Re: [Xen-devel] [GSoC]about the task "Share a page in memory from the VM config file"

[Zhongze Liu <blackskygg@xxxxxxxxx>]

Hi Stefano,

What do you say if we extend this project into "sharing multiple
ranges of memory area among VMs from the config file".

Cheers.

Zhongze Liu

2017-03-30 9:07 GMT+08:00 Zhongze Liu <blackskygg@xxxxxxxxx>:
> Hi Stefano,
>
> Thanks for reminding me of the deadline and providing me with more information
> on this project.
>
> I did setup the arm model and doing well with it. But after that, I
> encountered some
> private issues that I have to handle first, so I failed to get back to
> you immediately.
> Sorry for that.
>
> I would finish the proposal ASAP and start discussing the
> implementation details with
> you and Julien.
>
> Thanks again.
>
> Cheers.
>
> Zhongze Liu
>
> 2017-03-29 8:15 GMT+08:00 Stefano Stabellini <sstabellini@xxxxxxxxxx>:
>> On Tue, 28 Mar 2017, Stefano Stabellini wrote:
>>> Hello Zhongze,
>>>
>>> did you manage to make any progress with the ARM model?
>>>
>>> Finally, I would like to remind you of the upcoming deadline for
>>> applications submissions, which is the 3rd of April for GSoC and the
>>> 30th of March for Outreachy, see:
>>>
>>> http://marc.info/?l=xen-devel&m=149071502330534
>>>
>>> Please give a look at the Xen Project application template here:
>>>
>>> https://wiki.xenproject.org/wiki/GSoC_Student_Application_Template
>>>
>>> It also includes an "Implementation Plan", where you have the chance to
>>> explain the implementation plan for the projects you would like to apply
>>> for.
>>
>> FYI I added more info on this project here:
>>
>> http://marc.info/?l=xen-devel&m=149074641908123
>>
>>
>>> Thanks,
>>>
>>> Stefano
>>>
>>>
>>> On Wed, 22 Mar 2017, Stefano Stabellini wrote:
>>> > On Thu, 23 Mar 2017, Zhongze Liu wrote:
>>> > > Back to the GSoC task.
>>> > > Do I need to meet any special hardware requirements to complete the 
>>> > > task?
>>> >
>>> > No special hardware requirements, what you have below is more than
>>> > enough. However, if you have some spare time, it would be helpful for
>>> > you to setup an ARM build and test environment too, because it would be
>>> > nice if you could make this project work on ARM as well. In fact, this
>>> > work is mostly meant to help users in embedded scenarios, which are
>>> > mostly ARM based. You could go very far in this project with only the
>>> > x86 hardware you have, but you'll need ARM for the last bit.
>>> >
>>> > First you need a cross-compiler, you can download the latest from
>>> > linaro:
>>> >
>>> > https://releases.linaro.org/components/toolchain/binaries/latest/armv8l-linux-gnueabihf/gcc-linaro-6.3.1-2017.02-x86_64_armv8l-linux-gnueabihf.tar.xz
>>> >
>>> > You can download a free ARMv8 emulator from here:
>>> >
>>> > https://developer.arm.com/products/system-design/fixed-virtual-platforms
>>> >
>>> > choose "ARMv8-A Foundation Platform for Linux". Then follow these
>>> > instructions:
>>> >
>>> > http://marc.info/?l=xen-devel&m=149021352631609
>>> >
>>> > Please read the following emails in the thread too which tells you how
>>> > to build Xen and Linux for ARM. We are still solving some issues but the
>>> > steps so far are also on the wiki, see "Firmware & boot-wrapper" ->
>>> > arm64 and "Foundation Model":
>>> >
>>> > https://wiki.xen.org/wiki/Xen_ARM_with_Virtualization_Extensions/FastModels
>>> >
>>> >
>>> > > Currently I have 12G RAM and 128G SSD + 1T HDD.
>>> > > The output of "lscpu" on my test machine is as follows:
>>> > >
>>> > >    Architecture:          x86_64
>>> > >    CPU op-mode(s):        32-bit, 64-bit
>>> > >    Byte Order:            Little Endian
>>> > >    CPU(s):                4
>>> > >    On-line CPU(s) list:   0-3
>>> > >    Thread(s) per core:    1
>>> > >    Core(s) per socket:    4
>>> > >    Socket(s):             1
>>> > >    NUMA node(s):          1
>>> > >    Vendor ID:             GenuineIntel
>>> > >    CPU family:            6
>>> > >    Model:                 94
>>> > >    Model name:            Intel(R) Core(TM) i5-6300HQ CPU @ 2.30GHz
>>> > >    Stepping:              3
>>> > >    CPU MHz:               800.030
>>> > >    CPU max MHz:           3200.0000
>>> > >    CPU min MHz:           800.0000
>>> > >    BogoMIPS:              4609.00
>>> > >    Virtualization:        VT-x
>>> > >    L1d cache:             32K
>>> > >    L1i cache:             32K
>>> > >    L2 cache:              256K
>>> > >    L3 cache:              6144K
>>> > >    NUMA node0 CPU(s):     0-3
>>> > >    Flags:                 fpu vme de pse tsc msr pae mce cx8 apic sep
>>> > > mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht
>>> > > tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs
>>> > > bts rep_good nopl xtopology nonstop_tsc aperfmperf tsc_known_freq pni
>>> > > pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 sdbg fma cx16 xtpr
>>> > > pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes
>>> > > xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb intel_pt
>>> > > tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle
>>> > > avx2 smep bmi2 erms invpcid rtm mpx rdseed adx smap clflushopt
>>> > > xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify
>>> > > hwp_act_window hwp_epp
>>> > >
>>> > > Cheers.
>>> > >
>>> > > Zhongze Liu.
>>> > >
>>> >
>>>

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