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Date:   Thu, 11 Apr 2019 13:08:15 -0700
From:   Guenter Roeck <groeck@...gle.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     kernelci@...ups.io, Dan Williams <dan.j.williams@...el.com>,
        Guillaume Tucker <guillaume.tucker@...labora.com>,
        Mike Rapoport <rppt@...ux.ibm.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...e.com>,
        Mark Brown <broonie@...nel.org>,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>,
        Matt Hart <matthew.hart@...aro.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Kevin Hilman <khilman@...libre.com>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Nicholas Piggin <npiggin@...il.com>,
        Dominik Brodowski <linux@...inikbrodowski.net>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Adrian Reber <adrian@...as.de>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Johannes Weiner <hannes@...xchg.org>,
        Linux MM <linux-mm@...ck.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Richard Guy Briggs <rgb@...hat.com>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>, info@...nelci.org
Subject: Re: next/master boot bisection: next-20190215 on beaglebone-black

On Thu, Apr 11, 2019 at 10:35 AM Kees Cook <keescook@...omium.org> wrote:
>
> On Thu, Apr 11, 2019 at 9:42 AM Guenter Roeck <groeck@...gle.com> wrote:
> >
> > On Thu, Apr 11, 2019 at 9:19 AM Kees Cook <keescook@...omium.org> wrote:
> > >
> > > On Thu, Mar 7, 2019 at 7:43 AM Dan Williams <dan.j.williams@...el.com> wrote:
> > > > I went ahead and acquired one of these boards to see if I can can
> > > > debug this locally.
> > >
> > > Hi! Any progress on this? Might it be possible to unblock this series
> > > for v5.2 by adding a temporary "not on ARM" flag?
> > >
> >
> > Can someone send me a pointer to the series in question ? I would like
> > to run it through my testbed.
>
> It's already in -mm and linux-next (",mm: shuffle initial free memory
> to improve memory-side-cache utilization") but it gets enabled with
> CONFIG_SHUFFLE_PAGE_ALLOCATOR=y (which was made the default briefly in
> -mm which triggered problems on ARM as was reverted).
>

Boot tests report

Qemu test results:
    total: 345 pass: 345 fail: 0

This is on top of next-20190410 with CONFIG_SHUFFLE_PAGE_ALLOCATOR=y
and the known crashes fixed.

$ git log --oneline next-20190410..
3367c36ce744 Set SHUFFLE_PAGE_ALLOCATOR=y for testing.
d2aee8b3cd5d Revert "crypto: scompress - Use per-CPU struct instead
multiple variables"
4bc9f5bc9a84 Fix: rhashtable: use bit_spin_locks to protect hash bucket.

Boot tests on arm are:

