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-rw-r--r--arch/arm/vfp/vfpmodule.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index 1c88bbdfd34d..f74695075e64 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -78,6 +78,14 @@ static void vfp_thread_exit(struct thread_info *thread)
put_cpu();
}
+static void vfp_thread_copy(struct thread_info *thread)
+{
+ struct thread_info *parent = current_thread_info();
+
+ vfp_sync_hwstate(parent);
+ thread->vfpstate = parent->vfpstate;
+}
+
/*
* When this function is called with the following 'cmd's, the following
* is true while this function is being run:
@@ -148,6 +156,10 @@ static int vfp_notifier(struct notifier_block *self, unsigned long cmd, void *v)
case THREAD_NOTIFY_EXIT:
vfp_thread_exit(thread);
break;
+
+ case THREAD_NOTIFY_COPY:
+ vfp_thread_copy(thread);
+ break;
}
return NOTIFY_DONE;