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Diffstat (limited to 'arch/arm/kernel/process.c')
-rw-r--r--arch/arm/kernel/process.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 17c38dbf2f3..e1c77ee885a 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -33,6 +33,7 @@
#include <asm/leds.h>
#include <asm/processor.h>
#include <asm/system.h>
+#include <asm/thread_notify.h>
#include <asm/uaccess.h>
#include <asm/mach/time.h>
@@ -338,13 +339,9 @@ void exit_thread(void)
{
}
-static void default_fp_init(union fp_state *fp)
-{
- memset(fp, 0, sizeof(union fp_state));
-}
+ATOMIC_NOTIFIER_HEAD(thread_notify_head);
-void (*fp_init)(union fp_state *) = default_fp_init;
-EXPORT_SYMBOL(fp_init);
+EXPORT_SYMBOL_GPL(thread_notify_head);
void flush_thread(void)
{
@@ -353,22 +350,21 @@ void flush_thread(void)
memset(thread->used_cp, 0, sizeof(thread->used_cp));
memset(&tsk->thread.debug, 0, sizeof(struct debug_info));
+ memset(&thread->fpstate, 0, sizeof(union fp_state));
+
+ thread_notify(THREAD_NOTIFY_FLUSH, thread);
#if defined(CONFIG_IWMMXT)
iwmmxt_task_release(thread);
#endif
- fp_init(&thread->fpstate);
-#if defined(CONFIG_VFP)
- vfp_flush_thread(&thread->vfpstate);
-#endif
}
void release_thread(struct task_struct *dead_task)
{
-#if defined(CONFIG_VFP)
- vfp_release_thread(&task_thread_info(dead_task)->vfpstate);
-#endif
+ struct thread_info *thread = task_thread_info(dead_task);
+
+ thread_notify(THREAD_NOTIFY_RELEASE, thread);
#if defined(CONFIG_IWMMXT)
- iwmmxt_task_release(task_thread_info(dead_task));
+ iwmmxt_task_release(thread);
#endif
}