Building arm:versatilepb:versatile_defconfig:aeabi:pci:scsi:mem128:versatile-pb:rootfs
... running ........ passed
Building arm:versatilepb:versatile_defconfig:aeabi:pci:mem128:versatile-pb:initrd
... running ........ passed
Building arm:versatileab:versatile_defconfig:mem128:versatile-ab:initrd
... running ........ passed
Building arm:imx25-pdk:imx_v4_v5_defconfig:nonand:mem128:imx25-pdk:initrd
... running ........ passed
Building arm:kzm:imx_v6_v7_defconfig:nodrm:mem128:initrd ... running
.......... passed
Building arm:mcimx6ul-evk:imx_v6_v7_defconfig:nodrm:mem256:imx6ul-14x14-evk:initrd
... running .......... passed
Building arm:mcimx6ul-evk:imx_v6_v7_defconfig:nodrm:sd:mem256:imx6ul-14x14-evk:rootfs
... running .......... passed
Building arm:vexpress-a9:multi_v7_defconfig:nolocktests:mem128:vexpress-v2p-ca9:initrd
... running ........ passed
Building arm:vexpress-a9:multi_v7_defconfig:nolocktests:sd:mem128:vexpress-v2p-ca9:rootfs
... running ........ passed
Building arm:vexpress-a9:multi_v7_defconfig:nolocktests:virtio-blk:mem128:vexpress-v2p-ca9:rootfs
... running ........ passed
Building arm:vexpress-a15:multi_v7_defconfig:nolocktests:sd:mem128:vexpress-v2p-ca15-tc1:rootfs
... running ........ passed
Building arm:vexpress-a15-a7:multi_v7_defconfig:nolocktests:sd:mem256:vexpress-v2p-ca15_a7:rootfs
... running ........ passed
Building arm:beagle:multi_v7_defconfig:sd:mem256:omap3-beagle:rootfs
... running ............ passed
Building arm:beaglexm:multi_v7_defconfig:sd:mem512:omap3-beagle-xm:rootfs
... running ........... passed
Building arm:overo:multi_v7_defconfig:sd:mem256:omap3-overo-tobi:rootfs
... running ........... passed
Building arm:midway:multi_v7_defconfig:mem2G:ecx-2000:initrd ...
running .......... passed
Building arm:sabrelite:multi_v7_defconfig:mem256:imx6dl-sabrelite:initrd
... running ............ passed
Building arm:mcimx7d-sabre:multi_v7_defconfig:mem256:imx7d-sdb:initrd
... running .......... passed
Building arm:xilinx-zynq-a9:multi_v7_defconfig:mem128:zynq-zc702:initrd
... running ............ passed
Building arm:xilinx-zynq-a9:multi_v7_defconfig:sd:mem128:zynq-zc702:rootfs
... running ............ passed
Building arm:xilinx-zynq-a9:multi_v7_defconfig:sd:mem128:zynq-zc706:rootfs
... running ............ passed
Building arm:xilinx-zynq-a9:multi_v7_defconfig:sd:mem128:zynq-zed:rootfs
... running ........... passed
Building arm:cubieboard:multi_v7_defconfig:mem128:sun4i-a10-cubieboard:initrd
... running ........... passed
Building arm:raspi2:multi_v7_defconfig:bcm2836-rpi-2-b:initrd ...
running .......... passed
Building arm:raspi2:multi_v7_defconfig:sd:bcm2836-rpi-2-b:rootfs ...
running .......... passed
Building arm:virt:multi_v7_defconfig:virtio-blk:mem512:rootfs ...
running ......... passed
Building arm:smdkc210:exynos_defconfig:cpuidle:nocrypto:mem128:exynos4210-smdkv310:initrd
... running ......... passed
Building arm:realview-pb-a8:realview_defconfig:realview_pb:mem512:arm-realview-pba8:initrd
... running ........ passed
Building arm:realview-pbx-a9:realview_defconfig:realview_pb:arm-realview-pbx-a9:initrd
... running ........ passed
Building arm:realview-eb:realview_defconfig:realview_eb:mem512:arm-realview-eb:initrd
... running ........ passed
Building arm:realview-eb-mpcore:realview_defconfig:realview_eb:mem512:arm-realview-eb-11mp-ctrevb:initrd
... running ......... passed
Building arm:akita:pxa_defconfig:nofdt:nodebug:notests:novirt:nousb:noscsi:initrd
... running ..... passed
Building arm:borzoi:pxa_defconfig:nofdt:nodebug:notests:novirt:nousb:noscsi:initrd
... running ..... passed
Building arm:mainstone:pxa_defconfig:nofdt:nodebug:notests:novirt:nousb:noscsi:initrd
... running ..... passed
Building arm:spitz:pxa_defconfig:nofdt:nodebug:notests:novirt:nousb:noscsi:initrd
... running ..... passed
Building arm:terrier:pxa_defconfig:nofdt:nodebug:notests:novirt:nousb:noscsi:initrd
... running ..... passed
Building arm:tosa:pxa_defconfig:nofdt:nodebug:notests:novirt:nousb:noscsi:initrd
... running ..... passed
Building arm:z2:pxa_defconfig:nofdt:nodebug:notests:novirt:nousb:noscsi:initrd
... running ..... passed
Building arm:collie:collie_defconfig:aeabi:notests:initrd ... running
..... passed
Building arm:integratorcp:integrator_defconfig:mem128:integratorcp:initrd
... running ....... passed
Building arm:palmetto-bmc:aspeed_g4_defconfig:aspeed-bmc-opp-palmetto:initrd
... running ................. passed
Building arm:witherspoon-bmc:aspeed_g5_defconfig:notests:aspeed-bmc-opp-witherspoon:initrd
... running ........... passed
Building arm:ast2500-evb:aspeed_g5_defconfig:notests:aspeed-ast2500-evb:initrd
... running ................ passed
Building arm:romulus-bmc:aspeed_g5_defconfig:notests:aspeed-bmc-opp-romulus:initrd
... running ......................... passed
Building arm:mps2-an385:mps2_defconfig:mps2-an385:initrd ... running
...... passed

Guenter

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