diff options
Diffstat (limited to 'arch/openrisc/kernel/process.c')
| -rw-r--r-- | arch/openrisc/kernel/process.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/openrisc/kernel/process.c b/arch/openrisc/kernel/process.c index 3c27d1c72718..eef99fee2110 100644 --- a/arch/openrisc/kernel/process.c +++ b/arch/openrisc/kernel/process.c @@ -36,6 +36,7 @@ #include <linux/reboot.h> #include <linux/uaccess.h> +#include <asm/fpu.h> #include <asm/io.h> #include <asm/processor.h> #include <asm/spr_defs.h> @@ -244,6 +245,8 @@ struct task_struct *__switch_to(struct task_struct *old, local_irq_save(flags); + save_fpu(current); + /* current_set is an array of saved current pointers * (one for each cpu). we need them at user->kernel transition, * while we save them at kernel->user transition @@ -256,6 +259,8 @@ struct task_struct *__switch_to(struct task_struct *old, current_thread_info_set[smp_processor_id()] = new_ti; last = (_switch(old_ti, new_ti))->task; + restore_fpu(current); + local_irq_restore(flags); return last; |