lkml.org 
[lkml]   [2014]   [Apr]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Developer wanted: AMD64 port of Jailhouse hypervisor
Il giorno mercoledì 23 aprile 2014 10:43:40 UTC+2, J. Kiszka ha scritto:
> On 2014-04-23 08:21, Carlo Vitucci wrote:
>
> > Il giorno lunedì 14 aprile 2014 20:27:16 UTC+2, J. Kiszka ha scritto:
>
> >> Hi all,
>
> >>
>
> >>
>
> >>
>
> >> so far the Linux-based Jailhouse hypervisor [1] is only available for
>
> >>
>
> >> Intel x86 CPUs. I'm now very happy to announce that AMD is offering to
>
> >>
>
> >> sponsor the initial port of Jailhouse to the AMD64 architecture. Our
>
> >>
>
> >> resources here are unfortunately bound to different tasks, but if anyone
>
> >>
>
> >> out there with the required skills is interested in working on this
>
> >>
>
> >> project, just reply to this email or contact me and Mazda directly.
>
> >>
>
> >>
>
> >>
>
> >> The work to be done is manageable: we basically need corresponding
>
> >>
>
> >> implementations of vmx.c and vtd.c in the current Jailhouse code base -
>
> >>
>
> >> provided our existing abstractions were done right. Someone familiar
>
> >>
>
> >> with virtualization on x86 in general and, ideally, even on AMD
>
> >>
>
> >> processors should be able to complete this task within a couple of weeks.
>
> >>
>
> >>
>
> >>
>
> >> For more details on the Jailhouse architecture and implementations, see
>
> >>
>
> >> our slowly growing Documentation folder in the source tree or simply ask
>
> >>
>
> >> on the mailing list.
>
> >>
>
> >>
>
> >>
>
> >> Jan
>
> >>
>
> >>
>
> >>
>
> >> [1] https://github.com/siemens/jailhouse
>
> >>
>
> >>
>
> >>
>
> >> --
>
> >>
>
> >> Siemens AG, Corporate Technology, CT RTC ITP SES-DE
>
> >>
>
> >> Corporate Competence Center Embedded Linux
>
> >
>
> > Hello jailhouse,
>
> > just a thought, if I could. AMD64 is not officially delivered and one
>
> > of the most important new features, that is the direct interrupt delivery,
>
> > is without a final specification. in other words, ARMv8 is the only suitable
>
> > architecture for Jailhouse porting, but there is still a bit fog around.
>
>
>
> I'm not sure if I got your point yet: AMD64 stands for the
>
> well-established x86-64 architecture with AMD-specific parts like the
>
> virtualization extensions. All these transistors and specs are broadly
>
> available for years.
>
>
>
> Regarding direct interrupt delivery: on Intel, we do not depend on
>
> specific hardware support to provide this feature, and I bet we can port
>
> that approach to AMD as well.
>
>
>
> Jan
>
>
>
> --
>
> Siemens AG, Corporate Technology, CT RTC ITP SES-DE
>
> Corporate Competence Center Embedded Linux

Sorry Jan,
my misyake. I was referring to ARMv8 architecture, but I wrote AMD64 at the beginning instead of ARM64... sorry for the confusion!
BR/
Carlo
\
 
 \ /
  Last update: 2014-04-23 11:41    [W:2.010 / U:0.028 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site