Displaying 2 results from an estimated 2 matches for "release_driver_page_table_lock".
2019 Aug 15
0
[PATCH 04/15] mm: remove the pgmap field from struct hmm_vma_walk
...ulate_vaddr_range(start, end) {
hmm_range_register(range, start, end)
again:
ret = hmm_range_fault(start, end)
if (ret < 0)
return ret;
take_driver_page_table_lock();
if (range.valid) {
populate_device_page_table();
release_driver_page_table_lock();
} else {
release_driver_page_table_lock();
goto again;
}
}
The mmu notifier callback do use the same page table lock and we
also have the range tracking going on. So either we populate
device page table before racing with teardown in which case the
de...
2019 Aug 15
3
[PATCH 04/15] mm: remove the pgmap field from struct hmm_vma_walk
On Thu, Aug 15, 2019 at 12:44 PM Jerome Glisse <jglisse at redhat.com> wrote:
>
> On Thu, Aug 15, 2019 at 12:36:58PM -0700, Dan Williams wrote:
> > On Thu, Aug 15, 2019 at 11:07 AM Jerome Glisse <jglisse at redhat.com> wrote:
> > >
> > > On Wed, Aug 14, 2019 at 07:48:28AM -0700, Dan Williams wrote:
> > > > On Wed, Aug 14, 2019 at 6:28 AM Jason