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| author | Akira Takeuchi <takeuchi.akr@jp.panasonic.com> | 2010-10-27 17:28:52 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2010-10-27 17:28:52 +0100 |
| commit | 278d91c4609d55202c1e63d5fc5f01466cc7bbab (patch) | |
| tree | 8b0c863837508959430c1741e2e5a2d37d2890d4 /arch/mn10300/proc-mn103e010 | |
| parent | 965ea4bbb9ae926358273368144ba838c561bc38 (diff) | |
| download | op-kernel-dev-278d91c4609d55202c1e63d5fc5f01466cc7bbab.zip op-kernel-dev-278d91c4609d55202c1e63d5fc5f01466cc7bbab.tar.gz | |
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.c | 2 |
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); |
