linux-kernel - Re: [PATCH v2 00/10] virtio-mem: paravirtualized memory

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAM9Jb+jbVciBwHBj09w4+sXbJ_dRwiXwe2DPUsx0P1fRsdAi0w@mail.gmail.com>
Date:   Sun, 29 Mar 2020 17:41:14 +0200
From:   Pankaj Gupta <pankaj.gupta.linux@...il.com>
To:     David Hildenbrand <david@...hat.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        virtio-dev@...ts.oasis-open.org,
        virtualization@...ts.linux-foundation.org, kvm@...r.kernel.org,
        Michal Hocko <mhocko@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "Michael S . Tsirkin" <mst@...hat.com>,
        Sebastien Boeuf <sebastien.boeuf@...el.com>,
        Samuel Ortiz <samuel.ortiz@...el.com>,
        Robert Bradford <robert.bradford@...el.com>,
        Luiz Capitulino <lcapitulino@...hat.com>,
        teawater <teawaterz@...ux.alibaba.com>,
        Igor Mammedov <imammedo@...hat.com>,
        "Dr . David Alan Gilbert" <dgilbert@...hat.com>,
        Alexander Duyck <alexander.h.duyck@...ux.intel.com>,
        Alexander Potapenko <glider@...gle.com>,
        Anshuman Khandual <anshuman.khandual@....com>,
        Anthony Yznaga <anthony.yznaga@...cle.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Dave Young <dyoung@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Juergen Gross <jgross@...e.com>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        Len Brown <lenb@...nel.org>,
        Mel Gorman <mgorman@...hsingularity.net>,
        Michal Hocko <mhocko@...e.com>,
        Mike Rapoport <rppt@...ux.ibm.com>,
        Oscar Salvador <osalvador@...e.com>,
        Oscar Salvador <osalvador@...e.de>,
        Pavel Tatashin <pasha.tatashin@...een.com>,
        Pavel Tatashin <pavel.tatashin@...rosoft.com>,
        Pingfan Liu <kernelfans@...il.com>, Qian Cai <cai@....pw>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Stefan Hajnoczi <stefanha@...hat.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Wei Yang <richard.weiyang@...il.com>
Subject: Re: [PATCH v2 00/10] virtio-mem: paravirtualized memory

> > Hi David,
> >
> > Trying to test the series with the Qemu branch(virtio-mem) mentioned.
> > Unfortunately,
> > not able to hotplug memory. Is anything changed from your previous posting
> > or I am doing something wrong?
> >
> > After giving value to "requested-size", I see size as zero.
> >
> > (qemu) qom-set vm0 requested-size 10G
> > (qemu) info memory-devices
> > Memory device [virtio-mem]: "vm0"
> >   memaddr: 0x240000000
> >   node: 0
> >   requested-size: 10737418240
> >   size: 0
> >   max-size: 107374182400
> >   block-size: 2097152
> >   memdev: /objects/mem0
> >
> > Guest kernel: 5.6.0-rc4
> > Using same Qemu commandline arguments mentioned in cover-letter.
>
> Are you booting from an initrd? Are you compiling virtio-mem as a kernel
> module or into the kernel binary?
Ah was booting into wrong kernel version. Sorry! for the noise.

Working perfectly for me. Tried various cmbinations for both
hotplug/unplug with multiple
NUMA nodes and verified result in guest.

For the series, you can add:
Tested-by: Pankaj Gupta <pankaj.gupta.linux@...il.com>


>
> --
> Thanks,
>
> David / dhildenb
>