diff options
Diffstat (limited to 'arch/mips/kernel/process.c')
-rw-r--r-- | arch/mips/kernel/process.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index d4f7fd4550e1..6829a064aac8 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c | |||
@@ -737,10 +737,9 @@ static long prepare_for_fp_mode_switch(void *unused) | |||
737 | /* | 737 | /* |
738 | * This is icky, but we use this to simply ensure that all CPUs have | 738 | * This is icky, but we use this to simply ensure that all CPUs have |
739 | * context switched, regardless of whether they were previously running | 739 | * context switched, regardless of whether they were previously running |
740 | * kernel or user code. This ensures that no CPU currently has its FPU | 740 | * kernel or user code. This ensures that no CPU that a mode-switching |
741 | * enabled, or is about to attempt to enable it through any path other | 741 | * program may execute on keeps its FPU enabled (& in the old mode) |
742 | * than enable_restore_fp_context() which will wait appropriately for | 742 | * throughout the mode switch. |
743 | * fp_mode_switching to be zero. | ||
744 | */ | 743 | */ |
745 | return 0; | 744 | return 0; |
746 | } | 745 | } |
@@ -829,8 +828,6 @@ int mips_set_process_fp_mode(struct task_struct *task, unsigned int value) | |||
829 | work_on_cpu(cpu, prepare_for_fp_mode_switch, NULL); | 828 | work_on_cpu(cpu, prepare_for_fp_mode_switch, NULL); |
830 | put_online_cpus(); | 829 | put_online_cpus(); |
831 | 830 | ||
832 | wake_up_var(&task->mm->context.fp_mode_switching); | ||
833 | |||
834 | return 0; | 831 | return 0; |
835 | } | 832 | } |
836 | 833 | ||