On Thu, Feb 21, 2019 at 01:06:31PM -0500, Jerome Glisse wrote: > On Tue, Feb 12, 2019 at 10:56:21AM +0800, Peter Xu wrote: > > UFFD_EVENT_FORK support for uffd-wp should be already there, except > > that we should clean the uffd-wp bit if uffd fork event is not > > enabled. Detect that to avoid _PAGE_UFFD_WP being set even if the VMA > > is not being tracked by VM_UFFD_WP. Do this for both small PTEs and > > huge PMDs. > > > > Signed-off-by: Peter Xu <peterx@xxxxxxxxxx> > > This patch must be earlier in the serie, before the patch that introduce > the userfaultfd API so that bisect can not end up on version where this > can happen. Yes it should be now? Since the API will be introduced until patch 21/26 ("userfaultfd: wp: add the writeprotect API to userfaultfd ioctl"). > > Otherwise the patch itself is: > > Reviewed-by: Jérôme Glisse <jglisse@xxxxxxxxxx> Unless I found anything I've missed above... I'll temporarily pick this R-b for now then. Thanks, -- Peter Xu