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Date:   Thu, 11 Apr 2019 23:49:46 +0300
From:   Mike Rapoport <rppt@...ux.ibm.com>
To:     Guenter Roeck <groeck@...gle.com>
Cc:     Kees Cook <keescook@...omium.org>, kernelci@...ups.io,
        Dan Williams <dan.j.williams@...el.com>,
        Guillaume Tucker <guillaume.tucker@...labora.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 01:08:15PM -0700, Guenter Roeck wrote:
> 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: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

The issue was with an omap2 board and, AFAIK, qemu does not simulate those.

-- 
Sincerely yours,
Mike.

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