diff options
| -rw-r--r-- | arch/powerpc/kernel/signal_64.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index 1ce0ae3f6ffc..b27e26852fdb 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -176,6 +176,13 @@ static long restore_sigcontext(struct pt_regs *regs, sigset_t *set, int sig, */ discard_lazy_cpu_state(); + /* + * Force reload of FP/VEC. + * This has to be done before copying stuff into current->thread.fpr/vr + * for the reasons explained in the previous comment. + */ + regs->msr &= ~(MSR_FP | MSR_FE0 | MSR_FE1 | MSR_VEC); + err |= __copy_from_user(¤t->thread.fpr, &sc->fp_regs, FP_REGS_SIZE); #ifdef CONFIG_ALTIVEC @@ -197,9 +204,6 @@ static long restore_sigcontext(struct pt_regs *regs, sigset_t *set, int sig, current->thread.vrsave = 0; #endif /* CONFIG_ALTIVEC */ - /* Force reload of FP/VEC */ - regs->msr &= ~(MSR_FP | MSR_FE0 | MSR_FE1 | MSR_VEC); - return err; } |