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

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Message-ID: <20200414122716-mutt-send-email-mst@kernel.org>
Date:   Tue, 14 Apr 2020 12:28:35 -0400
From:   "Michael S. Tsirkin" <mst@...hat.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>,
        Sebastien Boeuf <sebastien.boeuf@...el.com>,
        Samuel Ortiz <samuel.ortiz@...el.com>,
        Robert Bradford <robert.bradford@...el.com>,
        Luiz Capitulino <lcapitulino@...hat.com>,
        Pankaj Gupta <pankaj.gupta.linux@...il.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

On Tue, Apr 14, 2020 at 11:15:18AM +0200, David Hildenbrand wrote:
> On 29.03.20 14:42, Michael S. Tsirkin wrote:
> > On Wed, Mar 11, 2020 at 06:14:12PM +0100, David Hildenbrand wrote:
> >> This series is based on latest linux-next. The patches are located at:
> >>     https://github.com/davidhildenbrand/linux.git virtio-mem-v2
> >>
> >> I now have acks for all !virtio-mem changes. I'll be happy to get review
> >> feedback, testing reports, etc. for the virtio-mem changes. If there are
> >> no further comments, I guess this is good to go as a v1 soon.
> > 
> > I'd like to queue it for merge after the release. If you feel it's ready
> > please ping me after the release to help make sure it didn't get
> > dropped.  I see there were some reports about people having trouble
> > using this, pls keep working on this meanwhile.
> 
> Hi Michael,
> 
> I think this is ready to go as a first version. There are a couple of
> future work items related to kexec/kdump:
> - Teach kexec-tools/kexec_file_load() to not place the kexec
>   kernel/initrd onto virtio-mem added memory.
> - Teach kexec-tools/kdump to consider a bigger number of memory
>   resources for dumping.
> 
> In general, as virtio-mem adds a lot of memory resources, we might want
> to tweak performance in that area as well. Future stuff.
> 
> So I suggest queuing this. If you need a resend, please let me know.
> 
> Cheers!

Thanks!
I'll queue it for merge after the release. If possible please ping me
after the release to help make sure it didn't get dropped.




> -- 
> Thanks,
> 
> David / dhildenb