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 e477c9d..57c589c 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) * mode (asyn, precise, disabled) for 'Classic' FP. */ if (val & PR_FP_EXC_SW_ENABLE) { #ifdef CONFIG_SPE - tsk->thread.fpexc_mode = val & - (PR_FP_EXC_SW_ENABLE | PR_FP_ALL_EXCEPT); - return 0; + if (cpu_has_feature(CPU_FTR_SPE)) { + tsk->thread.fpexc_mode = val & + (PR_FP_EXC_SW_ENABLE | PR_FP_ALL_EXCEPT); + return 0; + } else { + return -EINVAL; + } #else return -EINVAL; #endif @@ -697,7 +701,10 @@ int get_fpexc_mode(struct task_struct *tsk, unsigned long adr) if (tsk->thread.fpexc_mode & PR_FP_EXC_SW_ENABLE) #ifdef CONFIG_SPE - val = tsk->thread.fpexc_mode; + if (cpu_has_feature(CPU_FTR_SPE)) + val = tsk->thread.fpexc_mode; + else + return -EINVAL; #else return -EINVAL; #endif |