On Wed, Oct 19, 2016 at 09:25:05AM +0200, Jan Kara wrote:
> On Tue 18-10-16 13:53:32, Ross Zwisler wrote:
> > On Tue, Sep 27, 2016 at 06:08:23PM +0200, Jan Kara wrote:
> > > - void *entry;
> > > + void *entry, **slot;
> > > pgoff_t index = vmf->pgoff;
> > >
> > > spin_lock_irq(&mapping->tree_
On Tue 18-10-16 13:53:32, Ross Zwisler wrote:
> On Tue, Sep 27, 2016 at 06:08:23PM +0200, Jan Kara wrote:
> > - void *entry;
> > + void *entry, **slot;
> > pgoff_t index = vmf->pgoff;
> >
> > spin_lock_irq(&mapping->tree_lock);
> > - entry = get_unlocked_mapping_entry(mapping, index
On Tue, Sep 27, 2016 at 06:08:23PM +0200, Jan Kara wrote:
> Currently PTE gets updated in wp_pfn_shared() after dax_pfn_mkwrite()
> has released corresponding radix tree entry lock. When we want to
> writeprotect PTE on cache flush, we need PTE modification to happen
> under radix tree entry lock t
