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

[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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