diff options
Diffstat (limited to 'arch/powerpc/kernel/process.c')
| -rw-r--r-- | arch/powerpc/kernel/process.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index a7e5061187e8..14c09d25de98 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -213,6 +213,16 @@ static int restore_fp(struct task_struct *tsk) { return 0; } #ifdef CONFIG_ALTIVEC #define loadvec(thr) ((thr).load_vec) +static void __giveup_altivec(struct task_struct *tsk) +{ + save_altivec(tsk); + tsk->thread.regs->msr &= ~MSR_VEC; +#ifdef CONFIG_VSX + if (cpu_has_feature(CPU_FTR_VSX)) + tsk->thread.regs->msr &= ~MSR_VSX; +#endif +} + void giveup_altivec(struct task_struct *tsk) { check_if_tm_restore_required(tsk); @@ -472,7 +482,7 @@ void save_all(struct task_struct *tsk) save_fpu(tsk); if (usermsr & MSR_VEC) - __giveup_altivec(tsk); + save_altivec(tsk); if (usermsr & MSR_VSX) __giveup_vsx(tsk); |