct *p)
  */
 static inline void do_not_freeze(struct task_struct *p)
 {
-	p->flags &= ~PF_FREEZE;
+	clear_tsk_thread_flag(p, TIF_FREEZE);
 }
 
 /*
@@ -52,7 +53,9 @@ static inline int thaw_process(struct task_struct *p)
  */
 static inline void frozen_process(struct task_struct *p)
 {
-	p->flags = (p->flags & ~PF_FREEZE) | PF_FROZEN;
+	p->flags |= PF_FROZEN;
+	wmb();
+	clear_tsk_thread_flag(p, TIF_FREEZE);
 }
 
 extern void refrigerator(void);