A few cleanups to the FPU code on amd64:

- fpudna() always returned 1 since amd64 CPUs always have FPUs.  Change
  the function to return void and adjust the calling code in trap() to
  assume the return 1 case is the only case.
- Remove fpu_cleanstate_ready as it is always true when it is tested.
  Also, only initialize fpu_cleanstate when fpuinit() is called on the BSP.

Reviewed by:	bde

1 files changed, 1 insertions, 1 deletions

diff --git a/sys/amd64/include/fpu.h b/sys/amd64/include/fpu.h
index 9b99fd8..272f94a 100644
--- a/sys/amd64/include/fpu.h
+++ b/sys/amd64/include/fpu.h
@@ -97,7 +97,7 @@ struct  savefpu {
 #define	__INITIAL_MXCSR_MASK__	0xFFBF
 
 #ifdef _KERNEL
-int	fpudna(void);
+void	fpudna(void);
 void	fpudrop(void);
 void	fpuexit(struct thread *td);
 int	fpuformat(void);