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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)
78 put_cpu(); 78 put_cpu();
79} 79}
80 80
81static void vfp_thread_copy(struct thread_info *thread)
82{
83 struct thread_info *parent = current_thread_info();
84
85 vfp_sync_hwstate(parent);
86 thread->vfpstate = parent->vfpstate;
87}
88
81/* 89/*
82 * When this function is called with the following 'cmd's, the following 90 * When this function is called with the following 'cmd's, the following
83 * is true while this function is being run: 91 * 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)
148 case THREAD_NOTIFY_EXIT: 156 case THREAD_NOTIFY_EXIT:
149 vfp_thread_exit(thread); 157 vfp_thread_exit(thread);
150 break; 158 break;
159
160 case THREAD_NOTIFY_COPY:
161 vfp_thread_copy(thread);
162 break;
151 } 163 }
152 164
153 return NOTIFY_DONE; 165 return NOTIFY_DONE;