Thread (10 messages) 10 messages, 3 authors, 2015-09-08

Re: [Qemu-devel] [PATCH 19/23] userfaultfd: activate syscall

From: Dr. David Alan Gilbert <hidden>
Date: 2015-09-08 12:28:39
Also in: kvm, linux-api, linux-mm, lkml, qemu-devel

* Michael Ellerman (mpe@ellerman.id.au) wrote:
On Tue, 2015-09-08 at 17:14 +1000, Michael Ellerman wrote:
quoted
On Tue, 2015-09-08 at 12:09 +0530, Bharata B Rao wrote:
quoted
On Tue, Sep 08, 2015 at 04:08:06PM +1000, Michael Ellerman wrote:
quoted
Hmm, not for me. See below.

What setup were you testing on Bharata?
I was on commit a94572f5799dd of userfault21 branch in Andrea's tree
git://git.kernel.org/pub/scm/linux/kernel/git/andrea/aa.git

#uname -a
Linux 4.1.0-rc8+ #1 SMP Tue Aug 11 11:33:50 IST 2015 ppc64le ppc64le ppc64le GNU/Linux

In fact I had successfully done postcopy migration of sPAPR guest with
this setup.
OK, do you mind testing mainline with the same setup to see if the selftest
passes.
Ah, I just tried it on big endian and it works. So it seems to not work on
little endian for some reason, /probably/ a test case bug?
Hmm; I think we're missing a test-case fix that Andrea made me for a bug I hit on Power
I hit a couple of weeks back.  I think that would have been on le.

Dave
cheers
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
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