On Mon, Dec 11, 2017 at 02:11:55PM -0800, David Rientjes wrote:
> --- a/drivers/misc/sgi-gru/grutlbpurge.c
> +++ b/drivers/misc/sgi-gru/grutlbpurge.c
> @@ -298,6 +298,7 @@ struct gru_mm_struct *gru_register_mmu_notifier(void)
> return ERR_PTR(-ENOMEM);
> STAT(gms_alloc);
> spin_lock_init(&gms->ms_asid_lock);
> + gms->ms_notifier.flags = 0;
> gms->ms_notifier.ops = &gru_mmuops;
> atomic_set(&gms->ms_refcnt, 1);
> init_waitqueue_head(&gms->ms_wait_queue);
> diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
There is a kzalloc() just above this:
gms = kzalloc(sizeof(*gms), GFP_KERNEL);
Is that not sufficient to clear the 'flags' field?
