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authorAkira Takeuchi <takeuchi.akr@jp.panasonic.com>2010-10-27 16:28:52 (GMT)
committerDavid Howells <dhowells@redhat.com>2010-10-27 16:28:52 (GMT)
commit278d91c4609d55202c1e63d5fc5f01466cc7bbab (patch)
tree8b0c863837508959430c1741e2e5a2d37d2890d4 /arch/mn10300/proc-mn103e010
parent965ea4bbb9ae926358273368144ba838c561bc38 (diff)
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>
Diffstat (limited to 'arch/mn10300/proc-mn103e010')
-rw-r--r--arch/mn10300/proc-mn103e010/proc-init.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/mn10300/proc-mn103e010/proc-init.c b/arch/mn10300/proc-mn103e010/proc-init.c
index 9a482ef..0cee787 100644
--- a/arch/mn10300/proc-mn103e010/proc-init.c
+++ b/arch/mn10300/proc-mn103e010/proc-init.c
@@ -9,6 +9,7 @@
* 2 of the Licence, or (at your option) any later version.
*/
#include <linux/kernel.h>
+#include <asm/fpu.h>
#include <asm/rtc.h>
/*
@@ -28,6 +29,7 @@ asmlinkage void __init processor_init(void)
__set_intr_stub(EXCEP_DAERROR, dtlb_aerror);
__set_intr_stub(EXCEP_BUSERROR, raw_bus_error);
__set_intr_stub(EXCEP_DOUBLE_FAULT, double_fault);
+ __set_intr_stub(EXCEP_FPU_DISABLED, fpu_disabled);
__set_intr_stub(EXCEP_SYSCALL0, system_call);
__set_intr_stub(EXCEP_NMI, nmi_handler);

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