Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1509028

RE: [RESEND PATCH v3 kernel 0/7] Extend virtio-balloon for fast (de)inflating & fast live migration

Show all headers | View raw

> > On 10/20/2016 11:24 PM, Liang Li wrote:
> > > Dave Hansen suggested a new scheme to encode the data structure,
> > > because of additional complexity, it's not implemented in v3.
> >
> > So, what do you want done with this patch set?  Do you want it applied
> > as-is so that we can introduce a new host/guest ABI that we must
> > support until the end of time?  Then, we go back in a year or two and
> > add the newer format that addresses the deficiencies that this ABI has with
> a third version?
> >
> 
> Hi Dave & Michael,
> 
> I am working on Dave's new bitmap schema, I have finished the part of
> getting the 'hybrid scheme bitmap'
> and found the complexity was more than I expected.  The main issue is more
> memory is required to  save the 'hybrid scheme bitmap' beside that used to
> save the raw page bitmap, for the worst case, the memory required is 3
> times than that in the previous implementation.
> 

3 times memory required is not accurate, please ignore this. sorry ...
The complexity is the point. 

> I am wondering if I should continue, as an alternative solution, how about
> using PFNs array when inflating/deflating only a few pages? Things will be
> much more simple.
> 
> 
> Thanks!
> Liang
> 
> 
> 
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org
> For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[RESEND PATCH v3 kernel 0/7] Extend virtio-balloon for fast (de)inflating & fast live migration Liang Li <liang.z.li@intel.com> - 2016-10-21 08:40 +0200
  [RESEND PATCH v3 kernel 4/7] virtio-balloon: speed up inflate/deflate process Liang Li <liang.z.li@intel.com> - 2016-10-21 08:40 +0200
    Re: [RESEND PATCH v3 kernel 4/7] virtio-balloon: speed up  inflate/deflate process "Michael S. Tsirkin" <mst@redhat.com> - 2016-10-25 08:40 +0200
      RE: [RESEND PATCH v3 kernel 4/7] virtio-balloon: speed up  inflate/deflate process "Li, Liang Z" <liang.z.li@intel.com> - 2016-10-25 11:50 +0200
  [RESEND PATCH v3 kernel 2/7] virtio-balloon: define new feature bit and page bitmap head Liang Li <liang.z.li@intel.com> - 2016-10-21 08:40 +0200
    Re: [RESEND PATCH v3 kernel 2/7] virtio-balloon: define new feature  bit and page bitmap head Dave Hansen <dave.hansen@intel.com> - 2016-10-24 19:00 +0200
      RE: [RESEND PATCH v3 kernel 2/7] virtio-balloon: define new feature  bit and page bitmap head "Li, Liang Z" <liang.z.li@intel.com> - 2016-10-25 03:30 +0200
    Re: [RESEND PATCH v3 kernel 2/7] virtio-balloon: define new feature  bit and page bitmap head "Michael S. Tsirkin" <mst@redhat.com> - 2016-10-26 17:50 +0200
  [RESEND PATCH v3 kernel 1/7] virtio-balloon: rework deflate to add page to a list Liang Li <liang.z.li@intel.com> - 2016-10-21 08:40 +0200
    Re: [RESEND PATCH v3 kernel 1/7] virtio-balloon: rework deflate to  add page to a list Dave Hansen <dave.hansen@intel.com> - 2016-10-24 18:50 +0200
      RE: [RESEND PATCH v3 kernel 1/7] virtio-balloon: rework deflate to  add page to a list "Li, Liang Z" <liang.z.li@intel.com> - 2016-10-25 03:20 +0200
  Re: [RESEND PATCH v3 kernel 0/7] Extend virtio-balloon for fast  (de)inflating & fast live migration Dave Hansen <dave.hansen@intel.com> - 2016-10-21 19:30 +0200
    Re: [RESEND PATCH v3 kernel 0/7] Extend virtio-balloon for fast  (de)inflating & fast live migration "Michael S. Tsirkin" <mst@redhat.com> - 2016-10-21 21:50 +0200
      RE: [RESEND PATCH v3 kernel 0/7] Extend virtio-balloon for fast  (de)inflating & fast live migration "Li, Liang Z" <liang.z.li@intel.com> - 2016-10-23 13:30 +0200
        Re: [RESEND PATCH v3 kernel 0/7] Extend virtio-balloon for fast  (de)inflating & fast live migration "Michael S. Tsirkin" <mst@redhat.com> - 2016-10-25 06:00 +0200
    RE: [RESEND PATCH v3 kernel 0/7] Extend virtio-balloon for fast  (de)inflating & fast live migration "Li, Liang Z" <liang.z.li@intel.com> - 2016-10-26 12:10 +0200
      RE: [RESEND PATCH v3 kernel 0/7] Extend virtio-balloon for fast  (de)inflating & fast live migration "Li, Liang Z" <liang.z.li@intel.com> - 2016-10-26 12:20 +0200
        Re: [RESEND PATCH v3 kernel 0/7] Extend virtio-balloon for fast  (de)inflating & fast live migration Dave Hansen <dave.hansen@intel.com> - 2016-10-26 20:20 +0200
          RE: [RESEND PATCH v3 kernel 0/7] Extend virtio-balloon for fast  (de)inflating & fast live migration "Li, Liang Z" <liang.z.li@intel.com> - 2016-10-27 02:40 +0200
      Re: [RESEND PATCH v3 kernel 0/7] Extend virtio-balloon for fast  (de)inflating & fast live migration Dave Hansen <dave.hansen@intel.com> - 2016-10-26 20:20 +0200
        RE: [RESEND PATCH v3 kernel 0/7] Extend virtio-balloon for fast  (de)inflating & fast live migration "Li, Liang Z" <liang.z.li@intel.com> - 2016-10-27 03:00 +0200

csiph-web