From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [103.22.144.67]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id E75661A0163 for ; Tue, 8 Sep 2015 20:40:22 +1000 (AEST) Message-ID: <1441708821.13127.0.camel@ellerman.id.au> Subject: Re: [Qemu-devel] [PATCH 19/23] userfaultfd: activate syscall From: Michael Ellerman To: bharata@linux.vnet.ibm.com Cc: kvm@vger.kernel.org, qemu-devel@nongnu.org, Sanidhya Kashyap , linux-mm@kvack.org, Andrea Arcangeli , zhang.zhanghailiang@huawei.com, Pavel Emelyanov , Hugh Dickins , Mel Gorman , "Huangpeng (Peter)" , "Dr. David Alan Gilbert" , Andres Lagar-Cavilla , "Kirill A. Shutemov" , Dave Hansen , linux-api@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Andy Lutomirski , Johannes Weiner , Paolo Bonzini , Andrew Morton , Linus Torvalds , Peter Feiner Date: Tue, 08 Sep 2015 20:40:21 +1000 In-Reply-To: <1441696463.4689.1.camel@ellerman.id.au> References: <1431624680-20153-1-git-send-email-aarcange@redhat.com> <1431624680-20153-20-git-send-email-aarcange@redhat.com> <20150811100728.GB4587@in.ibm.com> <20150811134826.GI4520@redhat.com> <20150812052346.GC4587@in.ibm.com> <1441692486.14597.17.camel@ellerman.id.au> <20150908063948.GB678@in.ibm.com> <1441696463.4689.1.camel@ellerman.id.au> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, 2015-09-08 at 17:14 +1000, Michael Ellerman wrote: > On Tue, 2015-09-08 at 12:09 +0530, Bharata B Rao wrote: > > On Tue, Sep 08, 2015 at 04:08:06PM +1000, Michael Ellerman wrote: > > > 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? cheers