ARM: 6867/1: Introduce THREAD_NOTIFY_COPY for copy_thread() hooks

[pandora-kernel.git] / arch / arm / vfp / vfpmodule.c

diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index bbf3da0..1c88bbd 100644 (file)
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -104,12 +104,17 @@ static void vfp_thread_exit(struct thread_info *thread)
 static int vfp_notifier(struct notifier_block *self, unsigned long cmd, void *v)
 {
        struct thread_info *thread = v;
+       u32 fpexc;
+#ifdef CONFIG_SMP
+       unsigned int cpu;
+#endif
 
-       if (likely(cmd == THREAD_NOTIFY_SWITCH)) {
-               u32 fpexc = fmrx(FPEXC);
+       switch (cmd) {
+       case THREAD_NOTIFY_SWITCH:
+               fpexc = fmrx(FPEXC);
 
 #ifdef CONFIG_SMP
-               unsigned int cpu = thread->cpu;
+               cpu = thread->cpu;
 
                /*
                 * On SMP, if VFP is enabled, save the old state in
@@ -134,13 +139,16 @@ static int vfp_notifier(struct notifier_block *self, unsigned long cmd, void *v)
                 * old state.
                 */
                fmxr(FPEXC, fpexc & ~FPEXC_EN);
-               return NOTIFY_DONE;
-       }
+               break;
 
-       if (cmd == THREAD_NOTIFY_FLUSH)
+       case THREAD_NOTIFY_FLUSH:
                vfp_thread_flush(thread);
-       else
+               break;
+
+       case THREAD_NOTIFY_EXIT:
                vfp_thread_exit(thread);
+               break;
+       }
 
        return NOTIFY_DONE;
 }