Re: [PATCH 00/11] KVM: x86: track guest page access

2015-12-05 Thread Xiao Guangrong
Ping... Paolo, any comment? On 12/02/2015 01:00 AM, Xiao Guangrong wrote: On 12/01/2015 06:17 PM, Paolo Bonzini wrote: On 30/11/2015 19:26, Xiao Guangrong wrote: This patchset introduces the feature which allows us to track page access in guest. Currently, only write access tracking

Re: [PATCH 00/11] KVM: x86: track guest page access

2015-12-01 Thread Xiao Guangrong
On 12/01/2015 06:17 PM, Paolo Bonzini wrote: On 30/11/2015 19:26, Xiao Guangrong wrote: This patchset introduces the feature which allows us to track page access in guest. Currently, only write access tracking is implemented in this version. Four APIs are introduces: -

Re: [PATCH 00/11] KVM: x86: track guest page access

2015-12-01 Thread Paolo Bonzini
On 30/11/2015 19:26, Xiao Guangrong wrote: > This patchset introduces the feature which allows us to track page > access in guest. Currently, only write access tracking is implemented > in this version. > > Four APIs are introduces: > - kvm_page_track_add_page(kvm, gfn, mode), single guest page

Re: [PATCH 00/11] KVM: x86: track guest page access

2015-12-01 Thread Andrea Arcangeli
On Tue, Dec 01, 2015 at 11:17:30AM +0100, Paolo Bonzini wrote: > > > On 30/11/2015 19:26, Xiao Guangrong wrote: > > This patchset introduces the feature which allows us to track page > > access in guest. Currently, only write access tracking is implemented > > in this version. > > > > Four APIs

Re: [PATCH 00/11] KVM: x86: track guest page access

2015-12-01 Thread Paolo Bonzini
On 01/12/2015 16:02, Andrea Arcangeli wrote: > > Applying your technique to non-leaf shadow pages actually makes this > > series quite interesting. :) Shadow paging is still in use for nested > > EPT, so it's always a good idea to speed it up. > > I don't have the full picture of how