diff options
Diffstat (limited to 'arch/powerpc/kernel/process.c')
| -rw-r--r-- | arch/powerpc/kernel/process.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index e2f12cbcade9..a2dd3b1276ff 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -139,12 +139,16 @@ EXPORT_SYMBOL(__msr_check_and_clear); #ifdef CONFIG_PPC_FPU void __giveup_fpu(struct task_struct *tsk) { + unsigned long msr; + save_fpu(tsk); - tsk->thread.regs->msr &= ~MSR_FP; + msr = tsk->thread.regs->msr; + msr &= ~MSR_FP; #ifdef CONFIG_VSX if (cpu_has_feature(CPU_FTR_VSX)) - tsk->thread.regs->msr &= ~MSR_VSX; + msr &= ~MSR_VSX; #endif + tsk->thread.regs->msr = msr; } void giveup_fpu(struct task_struct *tsk) @@ -219,12 +223,16 @@ static int restore_fp(struct task_struct *tsk) { return 0; } static void __giveup_altivec(struct task_struct *tsk) { + unsigned long msr; + save_altivec(tsk); - tsk->thread.regs->msr &= ~MSR_VEC; + msr = tsk->thread.regs->msr; + msr &= ~MSR_VEC; #ifdef CONFIG_VSX if (cpu_has_feature(CPU_FTR_VSX)) - tsk->thread.regs->msr &= ~MSR_VSX; + msr &= ~MSR_VSX; #endif + tsk->thread.regs->msr = msr; } void giveup_altivec(struct task_struct *tsk) |