MN10300: Make the FPU operate in non-lazy mode under SMP

Make the FPU operate in non-lazy mode under SMP so that when the process that
is currently using the FPU migrates to a different CPU, we don't have to ping
its previous CPU to flush the FPU context.

Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com>
Signed-off-by: Kiyoshi Owada <owada.kiyoshi@jp.panasonic.com>
Signed-off-by: David Howells <dhowells@redhat.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/arch/mn10300/kernel/traps.c b/arch/mn10300/kernel/traps.c
index c7257a1304a9..716a221df2f9 100644
--- a/arch/mn10300/kernel/traps.c
+++ b/arch/mn10300/kernel/traps.c
@@ -101,7 +101,6 @@ DO_EINFO(SIGILL,  {}, "invalid opcode",		invalid_op,	ILL_ILLOPC);
 DO_EINFO(SIGILL,  {}, "invalid ex opcode",      invalid_exop,   ILL_ILLOPC);
 DO_EINFO(SIGBUS,  {}, "invalid address",        mem_error,      BUS_ADRERR);
 DO_EINFO(SIGBUS,  {}, "bus error",              bus_error,      BUS_ADRERR);
-DO_EINFO(SIGILL,  {}, "FPU invalid opcode",     fpu_invalid_op, ILL_COPROC);
 
 DO_ERROR(SIGTRAP,
 #ifndef CONFIG_MN10300_USING_JTAG
@@ -561,7 +560,6 @@ void __init trap_init(void)
         set_excp_vector(EXCEP_PRIVINSACC,       insn_acc_error);
         set_excp_vector(EXCEP_PRIVDATACC,       data_acc_error);
         set_excp_vector(EXCEP_DATINSACC,        insn_acc_error);
-        set_excp_vector(EXCEP_FPU_DISABLED,     fpu_disabled);
         set_excp_vector(EXCEP_FPU_UNIMPINS,     fpu_invalid_op);
         set_excp_vector(EXCEP_FPU_OPERATION,    fpu_exception);