to_user_ptr 925 arch/powerpc/kernel/signal_32.c || __put_user(to_user_ptr(&rt_sf->uc.uc_mcontext), to_user_ptr 1118 arch/powerpc/kernel/signal_32.c || __put_user(to_user_ptr(mctx), &old_ctx->uc_regs)) to_user_ptr 1384 arch/powerpc/kernel/signal_32.c if (__put_user(to_user_ptr(ksig->ka.sa.sa_handler), &sc->handler) to_user_ptr 1391 arch/powerpc/kernel/signal_32.c || __put_user(to_user_ptr(&frame->mctx), &sc->regs)