diff options
Diffstat (limited to 'arch/powerpc/kernel/process.c')
| -rw-r--r-- | arch/powerpc/kernel/process.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index e477c9d0498b..57c589c34147 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c | |||
| @@ -669,9 +669,13 @@ int set_fpexc_mode(struct task_struct *tsk, unsigned int val) | |||
| 669 | * mode (asyn, precise, disabled) for 'Classic' FP. */ | 669 | * mode (asyn, precise, disabled) for 'Classic' FP. */ |
| 670 | if (val & PR_FP_EXC_SW_ENABLE) { | 670 | if (val & PR_FP_EXC_SW_ENABLE) { |
| 671 | #ifdef CONFIG_SPE | 671 | #ifdef CONFIG_SPE |
| 672 | tsk->thread.fpexc_mode = val & | 672 | if (cpu_has_feature(CPU_FTR_SPE)) { |
| 673 | (PR_FP_EXC_SW_ENABLE | PR_FP_ALL_EXCEPT); | 673 | tsk->thread.fpexc_mode = val & |
| 674 | return 0; | 674 | (PR_FP_EXC_SW_ENABLE | PR_FP_ALL_EXCEPT); |
| 675 | return 0; | ||
| 676 | } else { | ||
| 677 | return -EINVAL; | ||
| 678 | } | ||
| 675 | #else | 679 | #else |
| 676 | return -EINVAL; | 680 | return -EINVAL; |
| 677 | #endif | 681 | #endif |
| @@ -697,7 +701,10 @@ int get_fpexc_mode(struct task_struct *tsk, unsigned long adr) | |||
| 697 | 701 | ||
| 698 | if (tsk->thread.fpexc_mode & PR_FP_EXC_SW_ENABLE) | 702 | if (tsk->thread.fpexc_mode & PR_FP_EXC_SW_ENABLE) |
| 699 | #ifdef CONFIG_SPE | 703 | #ifdef CONFIG_SPE |
| 700 | val = tsk->thread.fpexc_mode; | 704 | if (cpu_has_feature(CPU_FTR_SPE)) |
| 705 | val = tsk->thread.fpexc_mode; | ||
| 706 | else | ||
| 707 | return -EINVAL; | ||
| 701 | #else | 708 | #else |
| 702 | return -EINVAL; | 709 | return -EINVAL; |
| 703 | #endif | 710 | #endif |