From: Mike Rapoport <rppt@linux.vnet.ibm.com>
To: Pavel Emelyanov <xemul@virtuozzo.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>,
"Kirill A. Shutemov" <kirill@shutemov.name>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, Mike Rapoport <mike.rapoport@gmail.com>
Subject: Re: [PATCH 0/1] soft_dirty: fix soft_dirty during THP split
Date: Tue, 23 Aug 2016 14:03:26 +0300 [thread overview]
Message-ID: <20160823110325.GD1205@rapoport-lnx> (raw)
In-Reply-To: <57B70F33.9090902@virtuozzo.com>
On Fri, Aug 19, 2016 at 04:52:51PM +0300, Pavel Emelyanov wrote:
> On 08/19/2016 04:43 PM, Andrea Arcangeli wrote:
> > On Fri, Aug 19, 2016 at 04:20:22PM +0300, Pavel Emelyanov wrote:
> >> And (!) after non-cooperative patches are functional too.
> >
> > I merged your non-cooperative patches in my tree although there's no
> > testcase to exercise them yet.
>
> Hm... Are you talking about some in-kernel test, or just any? We have
> tests in CRIU tree for UFFD (not sure we've wired up the non-cooperative
> part though).
Well, CRIU is by definition non-cooperative :)
Still, we don't have fork() and other events in CRIU lazy restore yet.
I have some brute force additions to the selftests/vm/userfaultfd.c that
verify that the events work, and I'm trying now to get a clean version.
BTW, with addition of hugetlbfs and tmpfs support to userfaultfd, we'd need
MADV_REMOVE and fallocate(PUNCH_HOLE) events in addition to
MADV_DONTNEED...
> >
> > Thanks,
> > Andrea
> > .
> >
>
> -- Pavel
>
--
Sincerely yours,
Mike.
--
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prev parent reply other threads:[~2016-08-23 11:03 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-19 12:41 [PATCH 0/1] soft_dirty: fix soft_dirty during THP split Andrea Arcangeli
2016-08-19 12:41 ` [PATCH 1/1] " Andrea Arcangeli
2016-08-19 13:17 ` Pavel Emelyanov
2016-08-19 13:20 ` [PATCH 0/1] " Pavel Emelyanov
2016-08-19 13:43 ` Andrea Arcangeli
2016-08-19 13:52 ` Pavel Emelyanov
2016-08-19 14:37 ` Andrea Arcangeli
2016-08-22 16:35 ` Pavel Emelyanov
2016-08-23 11:03 ` Mike Rapoport [this message]
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